/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_operatoramount_amount100_file-59.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 21:04:30,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 21:04:30,474 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 21:04:30,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 21:04:30,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 21:04:30,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 21:04:30,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 21:04:30,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 21:04:30,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 21:04:30,521 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 21:04:30,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 21:04:30,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 21:04:30,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 21:04:30,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 21:04:30,524 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 21:04:30,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 21:04:30,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 21:04:30,525 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 21:04:30,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 21:04:30,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 21:04:30,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 21:04:30,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 21:04:30,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 21:04:30,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 21:04:30,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 21:04:30,527 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 21:04:30,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 21:04:30,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 21:04:30,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 21:04:30,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 21:04:30,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 21:04:30,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 21:04:30,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:04:30,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 21:04:30,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 21:04:30,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 21:04:30,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 21:04:30,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 21:04:30,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 21:04:30,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 21:04:30,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 21:04:30,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 21:04:30,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 21:04:30,530 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 21:04:30,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 21:04:30,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 21:04:30,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 21:04:30,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 21:04:30,773 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 21:04:30,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-59.i [2023-12-15 21:04:31,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 21:04:32,129 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 21:04:32,130 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-59.i [2023-12-15 21:04:32,138 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cf7e7581/95ae82dc63f04ef492cb99af2f1699f5/FLAG090b86695 [2023-12-15 21:04:32,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cf7e7581/95ae82dc63f04ef492cb99af2f1699f5 [2023-12-15 21:04:32,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 21:04:32,152 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 21:04:32,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 21:04:32,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 21:04:32,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 21:04:32,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb7491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32, skipping insertion in model container [2023-12-15 21:04:32,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 21:04:32,319 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_operatoramount_amount100_file-59.i[916,929] [2023-12-15 21:04:32,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:04:32,418 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 21:04:32,428 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_operatoramount_amount100_file-59.i[916,929] [2023-12-15 21:04:32,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:04:32,496 INFO L206 MainTranslator]: Completed translation [2023-12-15 21:04:32,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32 WrapperNode [2023-12-15 21:04:32,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 21:04:32,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 21:04:32,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 21:04:32,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 21:04:32,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,593 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 269 [2023-12-15 21:04:32,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 21:04:32,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 21:04:32,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 21:04:32,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 21:04:32,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,610 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,631 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 21:04:32,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 21:04:32,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 21:04:32,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 21:04:32,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 21:04:32,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (1/1) ... [2023-12-15 21:04:32,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:04:32,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:32,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 21:04:32,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 21:04:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 21:04:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 21:04:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 21:04:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 21:04:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 21:04:32,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 21:04:32,849 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 21:04:32,852 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 21:04:33,338 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 21:04:33,366 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 21:04:33,366 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 21:04:33,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:04:33 BoogieIcfgContainer [2023-12-15 21:04:33,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 21:04:33,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 21:04:33,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 21:04:33,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 21:04:33,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:04:32" (1/3) ... [2023-12-15 21:04:33,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f9a75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:04:33, skipping insertion in model container [2023-12-15 21:04:33,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:04:32" (2/3) ... [2023-12-15 21:04:33,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f9a75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:04:33, skipping insertion in model container [2023-12-15 21:04:33,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:04:33" (3/3) ... [2023-12-15 21:04:33,374 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-59.i [2023-12-15 21:04:33,389 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 21:04:33,390 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 21:04:33,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 21:04:33,450 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;@4db440fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 21:04:33,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 21:04:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 72 states have (on average 1.625) internal successors, (117), 73 states have internal predecessors, (117), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-15 21:04:33,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:33,475 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:33,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:33,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:33,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1124648012, now seen corresponding path program 1 times [2023-12-15 21:04:33,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:33,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384939142] [2023-12-15 21:04:33,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:33,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:33,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:33,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384939142] [2023-12-15 21:04:33,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 21:04:33,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660166685] [2023-12-15 21:04:33,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:33,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:33,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:33,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:04:33,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 21:04:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:33,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 21:04:33,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-12-15 21:04:34,033 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:04:34,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660166685] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:04:34,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:04:34,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 21:04:34,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888518304] [2023-12-15 21:04:34,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:04:34,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 21:04:34,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:34,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 21:04:34,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:04:34,080 INFO L87 Difference]: Start difference. First operand has 96 states, 72 states have (on average 1.625) internal successors, (117), 73 states have internal predecessors, (117), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-15 21:04:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:34,112 INFO L93 Difference]: Finished difference Result 189 states and 337 transitions. [2023-12-15 21:04:34,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 21:04:34,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 144 [2023-12-15 21:04:34,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:34,122 INFO L225 Difference]: With dead ends: 189 [2023-12-15 21:04:34,122 INFO L226 Difference]: Without dead ends: 94 [2023-12-15 21:04:34,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:04:34,128 INFO L413 NwaCegarLoop]: 150 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, 150 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 [2023-12-15 21:04:34,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:04:34,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-15 21:04:34,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-15 21:04:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 71 states have internal predecessors, (111), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 153 transitions. [2023-12-15 21:04:34,193 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 153 transitions. Word has length 144 [2023-12-15 21:04:34,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:34,193 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 153 transitions. [2023-12-15 21:04:34,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-15 21:04:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 153 transitions. [2023-12-15 21:04:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-15 21:04:34,197 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:34,197 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:34,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:34,398 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 [2023-12-15 21:04:34,398 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:34,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:34,399 INFO L85 PathProgramCache]: Analyzing trace with hash 239591086, now seen corresponding path program 1 times [2023-12-15 21:04:34,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:34,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211097440] [2023-12-15 21:04:34,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:34,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:34,459 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:34,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60306569] [2023-12-15 21:04:34,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:34,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:34,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:34,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:04:34,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 21:04:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:34,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 21:04:34,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 21:04:34,676 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:04:34,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:34,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211097440] [2023-12-15 21:04:34,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:34,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60306569] [2023-12-15 21:04:34,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60306569] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:04:34,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:04:34,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:04:34,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676350520] [2023-12-15 21:04:34,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:04:34,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:04:34,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:34,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:04:34,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:04:34,680 INFO L87 Difference]: Start difference. First operand 94 states and 153 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:34,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:34,721 INFO L93 Difference]: Finished difference Result 187 states and 305 transitions. [2023-12-15 21:04:34,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:04:34,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 144 [2023-12-15 21:04:34,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:34,727 INFO L225 Difference]: With dead ends: 187 [2023-12-15 21:04:34,727 INFO L226 Difference]: Without dead ends: 94 [2023-12-15 21:04:34,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:04:34,729 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 39 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:34,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 253 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:04:34,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-15 21:04:34,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-15 21:04:34,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 71 states have (on average 1.5492957746478873) internal successors, (110), 71 states have internal predecessors, (110), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:34,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 152 transitions. [2023-12-15 21:04:34,744 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 152 transitions. Word has length 144 [2023-12-15 21:04:34,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:34,746 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 152 transitions. [2023-12-15 21:04:34,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 152 transitions. [2023-12-15 21:04:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-15 21:04:34,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:34,749 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:34,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:34,955 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 [2023-12-15 21:04:34,955 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:34,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:34,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1692206003, now seen corresponding path program 1 times [2023-12-15 21:04:34,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:34,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911086981] [2023-12-15 21:04:34,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:34,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:35,017 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:35,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [513010531] [2023-12-15 21:04:35,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:35,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:35,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:35,019 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) [2023-12-15 21:04:35,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 21:04:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:35,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 21:04:35,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 21:04:35,194 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:04:35,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:35,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911086981] [2023-12-15 21:04:35,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:35,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513010531] [2023-12-15 21:04:35,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513010531] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:04:35,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:04:35,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:04:35,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532692350] [2023-12-15 21:04:35,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:04:35,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:04:35,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:35,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:04:35,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:04:35,199 INFO L87 Difference]: Start difference. First operand 94 states and 152 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:35,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:35,296 INFO L93 Difference]: Finished difference Result 277 states and 448 transitions. [2023-12-15 21:04:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:04:35,297 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 145 [2023-12-15 21:04:35,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:35,303 INFO L225 Difference]: With dead ends: 277 [2023-12-15 21:04:35,304 INFO L226 Difference]: Without dead ends: 184 [2023-12-15 21:04:35,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:04:35,308 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 140 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:35,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 320 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:04:35,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-15 21:04:35,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2023-12-15 21:04:35,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 137 states have (on average 1.4963503649635037) internal successors, (205), 137 states have internal predecessors, (205), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-15 21:04:35,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 289 transitions. [2023-12-15 21:04:35,338 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 289 transitions. Word has length 145 [2023-12-15 21:04:35,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:35,339 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 289 transitions. [2023-12-15 21:04:35,339 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:35,339 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 289 transitions. [2023-12-15 21:04:35,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-15 21:04:35,341 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:35,341 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:35,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:35,546 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 [2023-12-15 21:04:35,547 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:35,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:35,548 INFO L85 PathProgramCache]: Analyzing trace with hash 988952434, now seen corresponding path program 1 times [2023-12-15 21:04:35,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:35,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537410877] [2023-12-15 21:04:35,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:35,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:35,604 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:35,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1207318153] [2023-12-15 21:04:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:35,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:35,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:35,606 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) [2023-12-15 21:04:35,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 21:04:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:35,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 21:04:35,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 21:04:35,786 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:04:35,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:35,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537410877] [2023-12-15 21:04:35,787 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:35,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207318153] [2023-12-15 21:04:35,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207318153] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:04:35,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:04:35,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:04:35,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970272183] [2023-12-15 21:04:35,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:04:35,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:04:35,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:35,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:04:35,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:04:35,791 INFO L87 Difference]: Start difference. First operand 182 states and 289 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:35,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:35,833 INFO L93 Difference]: Finished difference Result 369 states and 585 transitions. [2023-12-15 21:04:35,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 21:04:35,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 146 [2023-12-15 21:04:35,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:35,837 INFO L225 Difference]: With dead ends: 369 [2023-12-15 21:04:35,837 INFO L226 Difference]: Without dead ends: 188 [2023-12-15 21:04:35,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:04:35,842 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 1 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:35,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 430 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:04:35,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-15 21:04:35,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2023-12-15 21:04:35,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 141 states have (on average 1.4822695035460993) internal successors, (209), 141 states have internal predecessors, (209), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-15 21:04:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 293 transitions. [2023-12-15 21:04:35,866 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 293 transitions. Word has length 146 [2023-12-15 21:04:35,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:35,866 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 293 transitions. [2023-12-15 21:04:35,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 293 transitions. [2023-12-15 21:04:35,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-15 21:04:35,872 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:35,872 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:35,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:36,078 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 [2023-12-15 21:04:36,079 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:36,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:36,079 INFO L85 PathProgramCache]: Analyzing trace with hash 179605808, now seen corresponding path program 1 times [2023-12-15 21:04:36,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:36,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81055681] [2023-12-15 21:04:36,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:36,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:36,120 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:36,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578670175] [2023-12-15 21:04:36,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:36,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:36,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:36,127 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) [2023-12-15 21:04:36,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 21:04:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:36,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 21:04:36,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-15 21:04:36,324 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:04:36,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:36,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81055681] [2023-12-15 21:04:36,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:36,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578670175] [2023-12-15 21:04:36,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578670175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:04:36,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:04:36,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 21:04:36,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386172640] [2023-12-15 21:04:36,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:04:36,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 21:04:36,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:36,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 21:04:36,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:04:36,330 INFO L87 Difference]: Start difference. First operand 186 states and 293 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:36,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:36,551 INFO L93 Difference]: Finished difference Result 293 states and 453 transitions. [2023-12-15 21:04:36,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-15 21:04:36,552 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 146 [2023-12-15 21:04:36,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:36,554 INFO L225 Difference]: With dead ends: 293 [2023-12-15 21:04:36,554 INFO L226 Difference]: Without dead ends: 108 [2023-12-15 21:04:36,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-15 21:04:36,555 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 208 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:36,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 280 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:04:36,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-12-15 21:04:36,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 99. [2023-12-15 21:04:36,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 75 states have internal predecessors, (106), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 148 transitions. [2023-12-15 21:04:36,571 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 148 transitions. Word has length 146 [2023-12-15 21:04:36,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:36,572 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 148 transitions. [2023-12-15 21:04:36,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2023-12-15 21:04:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-15 21:04:36,574 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:36,574 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:36,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:36,780 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 [2023-12-15 21:04:36,781 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:36,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:36,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1920893457, now seen corresponding path program 1 times [2023-12-15 21:04:36,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:36,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561520734] [2023-12-15 21:04:36,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:36,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:36,813 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:36,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463352588] [2023-12-15 21:04:36,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:36,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:36,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:36,823 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) [2023-12-15 21:04:36,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 21:04:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:36,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-15 21:04:36,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-15 21:04:37,137 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:04:37,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:37,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561520734] [2023-12-15 21:04:37,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:37,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463352588] [2023-12-15 21:04:37,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463352588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:04:37,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:04:37,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-15 21:04:37,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245945278] [2023-12-15 21:04:37,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:04:37,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 21:04:37,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:37,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 21:04:37,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-15 21:04:37,139 INFO L87 Difference]: Start difference. First operand 99 states and 148 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:37,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:37,590 INFO L93 Difference]: Finished difference Result 223 states and 333 transitions. [2023-12-15 21:04:37,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 21:04:37,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 146 [2023-12-15 21:04:37,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:37,592 INFO L225 Difference]: With dead ends: 223 [2023-12-15 21:04:37,592 INFO L226 Difference]: Without dead ends: 125 [2023-12-15 21:04:37,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2023-12-15 21:04:37,593 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 323 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:37,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 384 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 21:04:37,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-12-15 21:04:37,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 114. [2023-12-15 21:04:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 167 transitions. [2023-12-15 21:04:37,603 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 167 transitions. Word has length 146 [2023-12-15 21:04:37,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:37,603 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 167 transitions. [2023-12-15 21:04:37,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 167 transitions. [2023-12-15 21:04:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-15 21:04:37,605 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:37,605 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:37,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:37,811 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 [2023-12-15 21:04:37,812 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:37,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:37,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1103245007, now seen corresponding path program 1 times [2023-12-15 21:04:37,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:37,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819327643] [2023-12-15 21:04:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:37,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:37,844 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:37,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2118832931] [2023-12-15 21:04:37,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:37,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:37,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:37,845 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) [2023-12-15 21:04:37,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 21:04:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:38,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-15 21:04:38,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-12-15 21:04:38,528 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:04:38,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:38,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819327643] [2023-12-15 21:04:38,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:38,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118832931] [2023-12-15 21:04:38,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118832931] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 21:04:38,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:04:38,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-12-15 21:04:38,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313331369] [2023-12-15 21:04:38,869 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-15 21:04:38,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 21:04:38,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:38,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 21:04:38,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-15 21:04:38,871 INFO L87 Difference]: Start difference. First operand 114 states and 167 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-15 21:04:39,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:39,372 INFO L93 Difference]: Finished difference Result 301 states and 432 transitions. [2023-12-15 21:04:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 21:04:39,372 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 146 [2023-12-15 21:04:39,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:39,373 INFO L225 Difference]: With dead ends: 301 [2023-12-15 21:04:39,374 INFO L226 Difference]: Without dead ends: 184 [2023-12-15 21:04:39,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2023-12-15 21:04:39,375 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 198 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:39,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 466 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 21:04:39,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-15 21:04:39,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 169. [2023-12-15 21:04:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 143 states have (on average 1.3636363636363635) internal successors, (195), 143 states have internal predecessors, (195), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:39,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 237 transitions. [2023-12-15 21:04:39,385 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 237 transitions. Word has length 146 [2023-12-15 21:04:39,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:39,385 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 237 transitions. [2023-12-15 21:04:39,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-15 21:04:39,386 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2023-12-15 21:04:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-15 21:04:39,387 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:39,387 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:39,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:39,594 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 [2023-12-15 21:04:39,594 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:39,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:39,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1268494255, now seen corresponding path program 1 times [2023-12-15 21:04:39,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:39,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974750008] [2023-12-15 21:04:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:39,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:39,616 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:39,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1725027997] [2023-12-15 21:04:39,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:39,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:39,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:39,618 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) [2023-12-15 21:04:39,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-15 21:04:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:39,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 21:04:39,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 21:04:39,836 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:04:39,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:39,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974750008] [2023-12-15 21:04:39,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:39,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725027997] [2023-12-15 21:04:39,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725027997] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:04:39,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:04:39,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:04:39,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016100642] [2023-12-15 21:04:39,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:04:39,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:04:39,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:39,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:04:39,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:04:39,838 INFO L87 Difference]: Start difference. First operand 169 states and 237 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:39,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:39,988 INFO L93 Difference]: Finished difference Result 346 states and 484 transitions. [2023-12-15 21:04:39,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 21:04:39,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 146 [2023-12-15 21:04:39,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:39,990 INFO L225 Difference]: With dead ends: 346 [2023-12-15 21:04:39,990 INFO L226 Difference]: Without dead ends: 178 [2023-12-15 21:04:39,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:04:39,991 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 83 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:39,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 320 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:04:39,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-15 21:04:40,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 169. [2023-12-15 21:04:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 143 states have (on average 1.3566433566433567) internal successors, (194), 143 states have internal predecessors, (194), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 236 transitions. [2023-12-15 21:04:40,002 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 236 transitions. Word has length 146 [2023-12-15 21:04:40,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:40,002 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 236 transitions. [2023-12-15 21:04:40,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 236 transitions. [2023-12-15 21:04:40,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-15 21:04:40,004 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:40,004 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:40,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:40,216 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 [2023-12-15 21:04:40,216 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:40,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:40,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1287772906, now seen corresponding path program 1 times [2023-12-15 21:04:40,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:40,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798888643] [2023-12-15 21:04:40,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:40,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:40,239 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:40,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789296460] [2023-12-15 21:04:40,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:40,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:40,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:40,241 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) [2023-12-15 21:04:40,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-15 21:04:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:40,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-15 21:04:40,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 88 proven. 204 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-12-15 21:04:41,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:04:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 21:04:42,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:42,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798888643] [2023-12-15 21:04:42,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:42,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789296460] [2023-12-15 21:04:42,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789296460] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 21:04:42,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:04:42,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 19 [2023-12-15 21:04:42,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486485290] [2023-12-15 21:04:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:04:42,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 21:04:42,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 21:04:42,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-12-15 21:04:42,170 INFO L87 Difference]: Start difference. First operand 169 states and 236 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:42,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:42,340 INFO L93 Difference]: Finished difference Result 338 states and 472 transitions. [2023-12-15 21:04:42,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 21:04:42,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 148 [2023-12-15 21:04:42,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:42,342 INFO L225 Difference]: With dead ends: 338 [2023-12-15 21:04:42,343 INFO L226 Difference]: Without dead ends: 170 [2023-12-15 21:04:42,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2023-12-15 21:04:42,344 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 136 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:42,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 328 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:04:42,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-12-15 21:04:42,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 169. [2023-12-15 21:04:42,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 143 states have (on average 1.3496503496503496) internal successors, (193), 143 states have internal predecessors, (193), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 235 transitions. [2023-12-15 21:04:42,355 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 235 transitions. Word has length 148 [2023-12-15 21:04:42,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:42,355 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 235 transitions. [2023-12-15 21:04:42,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:42,355 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 235 transitions. [2023-12-15 21:04:42,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-15 21:04:42,357 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:42,357 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:42,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:42,563 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 [2023-12-15 21:04:42,563 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:42,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:42,563 INFO L85 PathProgramCache]: Analyzing trace with hash -452721941, now seen corresponding path program 1 times [2023-12-15 21:04:42,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:42,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401141784] [2023-12-15 21:04:42,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:42,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:42,581 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:42,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2048002225] [2023-12-15 21:04:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:42,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:42,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:42,582 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) [2023-12-15 21:04:42,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-15 21:04:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:42,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 21:04:42,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 21:04:42,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:04:42,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:42,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401141784] [2023-12-15 21:04:42,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:42,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048002225] [2023-12-15 21:04:42,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048002225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:04:42,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:04:42,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:04:42,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992606097] [2023-12-15 21:04:42,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:04:42,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:04:42,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:42,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:04:42,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:04:42,767 INFO L87 Difference]: Start difference. First operand 169 states and 235 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:42,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:42,880 INFO L93 Difference]: Finished difference Result 417 states and 579 transitions. [2023-12-15 21:04:42,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:04:42,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 151 [2023-12-15 21:04:42,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:42,885 INFO L225 Difference]: With dead ends: 417 [2023-12-15 21:04:42,885 INFO L226 Difference]: Without dead ends: 249 [2023-12-15 21:04:42,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:04:42,887 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 104 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:42,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 206 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:04:42,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-12-15 21:04:42,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 183. [2023-12-15 21:04:42,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 157 states have (on average 1.3312101910828025) internal successors, (209), 157 states have internal predecessors, (209), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 251 transitions. [2023-12-15 21:04:42,902 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 251 transitions. Word has length 151 [2023-12-15 21:04:42,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:42,902 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 251 transitions. [2023-12-15 21:04:42,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 251 transitions. [2023-12-15 21:04:42,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-15 21:04:42,904 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:42,905 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:42,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:43,113 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 [2023-12-15 21:04:43,114 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:43,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:43,114 INFO L85 PathProgramCache]: Analyzing trace with hash 227336429, now seen corresponding path program 1 times [2023-12-15 21:04:43,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:43,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415416412] [2023-12-15 21:04:43,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:43,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:43,132 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:43,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893236924] [2023-12-15 21:04:43,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:43,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:43,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:43,134 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:04:43,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-15 21:04:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:43,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-15 21:04:43,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-12-15 21:04:43,667 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:04:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 111 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2023-12-15 21:04:43,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:43,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415416412] [2023-12-15 21:04:43,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:43,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893236924] [2023-12-15 21:04:43,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893236924] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 21:04:43,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 21:04:43,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2023-12-15 21:04:43,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701048970] [2023-12-15 21:04:43,943 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 21:04:43,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-15 21:04:43,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:43,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-15 21:04:43,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2023-12-15 21:04:43,945 INFO L87 Difference]: Start difference. First operand 183 states and 251 transitions. Second operand has 18 states, 18 states have (on average 4.611111111111111) internal successors, (83), 18 states have internal predecessors, (83), 5 states have call successors, (41), 3 states have call predecessors, (41), 7 states have return successors, (42), 4 states have call predecessors, (42), 5 states have call successors, (42) [2023-12-15 21:04:44,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:44,548 INFO L93 Difference]: Finished difference Result 387 states and 527 transitions. [2023-12-15 21:04:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-15 21:04:44,549 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.611111111111111) internal successors, (83), 18 states have internal predecessors, (83), 5 states have call successors, (41), 3 states have call predecessors, (41), 7 states have return successors, (42), 4 states have call predecessors, (42), 5 states have call successors, (42) Word has length 151 [2023-12-15 21:04:44,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:44,550 INFO L225 Difference]: With dead ends: 387 [2023-12-15 21:04:44,550 INFO L226 Difference]: Without dead ends: 205 [2023-12-15 21:04:44,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756 [2023-12-15 21:04:44,551 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 858 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:44,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 505 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 21:04:44,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-12-15 21:04:44,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 152. [2023-12-15 21:04:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 126 states have (on average 1.2936507936507937) internal successors, (163), 126 states have internal predecessors, (163), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 205 transitions. [2023-12-15 21:04:44,562 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 205 transitions. Word has length 151 [2023-12-15 21:04:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:44,562 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 205 transitions. [2023-12-15 21:04:44,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.611111111111111) internal successors, (83), 18 states have internal predecessors, (83), 5 states have call successors, (41), 3 states have call predecessors, (41), 7 states have return successors, (42), 4 states have call predecessors, (42), 5 states have call successors, (42) [2023-12-15 21:04:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 205 transitions. [2023-12-15 21:04:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-15 21:04:44,564 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:44,564 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:44,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:44,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-15 21:04:44,771 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:44,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:44,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1456796172, now seen corresponding path program 1 times [2023-12-15 21:04:44,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:44,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603723345] [2023-12-15 21:04:44,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:44,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:44,789 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:44,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1883759348] [2023-12-15 21:04:44,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:44,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:44,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:44,791 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:04:44,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-15 21:04:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:45,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-15 21:04:45,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:04:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 533 proven. 198 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-12-15 21:04:51,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:04:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 21:04:55,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:04:55,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603723345] [2023-12-15 21:04:55,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:04:55,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883759348] [2023-12-15 21:04:55,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883759348] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 21:04:55,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:04:55,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [35] total 45 [2023-12-15 21:04:55,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274671467] [2023-12-15 21:04:55,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:04:55,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-15 21:04:55,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:04:55,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-15 21:04:55,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=1596, Unknown=0, NotChecked=0, Total=1980 [2023-12-15 21:04:55,634 INFO L87 Difference]: Start difference. First operand 152 states and 205 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:58,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:04:58,523 INFO L93 Difference]: Finished difference Result 575 states and 774 transitions. [2023-12-15 21:04:58,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-15 21:04:58,524 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 153 [2023-12-15 21:04:58,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:04:58,526 INFO L225 Difference]: With dead ends: 575 [2023-12-15 21:04:58,526 INFO L226 Difference]: Without dead ends: 424 [2023-12-15 21:04:58,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1241 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2023-12-15 21:04:58,528 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 604 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:58,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 422 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 21:04:58,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-12-15 21:04:58,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 220. [2023-12-15 21:04:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 194 states have (on average 1.309278350515464) internal successors, (254), 194 states have internal predecessors, (254), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:04:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 296 transitions. [2023-12-15 21:04:58,541 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 296 transitions. Word has length 153 [2023-12-15 21:04:58,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:04:58,542 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 296 transitions. [2023-12-15 21:04:58,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:04:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 296 transitions. [2023-12-15 21:04:58,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-15 21:04:58,543 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:04:58,543 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:04:58,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:58,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-15 21:04:58,750 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:04:58,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:04:58,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1249823222, now seen corresponding path program 1 times [2023-12-15 21:04:58,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:04:58,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094661813] [2023-12-15 21:04:58,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:58,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:04:58,770 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:04:58,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520583536] [2023-12-15 21:04:58,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:04:58,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:04:58,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:04:58,772 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:04:58,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-15 21:04:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:04:58,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-15 21:04:58,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:05:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 21:05:00,600 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:05:00,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:05:00,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094661813] [2023-12-15 21:05:00,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:05:00,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520583536] [2023-12-15 21:05:00,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520583536] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:05:00,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:05:00,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 21:05:00,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346516450] [2023-12-15 21:05:00,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:05:00,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 21:05:00,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:05:00,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 21:05:00,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-15 21:05:00,602 INFO L87 Difference]: Start difference. First operand 220 states and 296 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:05:01,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:05:01,499 INFO L93 Difference]: Finished difference Result 563 states and 758 transitions. [2023-12-15 21:05:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-15 21:05:01,500 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 153 [2023-12-15 21:05:01,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:05:01,502 INFO L225 Difference]: With dead ends: 563 [2023-12-15 21:05:01,502 INFO L226 Difference]: Without dead ends: 344 [2023-12-15 21:05:01,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2023-12-15 21:05:01,503 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 411 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 21:05:01,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 460 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 21:05:01,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-12-15 21:05:01,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 224. [2023-12-15 21:05:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 198 states have (on average 1.3131313131313131) internal successors, (260), 198 states have internal predecessors, (260), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:05:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 302 transitions. [2023-12-15 21:05:01,516 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 302 transitions. Word has length 153 [2023-12-15 21:05:01,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:05:01,525 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 302 transitions. [2023-12-15 21:05:01,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:05:01,525 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 302 transitions. [2023-12-15 21:05:01,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-15 21:05:01,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:05:01,527 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:05:01,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-15 21:05:01,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-15 21:05:01,735 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:05:01,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:05:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash -70592778, now seen corresponding path program 1 times [2023-12-15 21:05:01,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:05:01,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562519966] [2023-12-15 21:05:01,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:05:01,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:05:01,768 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:05:01,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130488938] [2023-12-15 21:05:01,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:05:01,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:05:01,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:05:01,781 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:05:01,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-15 21:05:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:05:01,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-15 21:05:01,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:05:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 136 proven. 159 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2023-12-15 21:05:02,405 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:05:02,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:05:02,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562519966] [2023-12-15 21:05:02,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:05:02,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130488938] [2023-12-15 21:05:02,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130488938] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 21:05:02,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:05:02,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-12-15 21:05:02,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620143675] [2023-12-15 21:05:02,684 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-15 21:05:02,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-15 21:05:02,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:05:02,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-15 21:05:02,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2023-12-15 21:05:02,686 INFO L87 Difference]: Start difference. First operand 224 states and 302 transitions. Second operand has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-12-15 21:05:03,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:05:03,595 INFO L93 Difference]: Finished difference Result 577 states and 769 transitions. [2023-12-15 21:05:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-15 21:05:03,595 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 153 [2023-12-15 21:05:03,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:05:03,597 INFO L225 Difference]: With dead ends: 577 [2023-12-15 21:05:03,597 INFO L226 Difference]: Without dead ends: 354 [2023-12-15 21:05:03,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=323, Invalid=1083, Unknown=0, NotChecked=0, Total=1406 [2023-12-15 21:05:03,599 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 369 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 21:05:03,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 620 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 21:05:03,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-12-15 21:05:03,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 224. [2023-12-15 21:05:03,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 197 states have (on average 1.3096446700507614) internal successors, (258), 197 states have internal predecessors, (258), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:05:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 300 transitions. [2023-12-15 21:05:03,615 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 300 transitions. Word has length 153 [2023-12-15 21:05:03,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:05:03,616 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 300 transitions. [2023-12-15 21:05:03,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-12-15 21:05:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 300 transitions. [2023-12-15 21:05:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-15 21:05:03,618 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:05:03,618 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:05:03,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-15 21:05:03,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:05:03,824 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:05:03,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:05:03,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1980391220, now seen corresponding path program 1 times [2023-12-15 21:05:03,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:05:03,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898418291] [2023-12-15 21:05:03,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:05:03,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:05:03,845 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:05:03,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135575888] [2023-12-15 21:05:03,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:05:03,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:05:03,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:05:03,846 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:05:03,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-15 21:05:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:05:03,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 21:05:03,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:05:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 21:05:04,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:05:04,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:05:04,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898418291] [2023-12-15 21:05:04,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:05:04,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135575888] [2023-12-15 21:05:04,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135575888] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:05:04,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:05:04,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:05:04,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711758741] [2023-12-15 21:05:04,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:05:04,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:05:04,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:05:04,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:05:04,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:05:04,103 INFO L87 Difference]: Start difference. First operand 224 states and 300 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:05:04,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:05:04,206 INFO L93 Difference]: Finished difference Result 575 states and 765 transitions. [2023-12-15 21:05:04,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 21:05:04,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 153 [2023-12-15 21:05:04,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:05:04,211 INFO L225 Difference]: With dead ends: 575 [2023-12-15 21:05:04,211 INFO L226 Difference]: Without dead ends: 352 [2023-12-15 21:05:04,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:05:04,213 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 92 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:05:04,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 391 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:05:04,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2023-12-15 21:05:04,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 279. [2023-12-15 21:05:04,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 226 states have (on average 1.2699115044247788) internal successors, (287), 226 states have internal predecessors, (287), 42 states have call successors, (42), 10 states have call predecessors, (42), 10 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-15 21:05:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 371 transitions. [2023-12-15 21:05:04,236 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 371 transitions. Word has length 153 [2023-12-15 21:05:04,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:05:04,236 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 371 transitions. [2023-12-15 21:05:04,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:05:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 371 transitions. [2023-12-15 21:05:04,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-15 21:05:04,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:05:04,238 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:05:04,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-15 21:05:04,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-15 21:05:04,444 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:05:04,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:05:04,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1895853354, now seen corresponding path program 1 times [2023-12-15 21:05:04,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:05:04,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353482799] [2023-12-15 21:05:04,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:05:04,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:05:04,461 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:05:04,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1818961851] [2023-12-15 21:05:04,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:05:04,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:05:04,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:05:04,463 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:05:04,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-15 21:05:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:05:04,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-15 21:05:04,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:05:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 513 proven. 165 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-15 21:05:08,337 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:05:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-15 21:05:11,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:05:11,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353482799] [2023-12-15 21:05:11,867 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:05:11,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818961851] [2023-12-15 21:05:11,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818961851] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 21:05:11,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:05:11,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [30] total 40 [2023-12-15 21:05:11,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794565618] [2023-12-15 21:05:11,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:05:11,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-15 21:05:11,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:05:11,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-15 21:05:11,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=1269, Unknown=0, NotChecked=0, Total=1560 [2023-12-15 21:05:11,869 INFO L87 Difference]: Start difference. First operand 279 states and 371 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:05:14,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:05:14,072 INFO L93 Difference]: Finished difference Result 680 states and 902 transitions. [2023-12-15 21:05:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 21:05:14,073 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 154 [2023-12-15 21:05:14,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:05:14,074 INFO L225 Difference]: With dead ends: 680 [2023-12-15 21:05:14,074 INFO L226 Difference]: Without dead ends: 457 [2023-12-15 21:05:14,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=530, Invalid=2892, Unknown=0, NotChecked=0, Total=3422 [2023-12-15 21:05:14,076 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 810 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 21:05:14,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 476 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 21:05:14,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-12-15 21:05:14,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 277. [2023-12-15 21:05:14,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 224 states have (on average 1.2633928571428572) internal successors, (283), 224 states have internal predecessors, (283), 42 states have call successors, (42), 10 states have call predecessors, (42), 10 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-15 21:05:14,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 367 transitions. [2023-12-15 21:05:14,101 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 367 transitions. Word has length 154 [2023-12-15 21:05:14,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:05:14,101 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 367 transitions. [2023-12-15 21:05:14,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-15 21:05:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 367 transitions. [2023-12-15 21:05:14,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-15 21:05:14,103 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:05:14,103 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:05:14,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-15 21:05:14,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-15 21:05:14,309 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:05:14,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:05:14,309 INFO L85 PathProgramCache]: Analyzing trace with hash 2075613718, now seen corresponding path program 1 times [2023-12-15 21:05:14,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:05:14,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810185150] [2023-12-15 21:05:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:05:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:05:14,344 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:05:14,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [739661307] [2023-12-15 21:05:14,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:05:14,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:05:14,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:05:14,346 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:05:14,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-15 21:05:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:05:14,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 21:05:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:05:14,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 21:05:14,778 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 21:05:14,779 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 21:05:14,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-15 21:05:14,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-15 21:05:14,988 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:05:14,991 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 21:05:15,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:05:15 BoogieIcfgContainer [2023-12-15 21:05:15,101 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 21:05:15,101 INFO L158 Benchmark]: Toolchain (without parser) took 42949.49ms. Allocated memory was 202.4MB in the beginning and 758.1MB in the end (delta: 555.7MB). Free memory was 148.8MB in the beginning and 538.0MB in the end (delta: -389.2MB). Peak memory consumption was 167.0MB. Max. memory is 8.0GB. [2023-12-15 21:05:15,101 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:05:15,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.40ms. Allocated memory is still 202.4MB. Free memory was 148.4MB in the beginning and 131.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-15 21:05:15,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.37ms. Allocated memory is still 202.4MB. Free memory was 131.5MB in the beginning and 123.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-12-15 21:05:15,104 INFO L158 Benchmark]: Boogie Preprocessor took 84.59ms. Allocated memory is still 202.4MB. Free memory was 123.7MB in the beginning and 113.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-15 21:05:15,104 INFO L158 Benchmark]: RCFGBuilder took 687.42ms. Allocated memory was 202.4MB in the beginning and 358.6MB in the end (delta: 156.2MB). Free memory was 113.2MB in the beginning and 295.0MB in the end (delta: -181.8MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2023-12-15 21:05:15,104 INFO L158 Benchmark]: TraceAbstraction took 41731.62ms. Allocated memory was 358.6MB in the beginning and 758.1MB in the end (delta: 399.5MB). Free memory was 294.4MB in the beginning and 538.0MB in the end (delta: -243.5MB). Peak memory consumption was 156.0MB. Max. memory is 8.0GB. [2023-12-15 21:05:15,108 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 344.40ms. Allocated memory is still 202.4MB. Free memory was 148.4MB in the beginning and 131.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 96.37ms. Allocated memory is still 202.4MB. Free memory was 131.5MB in the beginning and 123.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 84.59ms. Allocated memory is still 202.4MB. Free memory was 123.7MB in the beginning and 113.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * RCFGBuilder took 687.42ms. Allocated memory was 202.4MB in the beginning and 358.6MB in the end (delta: 156.2MB). Free memory was 113.2MB in the beginning and 295.0MB in the end (delta: -181.8MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. * TraceAbstraction took 41731.62ms. Allocated memory was 358.6MB in the beginning and 758.1MB in the end (delta: 399.5MB). Free memory was 294.4MB in the beginning and 538.0MB in the end (delta: -243.5MB). Peak memory consumption was 156.0MB. 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 someBinaryDOUBLEComparisonOperation at line 167, overapproximation of shiftRight at line 167. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 50; [L23] unsigned char var_1_5 = 200; [L24] unsigned char var_1_6 = 64; [L25] signed short int var_1_7 = -2; [L26] signed long int var_1_8 = 16; [L27] unsigned char var_1_11 = 1; [L28] signed char var_1_12 = 8; [L29] signed char var_1_13 = 0; [L30] signed char var_1_14 = 10; [L31] signed char var_1_15 = 8; [L32] unsigned char var_1_16 = 5; [L33] unsigned char var_1_17 = 100; [L34] unsigned char var_1_18 = 25; [L35] unsigned char var_1_19 = 0; [L36] signed short int var_1_20 = -128; [L37] signed short int var_1_21 = -8; [L38] double var_1_22 = 100000000000.35; [L39] double var_1_23 = 199.4; [L40] double var_1_24 = 63.5; [L41] signed short int var_1_25 = 1; [L42] unsigned char var_1_27 = 1; [L43] unsigned char var_1_28 = 0; [L44] signed short int var_1_29 = -8; [L45] signed long int last_1_var_1_8 = 16; [L46] unsigned char last_1_var_1_16 = 5; [L171] isInitial = 1 [L172] FCALL initially() [L173] COND TRUE 1 [L174] CALL updateLastVariables() [L163] last_1_var_1_8 = var_1_8 [L164] last_1_var_1_16 = var_1_16 [L174] RET updateLastVariables() [L175] CALL updateVariables() [L128] var_1_5 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_5 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=64, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=64, var_1_7=-2, var_1_8=16] [L129] RET assume_abort_if_not(var_1_5 >= 190) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=64, var_1_7=-2, var_1_8=16] [L130] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=64, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=64, var_1_7=-2, var_1_8=16] [L130] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=64, var_1_7=-2, var_1_8=16] [L131] var_1_6 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_7=-2, var_1_8=16] [L132] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_7=-2, var_1_8=16] [L133] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L133] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L134] var_1_13 = __VERIFIER_nondet_char() [L135] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L135] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L136] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L136] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L137] var_1_14 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L138] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L139] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L139] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L140] var_1_15 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L141] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L142] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L142] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L143] var_1_17 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_17 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L144] RET assume_abort_if_not(var_1_17 >= 95) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L145] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L145] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L146] var_1_18 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L147] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L148] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L148] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L149] var_1_19 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L150] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L151] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L151] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L152] var_1_22 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L153] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L154] var_1_23 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L155] RET assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L156] var_1_24 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L157] RET assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L158] var_1_28 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L159] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L160] CALL assume_abort_if_not(var_1_28 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L160] RET assume_abort_if_not(var_1_28 <= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L175] RET updateVariables() [L176] CALL step() [L50] COND TRUE (last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16 [L51] var_1_1 = ((var_1_5 - 2) - var_1_6) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L55] COND TRUE 100.5f < var_1_22 [L56] var_1_27 = (! var_1_28) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L58] signed long int stepLocal_5 = 2; [L59] unsigned char stepLocal_4 = var_1_5; [L60] unsigned char stepLocal_3 = var_1_27; VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L61] COND FALSE !(stepLocal_4 <= var_1_1) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L64] COND TRUE stepLocal_3 || var_1_27 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=16] [L65] COND TRUE stepLocal_5 < var_1_1 [L66] var_1_8 = var_1_6 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L70] COND FALSE !(! var_1_27) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=8, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L77] COND TRUE var_1_27 || var_1_27 [L78] var_1_12 = (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L80] signed long int stepLocal_2 = ~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))); VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L81] EXPR var_1_11 >> var_1_1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L81] signed long int stepLocal_1 = var_1_11 >> var_1_1; [L82] unsigned char stepLocal_0 = var_1_1; VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L83] COND TRUE var_1_5 >= stepLocal_2 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L84] COND FALSE !(var_1_1 <= stepLocal_1) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L94] COND TRUE (var_1_22 * -0.625) < (var_1_23 * var_1_24) [L95] var_1_21 = ((((var_1_13) < ((var_1_12 + (256 - var_1_8)))) ? (var_1_13) : ((var_1_12 + (256 - var_1_8))))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L101] COND FALSE !(var_1_7 > var_1_5) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L106] COND TRUE \read(var_1_27) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L107] COND FALSE !(var_1_29 >= ((var_1_1 + var_1_19) - ((((var_1_1) > (var_1_8)) ? (var_1_1) : (var_1_8))))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=5, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L117] COND TRUE var_1_15 > var_1_25 [L118] var_1_16 = (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L120] EXPR var_1_16 | var_1_1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L120] EXPR (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=-128, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L120] signed long int stepLocal_6 = (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))); [L121] COND FALSE !(stepLocal_6 > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) [L124] var_1_20 = ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=125, stepLocal_1=0, stepLocal_2=-126, stepLocal_3=1, stepLocal_4=252, stepLocal_5=2, stepLocal_6=0, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L176] RET step() [L177] CALL, EXPR property() [L167] EXPR (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L167] EXPR (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L167] EXPR var_1_11 >> var_1_1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L167] EXPR (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L167] EXPR (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L167] EXPR (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L167] EXPR ((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16)))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L167] EXPR var_1_16 | var_1_1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L167] EXPR (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L167] EXPR ((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16)))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L167-L168] return ((((((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16))))) && (((var_1_22 * -0.625) < (var_1_23 * var_1_24)) ? (var_1_21 == ((signed short int) ((((var_1_13) < ((var_1_12 + (256 - var_1_8)))) ? (var_1_13) : ((var_1_12 + (256 - var_1_8))))))) : (var_1_27 ? (var_1_21 == ((signed short int) (((((((((var_1_12 + -1)) > (var_1_17)) ? ((var_1_12 + -1)) : (var_1_17)))) > ((var_1_13 + var_1_6))) ? ((((((var_1_12 + -1)) > (var_1_17)) ? ((var_1_12 + -1)) : (var_1_17)))) : ((var_1_13 + var_1_6)))))) : 1))) && (var_1_27 ? ((var_1_29 >= ((var_1_1 + var_1_19) - ((((var_1_1) > (var_1_8)) ? (var_1_1) : (var_1_8))))) ? (var_1_27 ? (var_1_25 == ((signed short int) var_1_17)) : (var_1_25 == ((signed short int) var_1_18))) : 1) : (var_1_25 == ((signed short int) var_1_14)))) && ((100.5f < var_1_22) ? (var_1_27 == ((unsigned char) (! var_1_28))) : 1)) && ((var_1_7 > var_1_5) ? (((var_1_21 <= var_1_6) || (var_1_27 || var_1_27)) ? (var_1_29 == ((signed short int) var_1_17)) : 1) : 1) ; [L177] RET, EXPR property() [L177] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=-63, var_1_14=63, var_1_15=63, var_1_16=125, var_1_17=127, var_1_18=0, var_1_19=0, var_1_1=125, var_1_20=131, var_1_21=-63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=252, var_1_6=125, var_1_7=-2, var_1_8=125] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.6s, OverallIterations: 17, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4382 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4376 mSDsluCounter, 6011 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4124 mSDsCounter, 354 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5241 IncrementalHoareTripleChecker+Invalid, 5595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 354 mSolverCounterUnsat, 1887 mSDtfsCounter, 5241 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3324 GetRequests, 3051 SyntacticMatches, 0 SemanticMatches, 273 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2974 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=15, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 875 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 24.3s InterpolantComputationTime, 2679 NumberOfCodeBlocks, 2679 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2965 ConstructedInterpolants, 0 QuantifiedInterpolants, 33891 SizeOfPredicates, 130 NumberOfNonLiveVariables, 5669 ConjunctsInSsa, 245 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 15747/16800 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 [2023-12-15 21:05:15,240 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...