/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-81.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 23:15:37,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 23:15:37,859 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 23:15:37,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 23:15:37,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 23:15:37,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 23:15:37,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 23:15:37,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 23:15:37,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 23:15:37,905 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 23:15:37,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 23:15:37,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 23:15:37,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 23:15:37,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 23:15:37,907 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 23:15:37,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 23:15:37,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 23:15:37,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 23:15:37,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 23:15:37,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 23:15:37,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 23:15:37,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 23:15:37,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 23:15:37,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 23:15:37,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 23:15:37,914 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 23:15:37,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 23:15:37,914 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 23:15:37,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 23:15:37,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 23:15:37,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 23:15:37,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 23:15:37,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:15:37,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 23:15:37,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 23:15:37,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 23:15:37,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 23:15:37,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 23:15:37,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 23:15:37,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 23:15:37,918 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 23:15:37,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 23:15:37,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 23:15:37,919 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 23:15:38,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 23:15:38,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 23:15:38,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 23:15:38,188 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 23:15:38,188 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 23:15:38,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-81.i [2023-12-20 23:15:39,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 23:15:39,585 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 23:15:39,586 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-81.i [2023-12-20 23:15:39,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bac83dd1/0be2210f63e64c0fad808f452c7a110d/FLAG577a9bd3f [2023-12-20 23:15:39,613 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bac83dd1/0be2210f63e64c0fad808f452c7a110d [2023-12-20 23:15:39,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 23:15:39,616 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 23:15:39,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 23:15:39,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 23:15:39,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 23:15:39,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:15:39" (1/1) ... [2023-12-20 23:15:39,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b9c9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:39, skipping insertion in model container [2023-12-20 23:15:39,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:15:39" (1/1) ... [2023-12-20 23:15:39,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 23:15:39,829 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_loopvsstraightlinecode_50-1loop_file-81.i[915,928] [2023-12-20 23:15:39,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:15:39,922 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 23:15:39,938 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_loopvsstraightlinecode_50-1loop_file-81.i[915,928] [2023-12-20 23:15:39,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:15:40,000 INFO L206 MainTranslator]: Completed translation [2023-12-20 23:15:40,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40 WrapperNode [2023-12-20 23:15:40,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 23:15:40,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 23:15:40,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 23:15:40,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 23:15:40,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,077 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2023-12-20 23:15:40,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 23:15:40,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 23:15:40,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 23:15:40,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 23:15:40,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,105 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,128 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]. [2023-12-20 23:15:40,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,140 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 23:15:40,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 23:15:40,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 23:15:40,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 23:15:40,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (1/1) ... [2023-12-20 23:15:40,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:15:40,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:15:40,189 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) [2023-12-20 23:15:40,209 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 [2023-12-20 23:15:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 23:15:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 23:15:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 23:15:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 23:15:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 23:15:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 23:15:40,311 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 23:15:40,313 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 23:15:40,695 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 23:15:40,737 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 23:15:40,738 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 23:15:40,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:15:40 BoogieIcfgContainer [2023-12-20 23:15:40,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 23:15:40,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 23:15:40,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 23:15:40,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 23:15:40,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 11:15:39" (1/3) ... [2023-12-20 23:15:40,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73495b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:15:40, skipping insertion in model container [2023-12-20 23:15:40,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:15:40" (2/3) ... [2023-12-20 23:15:40,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73495b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:15:40, skipping insertion in model container [2023-12-20 23:15:40,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:15:40" (3/3) ... [2023-12-20 23:15:40,750 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-81.i [2023-12-20 23:15:40,785 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 23:15:40,785 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 23:15:40,872 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 23:15:40,879 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;@40e872d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 23:15:40,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 23:15:40,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-20 23:15:40,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:15:40,900 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:15:40,901 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:15:40,901 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:15:40,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:15:40,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1115979596, now seen corresponding path program 1 times [2023-12-20 23:15:40,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:15:40,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025289747] [2023-12-20 23:15:40,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:15:40,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:15:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:15:41,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:15:41,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025289747] [2023-12-20 23:15:41,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 23:15:41,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409710302] [2023-12-20 23:15:41,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:15:41,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:15:41,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:15:41,138 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) [2023-12-20 23:15:41,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 23:15:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:15:41,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-20 23:15:41,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:15:41,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-12-20 23:15:41,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:15:41,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409710302] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:15:41,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:15:41,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 23:15:41,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535276925] [2023-12-20 23:15:41,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:15:41,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 23:15:41,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:15:41,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 23:15:41,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:15:41,376 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-20 23:15:41,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:15:41,424 INFO L93 Difference]: Finished difference Result 127 states and 227 transitions. [2023-12-20 23:15:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 23:15:41,427 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 158 [2023-12-20 23:15:41,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:15:41,435 INFO L225 Difference]: With dead ends: 127 [2023-12-20 23:15:41,435 INFO L226 Difference]: Without dead ends: 62 [2023-12-20 23:15:41,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:15:41,444 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 23:15:41,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 23:15:41,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-12-20 23:15:41,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-12-20 23:15:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-20 23:15:41,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 96 transitions. [2023-12-20 23:15:41,486 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 96 transitions. Word has length 158 [2023-12-20 23:15:41,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:15:41,486 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 96 transitions. [2023-12-20 23:15:41,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-20 23:15:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions. [2023-12-20 23:15:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:15:41,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:15:41,491 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:15:41,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 23:15:41,699 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 [2023-12-20 23:15:41,700 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:15:41,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:15:41,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1903386764, now seen corresponding path program 1 times [2023-12-20 23:15:41,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:15:41,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908086228] [2023-12-20 23:15:41,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:15:41,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:15:41,760 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:15:41,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519125140] [2023-12-20 23:15:41,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:15:41,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:15:41,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:15:41,765 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) [2023-12-20 23:15:41,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 23:15:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:15:41,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-20 23:15:41,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:16:42,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-20 23:16:42,373 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:16:42,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:16:42,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908086228] [2023-12-20 23:16:42,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:16:42,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519125140] [2023-12-20 23:16:42,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519125140] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:16:42,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:16:42,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 23:16:42,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104747482] [2023-12-20 23:16:42,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:16:42,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 23:16:42,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:16:42,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 23:16:42,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-20 23:16:42,380 INFO L87 Difference]: Start difference. First operand 62 states and 96 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:16:43,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:16:43,083 INFO L93 Difference]: Finished difference Result 183 states and 266 transitions. [2023-12-20 23:16:43,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 23:16:43,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-12-20 23:16:43,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:16:43,086 INFO L225 Difference]: With dead ends: 183 [2023-12-20 23:16:43,086 INFO L226 Difference]: Without dead ends: 122 [2023-12-20 23:16:43,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-20 23:16:43,088 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 113 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 23:16:43,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 381 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 23:16:43,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-12-20 23:16:43,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 84. [2023-12-20 23:16:43,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 52 states have internal predecessors, (65), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 23:16:43,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 125 transitions. [2023-12-20 23:16:43,107 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 125 transitions. Word has length 158 [2023-12-20 23:16:43,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:16:43,107 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 125 transitions. [2023-12-20 23:16:43,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:16:43,108 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2023-12-20 23:16:43,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:16:43,110 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:16:43,110 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:16:43,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 23:16:43,316 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 [2023-12-20 23:16:43,317 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:16:43,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:16:43,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1903446346, now seen corresponding path program 1 times [2023-12-20 23:16:43,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:16:43,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594108549] [2023-12-20 23:16:43,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:16:43,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:16:43,371 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:16:43,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675884957] [2023-12-20 23:16:43,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:16:43,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:16:43,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:16:43,375 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) [2023-12-20 23:16:43,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 23:16:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:16:43,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-20 23:16:43,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:16:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-20 23:16:44,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:16:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-20 23:16:44,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:16:44,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594108549] [2023-12-20 23:16:44,494 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:16:44,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675884957] [2023-12-20 23:16:44,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675884957] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:16:44,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:16:44,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2023-12-20 23:16:44,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566795134] [2023-12-20 23:16:44,495 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:16:44,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-20 23:16:44,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:16:44,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-20 23:16:44,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-12-20 23:16:44,500 INFO L87 Difference]: Start difference. First operand 84 states and 125 transitions. Second operand has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) [2023-12-20 23:16:45,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:16:45,562 INFO L93 Difference]: Finished difference Result 345 states and 499 transitions. [2023-12-20 23:16:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-20 23:16:45,562 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) Word has length 158 [2023-12-20 23:16:45,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:16:45,570 INFO L225 Difference]: With dead ends: 345 [2023-12-20 23:16:45,570 INFO L226 Difference]: Without dead ends: 262 [2023-12-20 23:16:45,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=345, Invalid=915, Unknown=0, NotChecked=0, Total=1260 [2023-12-20 23:16:45,576 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 505 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 23:16:45,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 333 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 23:16:45,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-12-20 23:16:45,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 92. [2023-12-20 23:16:45,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 58 states have internal predecessors, (70), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 23:16:45,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2023-12-20 23:16:45,618 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 158 [2023-12-20 23:16:45,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:16:45,618 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2023-12-20 23:16:45,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) [2023-12-20 23:16:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2023-12-20 23:16:45,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:16:45,621 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:16:45,621 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:16:45,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-20 23:16:45,828 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 [2023-12-20 23:16:45,829 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:16:45,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:16:45,829 INFO L85 PathProgramCache]: Analyzing trace with hash -2133355512, now seen corresponding path program 1 times [2023-12-20 23:16:45,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:16:45,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475794634] [2023-12-20 23:16:45,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:16:45,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:16:45,856 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:16:45,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [780986339] [2023-12-20 23:16:45,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:16:45,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:16:45,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:16:45,858 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) [2023-12-20 23:16:45,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 23:16:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:16:45,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-20 23:16:46,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:16:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 52 proven. 144 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-20 23:16:50,874 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:16:56,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-20 23:16:56,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:16:56,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475794634] [2023-12-20 23:16:56,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:16:56,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780986339] [2023-12-20 23:16:56,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780986339] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-20 23:16:56,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 23:16:56,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16] total 23 [2023-12-20 23:16:56,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100268143] [2023-12-20 23:16:56,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:16:56,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 23:16:56,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:16:56,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 23:16:56,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2023-12-20 23:16:56,554 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:16:57,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:16:57,213 INFO L93 Difference]: Finished difference Result 272 states and 376 transitions. [2023-12-20 23:16:57,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 23:16:57,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-12-20 23:16:57,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:16:57,215 INFO L225 Difference]: With dead ends: 272 [2023-12-20 23:16:57,215 INFO L226 Difference]: Without dead ends: 181 [2023-12-20 23:16:57,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=138, Invalid=462, Unknown=0, NotChecked=0, Total=600 [2023-12-20 23:16:57,216 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 210 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 23:16:57,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 275 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 23:16:57,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-12-20 23:16:57,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 104. [2023-12-20 23:16:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 70 states have internal predecessors, (86), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 23:16:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 146 transitions. [2023-12-20 23:16:57,240 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 146 transitions. Word has length 158 [2023-12-20 23:16:57,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:16:57,241 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 146 transitions. [2023-12-20 23:16:57,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:16:57,241 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2023-12-20 23:16:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:16:57,243 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:16:57,243 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:16:57,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-20 23:16:57,450 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 [2023-12-20 23:16:57,451 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:16:57,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:16:57,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1352205576, now seen corresponding path program 1 times [2023-12-20 23:16:57,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:16:57,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125792196] [2023-12-20 23:16:57,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:16:57,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:16:57,478 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:16:57,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796764813] [2023-12-20 23:16:57,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:16:57,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:16:57,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:16:57,480 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) [2023-12-20 23:16:57,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-20 23:16:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:16:57,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-20 23:16:57,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:16:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-20 23:16:57,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:16:57,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:16:57,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125792196] [2023-12-20 23:16:57,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:16:57,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796764813] [2023-12-20 23:16:57,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796764813] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:16:57,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:16:57,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 23:16:57,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726580751] [2023-12-20 23:16:57,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:16:57,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 23:16:57,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:16:57,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 23:16:57,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 23:16:57,599 INFO L87 Difference]: Start difference. First operand 104 states and 146 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:16:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:16:57,719 INFO L93 Difference]: Finished difference Result 212 states and 297 transitions. [2023-12-20 23:16:57,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 23:16:57,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-12-20 23:16:57,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:16:57,721 INFO L225 Difference]: With dead ends: 212 [2023-12-20 23:16:57,721 INFO L226 Difference]: Without dead ends: 109 [2023-12-20 23:16:57,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 23:16:57,722 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 56 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 23:16:57,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 249 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 23:16:57,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-12-20 23:16:57,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2023-12-20 23:16:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 72 states have internal predecessors, (88), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 23:16:57,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions. [2023-12-20 23:16:57,745 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 158 [2023-12-20 23:16:57,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:16:57,746 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions. [2023-12-20 23:16:57,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:16:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2023-12-20 23:16:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:16:57,747 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:16:57,748 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:16:57,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-20 23:16:57,953 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 [2023-12-20 23:16:57,954 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:16:57,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:16:57,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1453297142, now seen corresponding path program 1 times [2023-12-20 23:16:57,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:16:57,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171041432] [2023-12-20 23:16:57,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:16:57,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:16:57,977 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:16:57,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116920360] [2023-12-20 23:16:57,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:16:57,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:16:57,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:16:57,986 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) [2023-12-20 23:16:57,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-20 23:16:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:16:58,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-20 23:16:58,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:17:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 52 proven. 144 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-20 23:17:06,924 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:17:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-20 23:17:11,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:17:11,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171041432] [2023-12-20 23:17:11,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:17:11,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116920360] [2023-12-20 23:17:11,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116920360] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-20 23:17:11,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 23:17:11,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 21 [2023-12-20 23:17:11,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034382101] [2023-12-20 23:17:11,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:17:11,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 23:17:11,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:17:11,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 23:17:11,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2023-12-20 23:17:11,567 INFO L87 Difference]: Start difference. First operand 106 states and 148 transitions. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:17:12,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:17:12,215 INFO L93 Difference]: Finished difference Result 251 states and 341 transitions. [2023-12-20 23:17:12,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 23:17:12,216 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-12-20 23:17:12,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:17:12,217 INFO L225 Difference]: With dead ends: 251 [2023-12-20 23:17:12,217 INFO L226 Difference]: Without dead ends: 146 [2023-12-20 23:17:12,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2023-12-20 23:17:12,218 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 112 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 23:17:12,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 346 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 23:17:12,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-12-20 23:17:12,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 106. [2023-12-20 23:17:12,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 72 states have internal predecessors, (88), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 23:17:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions. [2023-12-20 23:17:12,242 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 158 [2023-12-20 23:17:12,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:17:12,243 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions. [2023-12-20 23:17:12,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:17:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2023-12-20 23:17:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:17:12,245 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:17:12,245 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:17:12,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-20 23:17:12,451 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 [2023-12-20 23:17:12,452 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:17:12,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:17:12,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1768584774, now seen corresponding path program 1 times [2023-12-20 23:17:12,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:17:12,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010017127] [2023-12-20 23:17:12,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:17:12,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:17:12,471 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:17:12,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1289917257] [2023-12-20 23:17:12,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:17:12,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:17:12,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:17:12,472 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) [2023-12-20 23:17:12,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-20 23:17:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:17:12,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-20 23:17:12,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:17:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-20 23:17:13,176 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:17:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-20 23:17:13,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:17:13,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010017127] [2023-12-20 23:17:13,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:17:13,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289917257] [2023-12-20 23:17:13,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289917257] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:17:13,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:17:13,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2023-12-20 23:17:13,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440790580] [2023-12-20 23:17:13,706 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:17:13,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-20 23:17:13,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:17:13,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-20 23:17:13,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2023-12-20 23:17:13,708 INFO L87 Difference]: Start difference. First operand 106 states and 148 transitions. Second operand has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) [2023-12-20 23:17:14,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:17:14,648 INFO L93 Difference]: Finished difference Result 337 states and 470 transitions. [2023-12-20 23:17:14,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-20 23:17:14,649 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) Word has length 158 [2023-12-20 23:17:14,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:17:14,651 INFO L225 Difference]: With dead ends: 337 [2023-12-20 23:17:14,651 INFO L226 Difference]: Without dead ends: 232 [2023-12-20 23:17:14,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 23:17:14,652 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 406 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 23:17:14,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 348 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 23:17:14,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-12-20 23:17:14,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 162. [2023-12-20 23:17:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 99 states have (on average 1.1919191919191918) internal successors, (118), 100 states have internal predecessors, (118), 56 states have call successors, (56), 6 states have call predecessors, (56), 6 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-20 23:17:14,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 230 transitions. [2023-12-20 23:17:14,693 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 230 transitions. Word has length 158 [2023-12-20 23:17:14,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:17:14,694 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 230 transitions. [2023-12-20 23:17:14,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) [2023-12-20 23:17:14,694 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 230 transitions. [2023-12-20 23:17:14,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-20 23:17:14,695 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:17:14,695 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:17:14,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-20 23:17:14,911 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 [2023-12-20 23:17:14,911 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:17:14,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:17:14,912 INFO L85 PathProgramCache]: Analyzing trace with hash 959069, now seen corresponding path program 1 times [2023-12-20 23:17:14,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:17:14,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437532343] [2023-12-20 23:17:14,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:17:14,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:17:14,946 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:17:14,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689136768] [2023-12-20 23:17:14,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:17:14,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:17:14,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:17:14,947 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) [2023-12-20 23:17:14,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-20 23:17:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:17:15,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-20 23:17:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:17:15,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-20 23:17:15,174 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-20 23:17:15,175 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 23:17:15,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-20 23:17:15,384 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 [2023-12-20 23:17:15,387 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:17:15,390 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 23:17:15,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 11:17:15 BoogieIcfgContainer [2023-12-20 23:17:15,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 23:17:15,495 INFO L158 Benchmark]: Toolchain (without parser) took 95879.36ms. Allocated memory was 303.0MB in the beginning and 937.4MB in the end (delta: 634.4MB). Free memory was 253.6MB in the beginning and 516.1MB in the end (delta: -262.4MB). Peak memory consumption was 372.9MB. Max. memory is 8.0GB. [2023-12-20 23:17:15,496 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 154.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 23:17:15,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.67ms. Allocated memory is still 303.0MB. Free memory was 253.6MB in the beginning and 239.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-20 23:17:15,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.29ms. Allocated memory is still 303.0MB. Free memory was 239.0MB in the beginning and 235.1MB in the end (delta: 3.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 23:17:15,496 INFO L158 Benchmark]: Boogie Preprocessor took 73.85ms. Allocated memory is still 303.0MB. Free memory was 235.1MB in the beginning and 229.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-20 23:17:15,497 INFO L158 Benchmark]: RCFGBuilder took 585.49ms. Allocated memory is still 303.0MB. Free memory was 229.5MB in the beginning and 205.0MB in the end (delta: 24.5MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-12-20 23:17:15,497 INFO L158 Benchmark]: TraceAbstraction took 94753.70ms. Allocated memory was 303.0MB in the beginning and 937.4MB in the end (delta: 634.4MB). Free memory was 204.4MB in the beginning and 516.1MB in the end (delta: -311.7MB). Peak memory consumption was 323.6MB. Max. memory is 8.0GB. [2023-12-20 23:17:15,499 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 201.3MB. Free memory is still 154.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 384.67ms. Allocated memory is still 303.0MB. Free memory was 253.6MB in the beginning and 239.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.29ms. Allocated memory is still 303.0MB. Free memory was 239.0MB in the beginning and 235.1MB in the end (delta: 3.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 73.85ms. Allocated memory is still 303.0MB. Free memory was 235.1MB in the beginning and 229.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 585.49ms. Allocated memory is still 303.0MB. Free memory was 229.5MB in the beginning and 205.0MB in the end (delta: 24.5MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 94753.70ms. Allocated memory was 303.0MB in the beginning and 937.4MB in the end (delta: 634.4MB). Free memory was 204.4MB in the beginning and 516.1MB in the end (delta: -311.7MB). Peak memory consumption was 323.6MB. 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 bitwise operation at line 78. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_5 = 128; [L24] unsigned char var_1_6 = 4; [L25] unsigned char var_1_7 = 10; [L26] unsigned char var_1_8 = 0; [L27] unsigned char var_1_9 = 1; [L28] unsigned long int var_1_10 = 0; [L29] unsigned short int var_1_11 = 4; [L30] unsigned short int var_1_12 = 54828; [L31] unsigned short int var_1_13 = 61894; [L32] unsigned short int var_1_14 = 10000; [L33] unsigned short int var_1_15 = 10000; [L34] signed short int var_1_16 = 0; [L35] signed char var_1_17 = 32; [L36] signed char var_1_18 = 64; [L37] signed char var_1_19 = 10; [L38] signed char var_1_20 = 8; [L39] signed char var_1_21 = 5; [L40] signed char var_1_22 = 2; [L41] signed char var_1_23 = 64; [L42] signed long int var_1_24 = -5; [L43] unsigned char last_1_var_1_1 = 5; [L44] unsigned char last_1_var_1_7 = 10; [L45] unsigned short int last_1_var_1_11 = 4; [L46] signed char last_1_var_1_17 = 32; [L138] isInitial = 1 [L139] FCALL initially() [L140] int k_loop; [L141] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L141] COND TRUE k_loop < 1 [L142] CALL updateLastVariables() [L128] last_1_var_1_1 = var_1_1 [L129] last_1_var_1_7 = var_1_7 [L130] last_1_var_1_11 = var_1_11 [L131] last_1_var_1_17 = var_1_17 [L142] RET updateLastVariables() [L143] CALL updateVariables() [L87] var_1_5 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L89] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L90] var_1_6 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_7=10, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_7=10, var_1_8=0, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=0, var_1_9=1] [L92] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=0, var_1_9=1] [L93] var_1_8 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_9=1] [L94] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L95] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L96] var_1_9 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1] [L97] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1] [L98] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L98] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L99] var_1_12 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_12 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L100] RET assume_abort_if_not(var_1_12 >= 32767) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L101] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L101] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L102] var_1_13 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L103] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L104] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L104] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L105] var_1_14 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_14 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L106] RET assume_abort_if_not(var_1_14 >= 8191) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L107] CALL assume_abort_if_not(var_1_14 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L107] RET assume_abort_if_not(var_1_14 <= 16384) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L108] var_1_15 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_15 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L109] RET assume_abort_if_not(var_1_15 >= 8192) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L110] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L110] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L111] var_1_18 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L112] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L113] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L113] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L114] var_1_19 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L115] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L116] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L116] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L117] var_1_20 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L118] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L119] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L119] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L120] var_1_21 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L121] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L122] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L122] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L123] var_1_22 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L124] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L125] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L125] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L143] RET updateVariables() [L144] CALL step() [L50] var_1_16 = (last_1_var_1_17 - 1) [L51] unsigned char stepLocal_2 = var_1_8; [L52] unsigned char stepLocal_1 = var_1_8; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_1=1, stepLocal_2=1, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L53] COND TRUE ((var_1_6 / var_1_5) != ((((var_1_16) < (last_1_var_1_7)) ? (var_1_16) : (last_1_var_1_7)))) && stepLocal_1 [L54] var_1_7 = var_1_5 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_1=1, stepLocal_2=1, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L62] COND FALSE !(var_1_16 > ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5)))) [L65] var_1_17 = (var_1_20 - (var_1_21 + var_1_22)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_1=1, stepLocal_2=1, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=122, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L67] signed long int stepLocal_0 = var_1_7 + var_1_16; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=122, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L68] COND TRUE last_1_var_1_1 != stepLocal_0 [L69] var_1_1 = (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=122, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L71] COND TRUE ! var_1_9 [L72] var_1_10 = ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=254, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=122, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L74] COND TRUE \read(var_1_8) [L75] var_1_11 = (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - last_1_var_1_11)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=254, var_1_11=40962, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=122, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L77] var_1_24 = var_1_12 [L78] EXPR var_1_13 & var_1_7 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=254, var_1_11=40962, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=122, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=65534, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L78] COND FALSE !(! ((var_1_13 & var_1_7) != var_1_24)) [L81] COND FALSE !(! var_1_8) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=254, var_1_11=40962, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=122, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=65534, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L144] RET step() [L145] CALL, EXPR property() [L134] EXPR (((((((last_1_var_1_1 != (var_1_7 + var_1_16)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_16) < (last_1_var_1_7)) ? (var_1_16) : (last_1_var_1_7)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((last_1_var_1_7 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - last_1_var_1_11)))) : 1)) && (var_1_16 == ((signed short int) (last_1_var_1_17 - 1)))) && ((var_1_16 > ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_7) != var_1_24)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1)) [L134] EXPR var_1_13 & var_1_7 [L134] EXPR (((((((last_1_var_1_1 != (var_1_7 + var_1_16)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_16) < (last_1_var_1_7)) ? (var_1_16) : (last_1_var_1_7)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((last_1_var_1_7 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - last_1_var_1_11)))) : 1)) && (var_1_16 == ((signed short int) (last_1_var_1_17 - 1)))) && ((var_1_16 > ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_7) != var_1_24)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=254, var_1_11=40962, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=122, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=65534, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L134-L135] return ((((((((last_1_var_1_1 != (var_1_7 + var_1_16)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_16) < (last_1_var_1_7)) ? (var_1_16) : (last_1_var_1_7)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((last_1_var_1_7 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - last_1_var_1_11)))) : 1)) && (var_1_16 == ((signed short int) (last_1_var_1_17 - 1)))) && ((var_1_16 > ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_7) != var_1_24)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1))) && (var_1_24 == ((signed long int) var_1_12)) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=254, var_1_11=40962, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=122, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=65534, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=254, var_1_11=40962, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=8192, var_1_16=31, var_1_17=122, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=126, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=65534, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 94.5s, OverallIterations: 8, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1427 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1402 mSDsluCounter, 2025 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1390 mSDsCounter, 552 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1606 IncrementalHoareTripleChecker+Invalid, 2158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 552 mSolverCounterUnsat, 635 mSDtfsCounter, 1606 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1776 GetRequests, 1658 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=7, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 398 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 86.7s InterpolantComputationTime, 1423 NumberOfCodeBlocks, 1423 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1727 ConstructedInterpolants, 2 QuantifiedInterpolants, 16663 SizeOfPredicates, 108 NumberOfNonLiveVariables, 2685 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 13712/14300 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 [2023-12-20 23:17:15,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...