/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 21:41:41,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 21:41:41,154 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 21:41:41,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 21:41:41,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 21:41:41,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 21:41:41,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 21:41:41,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 21:41:41,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 21:41:41,196 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 21:41:41,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 21:41:41,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 21:41:41,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 21:41:41,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 21:41:41,199 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 21:41:41,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 21:41:41,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 21:41:41,199 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 21:41:41,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 21:41:41,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 21:41:41,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 21:41:41,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 21:41:41,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 21:41:41,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 21:41:41,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 21:41:41,201 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 21:41:41,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 21:41:41,202 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 21:41:41,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 21:41:41,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 21:41:41,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 21:41:41,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 21:41:41,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:41:41,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 21:41:41,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 21:41:41,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 21:41:41,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 21:41:41,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 21:41:41,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 21:41:41,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 21:41:41,205 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 21:41:41,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 21:41:41,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 21:41:41,205 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 21:41:41,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 21:41:41,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 21:41:41,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 21:41:41,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 21:41:41,463 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 21:41:41,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i [2023-12-15 21:41:42,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 21:41:42,746 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 21:41:42,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i [2023-12-15 21:41:42,754 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3104c06dd/44470afc83bc45a1bd0d10c81da5470c/FLAG82bcfc6d2 [2023-12-15 21:41:42,764 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3104c06dd/44470afc83bc45a1bd0d10c81da5470c [2023-12-15 21:41:42,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 21:41:42,766 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 21:41:42,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 21:41:42,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 21:41:42,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 21:41:42,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:41:42" (1/1) ... [2023-12-15 21:41:42,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e42a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:42, skipping insertion in model container [2023-12-15 21:41:42,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:41:42" (1/1) ... [2023-12-15 21:41:42,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 21:41:42,940 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_variablewrapping_wrapper-s_file-75.i[916,929] [2023-12-15 21:41:42,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:41:43,005 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 21:41:43,013 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_variablewrapping_wrapper-s_file-75.i[916,929] [2023-12-15 21:41:43,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:41:43,060 INFO L206 MainTranslator]: Completed translation [2023-12-15 21:41:43,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43 WrapperNode [2023-12-15 21:41:43,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 21:41:43,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 21:41:43,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 21:41:43,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 21:41:43,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,140 INFO L138 Inliner]: procedures = 29, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 459 [2023-12-15 21:41:43,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 21:41:43,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 21:41:43,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 21:41:43,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 21:41:43,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,159 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,184 INFO L175 MemorySlicer]: Split 131 memory accesses to 2 slices as follows [2, 129]. 98 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 14]. The 18 writes are split as follows [0, 18]. [2023-12-15 21:41:43,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 21:41:43,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 21:41:43,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 21:41:43,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 21:41:43,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (1/1) ... [2023-12-15 21:41:43,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:41:43,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:43,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 21:41:43,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 21:41:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 21:41:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-15 21:41:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-15 21:41:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-15 21:41:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-15 21:41:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-15 21:41:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-15 21:41:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-15 21:41:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-15 21:41:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-15 21:41:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-15 21:41:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 21:41:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 21:41:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 21:41:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 21:41:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 21:41:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 21:41:43,423 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 21:41:43,424 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 21:41:43,872 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 21:41:43,903 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 21:41:43,903 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 21:41:43,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:41:43 BoogieIcfgContainer [2023-12-15 21:41:43,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 21:41:43,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 21:41:43,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 21:41:43,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 21:41:43,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:41:42" (1/3) ... [2023-12-15 21:41:43,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477bbd78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:41:43, skipping insertion in model container [2023-12-15 21:41:43,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:43" (2/3) ... [2023-12-15 21:41:43,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477bbd78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:41:43, skipping insertion in model container [2023-12-15 21:41:43,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:41:43" (3/3) ... [2023-12-15 21:41:43,911 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-75.i [2023-12-15 21:41:43,925 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 21:41:43,926 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 21:41:43,965 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 21:41:43,970 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;@2637332d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 21:41:43,971 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 21:41:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 71 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-15 21:41:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-15 21:41:43,996 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:43,997 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:43,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:44,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:44,002 INFO L85 PathProgramCache]: Analyzing trace with hash -950670421, now seen corresponding path program 1 times [2023-12-15 21:41:44,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:44,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948268644] [2023-12-15 21:41:44,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:44,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:44,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:44,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948268644] [2023-12-15 21:41:44,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 21:41:44,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631795092] [2023-12-15 21:41:44,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:44,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:44,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:44,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:44,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 21:41:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:44,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 21:41:44,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2023-12-15 21:41:44,542 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:44,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631795092] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:44,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:44,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 21:41:44,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995097794] [2023-12-15 21:41:44,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:44,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 21:41:44,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:44,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 21:41:44,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:41:44,579 INFO L87 Difference]: Start difference. First operand has 90 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 71 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 21:41:44,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:44,629 INFO L93 Difference]: Finished difference Result 177 states and 285 transitions. [2023-12-15 21:41:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 21:41:44,631 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2023-12-15 21:41:44,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:44,638 INFO L225 Difference]: With dead ends: 177 [2023-12-15 21:41:44,639 INFO L226 Difference]: Without dead ends: 88 [2023-12-15 21:41:44,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:41:44,646 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:44,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:41:44,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-15 21:41:44,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-12-15 21:41:44,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-15 21:41:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 130 transitions. [2023-12-15 21:41:44,709 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 130 transitions. Word has length 131 [2023-12-15 21:41:44,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:44,709 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 130 transitions. [2023-12-15 21:41:44,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 21:41:44,711 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2023-12-15 21:41:44,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-15 21:41:44,719 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:44,719 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:44,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:44,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-15 21:41:44,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:44,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:44,921 INFO L85 PathProgramCache]: Analyzing trace with hash 685314461, now seen corresponding path program 1 times [2023-12-15 21:41:44,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:44,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435867351] [2023-12-15 21:41:44,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:44,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:45,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:45,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435867351] [2023-12-15 21:41:45,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 21:41:45,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162997264] [2023-12-15 21:41:45,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:45,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:45,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:45,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:45,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 21:41:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:45,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 21:41:45,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-12-15 21:41:45,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:45,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162997264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:45,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:45,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:41:45,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489147206] [2023-12-15 21:41:45,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:45,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:41:45,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:45,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:41:45,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:41:45,321 INFO L87 Difference]: Start difference. First operand 88 states and 130 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 21:41:45,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:45,380 INFO L93 Difference]: Finished difference Result 181 states and 268 transitions. [2023-12-15 21:41:45,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 21:41:45,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2023-12-15 21:41:45,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:45,384 INFO L225 Difference]: With dead ends: 181 [2023-12-15 21:41:45,384 INFO L226 Difference]: Without dead ends: 94 [2023-12-15 21:41:45,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:41:45,386 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 10 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:45,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 367 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:41:45,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-15 21:41:45,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2023-12-15 21:41:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 71 states have (on average 1.380281690140845) internal successors, (98), 71 states have internal predecessors, (98), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-15 21:41:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions. [2023-12-15 21:41:45,394 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 131 [2023-12-15 21:41:45,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:45,395 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions. [2023-12-15 21:41:45,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 21:41:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2023-12-15 21:41:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-15 21:41:45,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:45,396 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:45,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:45,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-15 21:41:45,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:45,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:45,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1887650149, now seen corresponding path program 1 times [2023-12-15 21:41:45,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:45,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140101914] [2023-12-15 21:41:45,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:45,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:45,650 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:45,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361255217] [2023-12-15 21:41:45,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:45,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:45,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:45,656 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:45,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 21:41:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:45,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 21:41:45,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:45,857 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-15 21:41:45,857 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:45,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:45,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140101914] [2023-12-15 21:41:45,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:45,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361255217] [2023-12-15 21:41:45,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361255217] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:45,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:45,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:41:45,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823689718] [2023-12-15 21:41:45,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:45,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:41:45,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:45,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:41:45,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:41:45,860 INFO L87 Difference]: Start difference. First operand 90 states and 132 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:45,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:45,903 INFO L93 Difference]: Finished difference Result 187 states and 274 transitions. [2023-12-15 21:41:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 21:41:45,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-15 21:41:45,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:45,908 INFO L225 Difference]: With dead ends: 187 [2023-12-15 21:41:45,908 INFO L226 Difference]: Without dead ends: 98 [2023-12-15 21:41:45,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:41:45,911 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 12 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:45,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 366 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:41:45,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-15 21:41:45,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2023-12-15 21:41:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 73 states have (on average 1.36986301369863) internal successors, (100), 73 states have internal predecessors, (100), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-15 21:41:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2023-12-15 21:41:45,919 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 131 [2023-12-15 21:41:45,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:45,920 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2023-12-15 21:41:45,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-12-15 21:41:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-15 21:41:45,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:45,922 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:45,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:46,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:46,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:46,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:46,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1830391847, now seen corresponding path program 1 times [2023-12-15 21:41:46,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:46,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604281846] [2023-12-15 21:41:46,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:46,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:46,170 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:46,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041388439] [2023-12-15 21:41:46,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:46,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:46,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:46,172 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:46,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 21:41:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:46,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 21:41:46,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-15 21:41:46,422 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:46,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:46,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604281846] [2023-12-15 21:41:46,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:46,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041388439] [2023-12-15 21:41:46,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041388439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:46,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:46,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:41:46,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545663788] [2023-12-15 21:41:46,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:46,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:41:46,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:46,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:41:46,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:41:46,429 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:46,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:46,463 INFO L93 Difference]: Finished difference Result 187 states and 272 transitions. [2023-12-15 21:41:46,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 21:41:46,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-15 21:41:46,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:46,466 INFO L225 Difference]: With dead ends: 187 [2023-12-15 21:41:46,466 INFO L226 Difference]: Without dead ends: 96 [2023-12-15 21:41:46,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:41:46,467 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 3 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:46,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 367 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:41:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-15 21:41:46,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2023-12-15 21:41:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-15 21:41:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2023-12-15 21:41:46,483 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 131 [2023-12-15 21:41:46,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:46,484 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2023-12-15 21:41:46,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2023-12-15 21:41:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-15 21:41:46,485 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:46,486 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:46,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:46,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:46,696 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:46,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:46,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1830332265, now seen corresponding path program 1 times [2023-12-15 21:41:46,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:46,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684778240] [2023-12-15 21:41:46,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:46,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:46,753 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:46,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [487457652] [2023-12-15 21:41:46,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:46,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:46,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:46,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:46,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 21:41:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:46,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-15 21:41:46,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:47,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-12-15 21:41:47,061 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:47,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-12-15 21:41:47,114 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:47,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 31 [2023-12-15 21:41:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-15 21:41:47,129 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:41:47,210 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-15 21:41:47,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:47,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684778240] [2023-12-15 21:41:47,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:47,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487457652] [2023-12-15 21:41:47,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487457652] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 21:41:47,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:41:47,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-12-15 21:41:47,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458671743] [2023-12-15 21:41:47,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:47,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:41:47,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:47,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:41:47,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-12-15 21:41:47,212 INFO L87 Difference]: Start difference. First operand 94 states and 136 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:47,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:47,348 INFO L93 Difference]: Finished difference Result 187 states and 271 transitions. [2023-12-15 21:41:47,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 21:41:47,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-15 21:41:47,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:47,350 INFO L225 Difference]: With dead ends: 187 [2023-12-15 21:41:47,350 INFO L226 Difference]: Without dead ends: 94 [2023-12-15 21:41:47,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-15 21:41:47,351 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 76 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:47,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 322 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:41:47,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-15 21:41:47,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-15 21:41:47,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 75 states have (on average 1.3466666666666667) internal successors, (101), 75 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-15 21:41:47,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 135 transitions. [2023-12-15 21:41:47,357 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 135 transitions. Word has length 131 [2023-12-15 21:41:47,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:47,358 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 135 transitions. [2023-12-15 21:41:47,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:47,358 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2023-12-15 21:41:47,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-15 21:41:47,359 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:47,360 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:47,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:47,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:47,567 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:47,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:47,567 INFO L85 PathProgramCache]: Analyzing trace with hash -576179684, now seen corresponding path program 1 times [2023-12-15 21:41:47,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:47,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976400818] [2023-12-15 21:41:47,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:47,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:47,602 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:47,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772035866] [2023-12-15 21:41:47,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:47,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:47,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:47,603 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:47,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 21:41:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:47,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-15 21:41:47,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:47,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-12-15 21:41:47,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:47,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2023-12-15 21:41:48,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:48,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 46 [2023-12-15 21:41:48,167 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-15 21:41:48,167 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:41:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-15 21:41:48,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:48,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976400818] [2023-12-15 21:41:48,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:48,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772035866] [2023-12-15 21:41:48,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772035866] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 21:41:48,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:41:48,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2023-12-15 21:41:48,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580337811] [2023-12-15 21:41:48,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:48,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 21:41:48,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:48,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 21:41:48,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2023-12-15 21:41:48,353 INFO L87 Difference]: Start difference. First operand 94 states and 135 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:48,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:48,742 INFO L93 Difference]: Finished difference Result 245 states and 351 transitions. [2023-12-15 21:41:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 21:41:48,742 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 133 [2023-12-15 21:41:48,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:48,744 INFO L225 Difference]: With dead ends: 245 [2023-12-15 21:41:48,744 INFO L226 Difference]: Without dead ends: 152 [2023-12-15 21:41:48,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2023-12-15 21:41:48,745 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 132 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:48,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 689 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 21:41:48,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-12-15 21:41:48,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 112. [2023-12-15 21:41:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-15 21:41:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 162 transitions. [2023-12-15 21:41:48,752 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 162 transitions. Word has length 133 [2023-12-15 21:41:48,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:48,753 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 162 transitions. [2023-12-15 21:41:48,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:48,753 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 162 transitions. [2023-12-15 21:41:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-15 21:41:48,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:48,754 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:48,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:48,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:48,962 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:48,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:48,962 INFO L85 PathProgramCache]: Analyzing trace with hash 921958169, now seen corresponding path program 1 times [2023-12-15 21:41:48,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:48,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381180188] [2023-12-15 21:41:48,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:48,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:48,994 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:48,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210988027] [2023-12-15 21:41:48,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:48,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:48,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:49,006 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:49,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 21:41:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:49,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-15 21:41:49,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:49,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-15 21:41:49,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2023-12-15 21:41:49,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 25 [2023-12-15 21:41:49,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:49,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 16 [2023-12-15 21:41:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-12-15 21:41:49,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:49,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:49,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381180188] [2023-12-15 21:41:49,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:49,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210988027] [2023-12-15 21:41:49,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210988027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:49,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:49,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 21:41:49,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087288] [2023-12-15 21:41:49,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:49,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 21:41:49,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:49,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 21:41:49,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:41:49,316 INFO L87 Difference]: Start difference. First operand 112 states and 162 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 21:41:49,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:49,795 INFO L93 Difference]: Finished difference Result 357 states and 514 transitions. [2023-12-15 21:41:49,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:41:49,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2023-12-15 21:41:49,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:49,798 INFO L225 Difference]: With dead ends: 357 [2023-12-15 21:41:49,798 INFO L226 Difference]: Without dead ends: 246 [2023-12-15 21:41:49,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-15 21:41:49,799 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 299 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:49,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 288 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 21:41:49,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2023-12-15 21:41:49,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 160. [2023-12-15 21:41:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 125 states have (on average 1.328) internal successors, (166), 126 states have internal predecessors, (166), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-15 21:41:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 230 transitions. [2023-12-15 21:41:49,813 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 230 transitions. Word has length 134 [2023-12-15 21:41:49,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:49,813 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 230 transitions. [2023-12-15 21:41:49,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 21:41:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 230 transitions. [2023-12-15 21:41:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-15 21:41:49,814 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:49,815 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:49,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:50,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:50,021 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:50,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:50,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1344659995, now seen corresponding path program 1 times [2023-12-15 21:41:50,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:50,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406887313] [2023-12-15 21:41:50,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:50,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:50,061 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:50,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975566399] [2023-12-15 21:41:50,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:50,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:50,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:50,063 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:50,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-15 21:41:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:50,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-15 21:41:50,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:50,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:50,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 22 [2023-12-15 21:41:50,302 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:50,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 40 [2023-12-15 21:41:50,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:50,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 13 [2023-12-15 21:41:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-15 21:41:50,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:50,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:50,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406887313] [2023-12-15 21:41:50,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:50,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975566399] [2023-12-15 21:41:50,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975566399] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:50,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:50,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 21:41:50,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145612714] [2023-12-15 21:41:50,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:50,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 21:41:50,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:50,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 21:41:50,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:41:50,331 INFO L87 Difference]: Start difference. First operand 160 states and 230 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:50,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:50,878 INFO L93 Difference]: Finished difference Result 477 states and 671 transitions. [2023-12-15 21:41:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 21:41:50,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2023-12-15 21:41:50,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:50,882 INFO L225 Difference]: With dead ends: 477 [2023-12-15 21:41:50,882 INFO L226 Difference]: Without dead ends: 360 [2023-12-15 21:41:50,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-15 21:41:50,883 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 221 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:50,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 666 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 21:41:50,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-12-15 21:41:50,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 326. [2023-12-15 21:41:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 259 states have (on average 1.3011583011583012) internal successors, (337), 262 states have internal predecessors, (337), 61 states have call successors, (61), 5 states have call predecessors, (61), 5 states have return successors, (61), 58 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-15 21:41:50,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 459 transitions. [2023-12-15 21:41:50,905 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 459 transitions. Word has length 134 [2023-12-15 21:41:50,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:50,905 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 459 transitions. [2023-12-15 21:41:50,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:50,905 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 459 transitions. [2023-12-15 21:41:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-15 21:41:50,906 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:50,907 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:50,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:51,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-15 21:41:51,124 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:51,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:51,125 INFO L85 PathProgramCache]: Analyzing trace with hash 64796317, now seen corresponding path program 1 times [2023-12-15 21:41:51,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:51,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329725086] [2023-12-15 21:41:51,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:51,157 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:51,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [459709702] [2023-12-15 21:41:51,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:51,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:51,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:51,158 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:51,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-15 21:41:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:51,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-15 21:41:51,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:51,585 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:51,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 27 [2023-12-15 21:41:51,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:51,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 45 [2023-12-15 21:41:51,657 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:51,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 24 [2023-12-15 21:41:51,678 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-15 21:41:51,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:51,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:51,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329725086] [2023-12-15 21:41:51,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:51,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459709702] [2023-12-15 21:41:51,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459709702] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:51,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:51,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-15 21:41:51,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463107856] [2023-12-15 21:41:51,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:51,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 21:41:51,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:51,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 21:41:51,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-15 21:41:51,680 INFO L87 Difference]: Start difference. First operand 326 states and 459 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:52,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:52,433 INFO L93 Difference]: Finished difference Result 801 states and 1115 transitions. [2023-12-15 21:41:52,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-15 21:41:52,434 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2023-12-15 21:41:52,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:52,437 INFO L225 Difference]: With dead ends: 801 [2023-12-15 21:41:52,437 INFO L226 Difference]: Without dead ends: 518 [2023-12-15 21:41:52,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-12-15 21:41:52,438 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 223 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:52,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 524 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 21:41:52,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2023-12-15 21:41:52,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 263. [2023-12-15 21:41:52,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 212 states have (on average 1.3113207547169812) internal successors, (278), 214 states have internal predecessors, (278), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-15 21:41:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 370 transitions. [2023-12-15 21:41:52,463 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 370 transitions. Word has length 134 [2023-12-15 21:41:52,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:52,463 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 370 transitions. [2023-12-15 21:41:52,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-15 21:41:52,463 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 370 transitions. [2023-12-15 21:41:52,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-15 21:41:52,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:52,464 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:52,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:52,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:52,677 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:52,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1075913567, now seen corresponding path program 1 times [2023-12-15 21:41:52,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:52,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762408406] [2023-12-15 21:41:52,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:52,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:52,703 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:52,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1793738445] [2023-12-15 21:41:52,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:52,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:52,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:52,705 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:52,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-15 21:41:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:41:53,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 21:41:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:41:53,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 21:41:53,470 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 21:41:53,471 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 21:41:53,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:53,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-15 21:41:53,685 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:53,688 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 21:41:53,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:41:53 BoogieIcfgContainer [2023-12-15 21:41:53,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 21:41:53,757 INFO L158 Benchmark]: Toolchain (without parser) took 10990.57ms. Allocated memory was 199.2MB in the beginning and 253.8MB in the end (delta: 54.5MB). Free memory was 154.3MB in the beginning and 142.9MB in the end (delta: 11.4MB). Peak memory consumption was 66.6MB. Max. memory is 8.0GB. [2023-12-15 21:41:53,757 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 199.2MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:41:53,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.25ms. Allocated memory is still 199.2MB. Free memory was 154.3MB in the beginning and 137.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-15 21:41:53,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.52ms. Allocated memory is still 199.2MB. Free memory was 137.8MB in the beginning and 133.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-15 21:41:53,758 INFO L158 Benchmark]: Boogie Preprocessor took 92.20ms. Allocated memory is still 199.2MB. Free memory was 133.7MB in the beginning and 129.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-15 21:41:53,758 INFO L158 Benchmark]: RCFGBuilder took 669.60ms. Allocated memory is still 199.2MB. Free memory was 128.8MB in the beginning and 158.6MB in the end (delta: -29.8MB). Peak memory consumption was 20.5MB. Max. memory is 8.0GB. [2023-12-15 21:41:53,758 INFO L158 Benchmark]: TraceAbstraction took 9850.71ms. Allocated memory was 199.2MB in the beginning and 253.8MB in the end (delta: 54.5MB). Free memory was 158.1MB in the beginning and 142.9MB in the end (delta: 15.2MB). Peak memory consumption was 70.2MB. Max. memory is 8.0GB. [2023-12-15 21:41:53,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 199.2MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 293.25ms. Allocated memory is still 199.2MB. Free memory was 154.3MB in the beginning and 137.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 79.52ms. Allocated memory is still 199.2MB. Free memory was 137.8MB in the beginning and 133.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 92.20ms. Allocated memory is still 199.2MB. Free memory was 133.7MB in the beginning and 129.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 669.60ms. Allocated memory is still 199.2MB. Free memory was 128.8MB in the beginning and 158.6MB in the end (delta: -29.8MB). Peak memory consumption was 20.5MB. Max. memory is 8.0GB. * TraceAbstraction took 9850.71ms. Allocated memory was 199.2MB in the beginning and 253.8MB in the end (delta: 54.5MB). Free memory was 158.1MB in the beginning and 142.9MB in the end (delta: 15.2MB). Peak memory consumption was 70.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryFLOATComparisonOperation at line 107. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L55] signed long int last_1_WrapperStruct00_var_1_8 = -100; [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L113] EXPR WrapperStruct00.var_1_8 [L113] last_1_WrapperStruct00_var_1_8 = WrapperStruct00.var_1_8 [L123] RET updateLastVariables() [L124] CALL updateVariables() [L85] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L86] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L87] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L88] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct00.var_1_10 [L89] EXPR WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L89] EXPR WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L89] EXPR WrapperStruct00.var_1_10 [L89] EXPR WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L89] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L89] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L89] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L89] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L90] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_10 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_10 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L91] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L93] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 255) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 255) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L94] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L96] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L97] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L98] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L99] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L100] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L101] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L102] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L103] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L104] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L105] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L106] WrapperStruct00.var_1_19 = __VERIFIER_nondet_float() [L107] EXPR WrapperStruct00.var_1_19 [L107] EXPR WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L107] EXPR WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_19 [L107] EXPR WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L107] EXPR (WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L107] EXPR (WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L107] RET assume_abort_if_not((WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L108] WrapperStruct00.var_1_21 = __VERIFIER_nondet_char() [L109] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_21 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_21 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L110] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_21 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_21 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L124] RET updateVariables() [L125] CALL step() [L59] EXPR WrapperStruct00.var_1_19 [L59] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_19 [L60] EXPR WrapperStruct00.var_1_21 [L60] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_21 [L61] EXPR WrapperStruct00.var_1_18 [L61] EXPR WrapperStruct00.var_1_10 [L61] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L61] COND FALSE !((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) [L64] EXPR WrapperStruct00.var_1_18 [L64] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L64] COND TRUE WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10 [L65] WrapperStruct00.var_1_8 = 256 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L70] EXPR WrapperStruct00.var_1_8 [L70] EXPR WrapperStruct00.var_1_20 [L70] EXPR WrapperStruct00.var_1_8 [L70] signed long int stepLocal_0 = (WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8; [L71] EXPR WrapperStruct00.var_1_20 [L71] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L71] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) [L71] EXPR WrapperStruct00.var_1_8 [L71] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100, stepLocal_0=-196608] [L71] COND TRUE stepLocal_0 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8))) [L72] EXPR WrapperStruct00.var_1_7 [L72] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_7 [L76] EXPR WrapperStruct00.var_1_1 [L76] EXPR WrapperStruct00.var_1_13 [L76] EXPR WrapperStruct00.var_1_14 [L76] (WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100, stepLocal_0=-196608] [L76] (WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L76] COND FALSE !((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) [L81] EXPR WrapperStruct00.var_1_17 [L81] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_17 [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR (((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) [L116] EXPR WrapperStruct00.var_1_1 [L116] EXPR WrapperStruct00.var_1_7 [L116] EXPR (((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20)))) [L116] EXPR WrapperStruct00.var_1_18 [L116] EXPR WrapperStruct00.var_1_10 [L116] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))) [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR WrapperStruct00.var_1_7 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR ((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR (((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR (((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR (((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((signed char) WrapperStruct00.var_1_21)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR (((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((signed char) WrapperStruct00.var_1_21)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116-L117] return (((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((signed char) WrapperStruct00.var_1_21)) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 10, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 977 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 976 mSDsluCounter, 3715 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2558 mSDsCounter, 129 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2271 IncrementalHoareTripleChecker+Invalid, 2400 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 129 mSolverCounterUnsat, 1157 mSDtfsCounter, 2271 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1459 GetRequests, 1399 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=8, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 427 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1586 NumberOfCodeBlocks, 1586 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1443 ConstructedInterpolants, 0 QuantifiedInterpolants, 3212 SizeOfPredicates, 50 NumberOfNonLiveVariables, 4102 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 5888/5984 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-15 21:41:53,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...