./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08148e8c3c8eecfc4014e5c0b3637b2b2d997939cef63f1309d0f584d4ec63a9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 13:56:08,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 13:56:08,485 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 13:56:08,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 13:56:08,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 13:56:08,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 13:56:08,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 13:56:08,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 13:56:08,511 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 13:56:08,514 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 13:56:08,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 13:56:08,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 13:56:08,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 13:56:08,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 13:56:08,515 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 13:56:08,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 13:56:08,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 13:56:08,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 13:56:08,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 13:56:08,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 13:56:08,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 13:56:08,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 13:56:08,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 13:56:08,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 13:56:08,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 13:56:08,519 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 13:56:08,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 13:56:08,519 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 13:56:08,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 13:56:08,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 13:56:08,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 13:56:08,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 13:56:08,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 13:56:08,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 13:56:08,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 13:56:08,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 13:56:08,521 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 13:56:08,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 13:56:08,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 13:56:08,522 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 13:56:08,522 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 13:56:08,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 13:56:08,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08148e8c3c8eecfc4014e5c0b3637b2b2d997939cef63f1309d0f584d4ec63a9 [2024-10-14 13:56:08,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 13:56:08,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 13:56:08,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 13:56:08,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 13:56:08,745 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 13:56:08,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i [2024-10-14 13:56:09,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 13:56:10,135 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 13:56:10,135 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i [2024-10-14 13:56:10,145 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1503d3750/e2640f265ce24965a144bec2675249cc/FLAG7ae8bf00e [2024-10-14 13:56:10,158 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1503d3750/e2640f265ce24965a144bec2675249cc [2024-10-14 13:56:10,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 13:56:10,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 13:56:10,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 13:56:10,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 13:56:10,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 13:56:10,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af3389d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10, skipping insertion in model container [2024-10-14 13:56:10,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 13:56:10,308 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i[916,929] [2024-10-14 13:56:10,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 13:56:10,352 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 13:56:10,360 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i[916,929] [2024-10-14 13:56:10,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 13:56:10,402 INFO L204 MainTranslator]: Completed translation [2024-10-14 13:56:10,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10 WrapperNode [2024-10-14 13:56:10,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 13:56:10,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 13:56:10,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 13:56:10,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 13:56:10,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,445 INFO L138 Inliner]: procedures = 29, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 396 [2024-10-14 13:56:10,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 13:56:10,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 13:56:10,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 13:56:10,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 13:56:10,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,474 INFO L175 MemorySlicer]: Split 111 memory accesses to 2 slices as follows [2, 109]. 98 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 12]. The 17 writes are split as follows [0, 17]. [2024-10-14 13:56:10,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 13:56:10,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 13:56:10,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 13:56:10,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 13:56:10,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (1/1) ... [2024-10-14 13:56:10,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 13:56:10,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 13:56:10,541 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) [2024-10-14 13:56:10,544 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 [2024-10-14 13:56:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 13:56:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-14 13:56:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-14 13:56:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 13:56:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 13:56:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-14 13:56:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-14 13:56:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 13:56:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 13:56:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-14 13:56:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-14 13:56:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 13:56:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 13:56:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 13:56:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 13:56:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 13:56:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 13:56:10,661 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 13:56:10,662 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 13:56:10,990 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-10-14 13:56:10,990 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 13:56:11,020 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 13:56:11,020 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 13:56:11,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:56:11 BoogieIcfgContainer [2024-10-14 13:56:11,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 13:56:11,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 13:56:11,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 13:56:11,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 13:56:11,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 01:56:10" (1/3) ... [2024-10-14 13:56:11,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260b3d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:56:11, skipping insertion in model container [2024-10-14 13:56:11,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:10" (2/3) ... [2024-10-14 13:56:11,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260b3d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:56:11, skipping insertion in model container [2024-10-14 13:56:11,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:56:11" (3/3) ... [2024-10-14 13:56:11,031 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-41.i [2024-10-14 13:56:11,045 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 13:56:11,046 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 13:56:11,095 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 13:56:11,100 INFO L333 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, 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;@2bb9611e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 13:56:11,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 13:56:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 66 states have internal predecessors, (94), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 13:56:11,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 13:56:11,111 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:11,111 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:11,111 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:11,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:11,115 INFO L85 PathProgramCache]: Analyzing trace with hash -689926641, now seen corresponding path program 1 times [2024-10-14 13:56:11,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:56:11,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075684790] [2024-10-14 13:56:11,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:11,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:56:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:56:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:56:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:56:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:56:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:56:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:56:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:56:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:56:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 13:56:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 13:56:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 13:56:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 13:56:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 13:56:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 13:56:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 13:56:11,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:56:11,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075684790] [2024-10-14 13:56:11,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075684790] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:56:11,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:56:11,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 13:56:11,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578215557] [2024-10-14 13:56:11,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:56:11,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 13:56:11,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:56:11,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 13:56:11,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 13:56:11,402 INFO L87 Difference]: Start difference. First operand has 82 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 66 states have internal predecessors, (94), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 13:56:11,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:56:11,433 INFO L93 Difference]: Finished difference Result 157 states and 250 transitions. [2024-10-14 13:56:11,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 13:56:11,435 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2024-10-14 13:56:11,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:56:11,441 INFO L225 Difference]: With dead ends: 157 [2024-10-14 13:56:11,441 INFO L226 Difference]: Without dead ends: 76 [2024-10-14 13:56:11,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 13:56:11,449 INFO L432 NwaCegarLoop]: 106 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, 106 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 [2024-10-14 13:56:11,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:56:11,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-14 13:56:11,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-10-14 13:56:11,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 60 states have internal predecessors, (82), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 13:56:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 110 transitions. [2024-10-14 13:56:11,486 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 110 transitions. Word has length 109 [2024-10-14 13:56:11,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:56:11,488 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 110 transitions. [2024-10-14 13:56:11,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 13:56:11,488 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2024-10-14 13:56:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 13:56:11,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:11,491 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:11,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 13:56:11,492 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:11,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:11,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1313593619, now seen corresponding path program 1 times [2024-10-14 13:56:11,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:56:11,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711370198] [2024-10-14 13:56:11,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:11,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:56:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:56:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:56:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:56:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:56:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:56:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:56:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:56:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:56:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 13:56:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 13:56:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 13:56:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 13:56:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 13:56:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 13:56:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 13:56:11,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:56:11,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711370198] [2024-10-14 13:56:11,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711370198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:56:11,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:56:11,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 13:56:11,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098588023] [2024-10-14 13:56:11,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:56:11,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 13:56:11,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:56:11,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 13:56:11,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 13:56:11,790 INFO L87 Difference]: Start difference. First operand 76 states and 110 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:11,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:56:11,822 INFO L93 Difference]: Finished difference Result 154 states and 223 transitions. [2024-10-14 13:56:11,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 13:56:11,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 109 [2024-10-14 13:56:11,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:56:11,824 INFO L225 Difference]: With dead ends: 154 [2024-10-14 13:56:11,824 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 13:56:11,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 13:56:11,825 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:56:11,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 302 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:56:11,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 13:56:11,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-10-14 13:56:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 62 states have internal predecessors, (84), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 13:56:11,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 112 transitions. [2024-10-14 13:56:11,836 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 112 transitions. Word has length 109 [2024-10-14 13:56:11,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:56:11,838 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 112 transitions. [2024-10-14 13:56:11,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2024-10-14 13:56:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 13:56:11,841 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:11,841 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:11,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 13:56:11,842 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:11,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:11,842 INFO L85 PathProgramCache]: Analyzing trace with hash 504246993, now seen corresponding path program 1 times [2024-10-14 13:56:11,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:56:11,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730272919] [2024-10-14 13:56:11,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:11,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:56:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:56:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:56:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:56:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:56:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:56:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:56:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:56:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:56:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 13:56:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 13:56:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 13:56:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 13:56:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 13:56:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 13:56:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,214 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 13:56:12,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:56:12,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730272919] [2024-10-14 13:56:12,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730272919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:56:12,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:56:12,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:56:12,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348473090] [2024-10-14 13:56:12,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:56:12,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:56:12,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:56:12,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:56:12,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:56:12,217 INFO L87 Difference]: Start difference. First operand 78 states and 112 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:12,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:56:12,385 INFO L93 Difference]: Finished difference Result 189 states and 268 transitions. [2024-10-14 13:56:12,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:56:12,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 109 [2024-10-14 13:56:12,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:56:12,388 INFO L225 Difference]: With dead ends: 189 [2024-10-14 13:56:12,389 INFO L226 Difference]: Without dead ends: 112 [2024-10-14 13:56:12,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 13:56:12,390 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 41 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:56:12,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 404 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:56:12,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-14 13:56:12,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2024-10-14 13:56:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 91 states have internal predecessors, (122), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 13:56:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 154 transitions. [2024-10-14 13:56:12,405 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 154 transitions. Word has length 109 [2024-10-14 13:56:12,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:56:12,407 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 154 transitions. [2024-10-14 13:56:12,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2024-10-14 13:56:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-14 13:56:12,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:12,409 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:12,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 13:56:12,409 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:12,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:12,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1581507689, now seen corresponding path program 1 times [2024-10-14 13:56:12,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:56:12,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635467959] [2024-10-14 13:56:12,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:12,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:56:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:56:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:56:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:56:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:56:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:56:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:56:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:56:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:56:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 13:56:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 13:56:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 13:56:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 13:56:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 13:56:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 13:56:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 13:56:12,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:56:12,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635467959] [2024-10-14 13:56:12,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635467959] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:56:12,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:56:12,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 13:56:12,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524325506] [2024-10-14 13:56:12,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:56:12,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 13:56:12,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:56:12,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 13:56:12,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:56:12,592 INFO L87 Difference]: Start difference. First operand 109 states and 154 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:12,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:56:12,610 INFO L93 Difference]: Finished difference Result 189 states and 266 transitions. [2024-10-14 13:56:12,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 13:56:12,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 110 [2024-10-14 13:56:12,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:56:12,615 INFO L225 Difference]: With dead ends: 189 [2024-10-14 13:56:12,615 INFO L226 Difference]: Without dead ends: 81 [2024-10-14 13:56:12,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:56:12,618 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:56:12,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:56:12,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-14 13:56:12,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-10-14 13:56:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 63 states have internal predecessors, (80), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 13:56:12,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 112 transitions. [2024-10-14 13:56:12,628 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 112 transitions. Word has length 110 [2024-10-14 13:56:12,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:56:12,628 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 112 transitions. [2024-10-14 13:56:12,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:12,628 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2024-10-14 13:56:12,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-14 13:56:12,632 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:12,632 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:12,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 13:56:12,632 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:12,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:12,633 INFO L85 PathProgramCache]: Analyzing trace with hash 604054712, now seen corresponding path program 1 times [2024-10-14 13:56:12,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:56:12,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920878456] [2024-10-14 13:56:12,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:12,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:56:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 13:56:12,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 13:56:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 13:56:12,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 13:56:12,844 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 13:56:12,845 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 13:56:12,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 13:56:12,849 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-14 13:56:12,899 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 13:56:12,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 01:56:12 BoogieIcfgContainer [2024-10-14 13:56:12,903 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 13:56:12,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 13:56:12,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 13:56:12,904 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 13:56:12,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:56:11" (3/4) ... [2024-10-14 13:56:12,907 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 13:56:12,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 13:56:12,909 INFO L158 Benchmark]: Toolchain (without parser) took 2747.20ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 120.2MB in the beginning and 125.2MB in the end (delta: -5.0MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2024-10-14 13:56:12,909 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 13:56:12,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.10ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 104.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 13:56:12,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.33ms. Allocated memory is still 167.8MB. Free memory was 104.0MB in the beginning and 100.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 13:56:12,910 INFO L158 Benchmark]: Boogie Preprocessor took 47.00ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 95.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 13:56:12,910 INFO L158 Benchmark]: RCFGBuilder took 527.00ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 125.8MB in the end (delta: -30.1MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-10-14 13:56:12,910 INFO L158 Benchmark]: TraceAbstraction took 1877.73ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 124.9MB in the beginning and 125.2MB in the end (delta: -263.2kB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2024-10-14 13:56:12,910 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 255.9MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 13:56:12,915 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.10ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 104.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.33ms. Allocated memory is still 167.8MB. Free memory was 104.0MB in the beginning and 100.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.00ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 95.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 527.00ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 125.8MB in the end (delta: -30.1MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1877.73ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 124.9MB in the beginning and 125.2MB in the end (delta: -263.2kB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 255.9MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * 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 112, overapproximation of someBinaryArithmeticDOUBLEoperation at line 58. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L51] signed char last_1_WrapperStruct00_var_1_1 = -16; [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] CALL updateLastVariables() [L109] EXPR WrapperStruct00.var_1_1 [L109] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L119] RET updateLastVariables() [L120] CALL updateVariables() [L86] WrapperStruct00.var_1_5 = __VERIFIER_nondet_uchar() [L87] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L88] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L89] WrapperStruct00.var_1_6 = __VERIFIER_nondet_char() [L90] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= -31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= -31) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L91] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 31) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L92] WrapperStruct00.var_1_7 = __VERIFIER_nondet_char() [L93] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L94] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L95] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L97] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L98] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L99] EXPR WrapperStruct00.var_1_13 [L99] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L99] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L99] EXPR WrapperStruct00.var_1_13 [L99] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L99] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L99] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L99] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L100] WrapperStruct00.var_1_15 = __VERIFIER_nondet_char() [L101] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= -128) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= -128) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L102] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L103] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_15 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_15 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L104] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L105] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L106] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L120] RET updateVariables() [L121] CALL step() [L55] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L55] COND TRUE WrapperStruct00.var_1_5 && (last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) [L56] EXPR WrapperStruct00.var_1_17 [L56] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_17 [L58] EXPR WrapperStruct00.var_1_13 [L58] WrapperStruct00.var_1_12 = (WrapperStruct00.var_1_13 - 8.3) [L59] EXPR WrapperStruct00.var_1_13 [L59] EXPR WrapperStruct00.var_1_12 [L59] unsigned char stepLocal_1 = WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12; [L60] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L60] COND TRUE WrapperStruct00.var_1_5 && stepLocal_1 [L61] EXPR WrapperStruct00.var_1_16 [L61] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_16 [L65] WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L65] COND TRUE WrapperStruct00.var_1_5 [L66] EXPR WrapperStruct00.var_1_16 [L66] EXPR WrapperStruct00.var_1_16 [L66] WrapperStruct00.var_1_8 = (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16) [L74] EXPR WrapperStruct00.var_1_8 [L74] EXPR WrapperStruct00.var_1_16 [L74] unsigned long int stepLocal_0 = (WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16; [L75] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L75] COND FALSE !(stepLocal_0 > WrapperStruct00.var_1_8) [L82] EXPR WrapperStruct00.var_1_6 [L82] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_6 [L121] RET step() [L122] CALL, EXPR property() [L112] EXPR WrapperStruct00.var_1_8 [L112] EXPR WrapperStruct00.var_1_16 [L112] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR (((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6)) [L112] EXPR WrapperStruct00.var_1_1 [L112] EXPR WrapperStruct00.var_1_6 [L112] EXPR (((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR ((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR ((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)))) [L112] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))) [L112] EXPR WrapperStruct00.var_1_8 [L112] EXPR WrapperStruct00.var_1_16 [L112] EXPR WrapperStruct00.var_1_16 [L112] EXPR WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR ((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR (((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR (((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3))) [L112] EXPR WrapperStruct00.var_1_12 [L112] EXPR WrapperStruct00.var_1_13 [L112] EXPR (((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR ((((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3)))) && ((WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR ((((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3)))) && ((WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR (((((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3)))) && ((WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15)))) && ((WrapperStruct00.var_1_5 && (last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112] EXPR (((((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3)))) && ((WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15)))) && ((WrapperStruct00.var_1_5 && (last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L112-L113] return (((((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3)))) && ((WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15)))) && ((WrapperStruct00.var_1_5 && (last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : 1) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 1006 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 582 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 170 IncrementalHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 424 mSDtfsCounter, 170 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 548 NumberOfCodeBlocks, 548 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 433 ConstructedInterpolants, 0 QuantifiedInterpolants, 464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 1456/1456 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 [2024-10-14 13:56:12,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08148e8c3c8eecfc4014e5c0b3637b2b2d997939cef63f1309d0f584d4ec63a9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 13:56:14,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 13:56:14,687 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 13:56:14,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 13:56:14,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 13:56:14,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 13:56:14,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 13:56:14,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 13:56:14,716 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 13:56:14,716 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 13:56:14,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 13:56:14,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 13:56:14,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 13:56:14,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 13:56:14,717 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 13:56:14,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 13:56:14,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 13:56:14,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 13:56:14,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 13:56:14,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 13:56:14,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 13:56:14,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 13:56:14,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 13:56:14,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 13:56:14,720 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 13:56:14,720 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 13:56:14,721 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 13:56:14,721 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 13:56:14,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 13:56:14,721 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 13:56:14,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 13:56:14,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 13:56:14,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 13:56:14,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 13:56:14,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 13:56:14,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 13:56:14,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 13:56:14,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 13:56:14,723 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 13:56:14,723 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 13:56:14,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 13:56:14,725 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 13:56:14,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 13:56:14,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 13:56:14,726 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 13:56:14,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08148e8c3c8eecfc4014e5c0b3637b2b2d997939cef63f1309d0f584d4ec63a9 [2024-10-14 13:56:14,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 13:56:14,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 13:56:14,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 13:56:14,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 13:56:14,978 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 13:56:14,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i [2024-10-14 13:56:16,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 13:56:16,303 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 13:56:16,304 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i [2024-10-14 13:56:16,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43f73819/84dc1242451c48ab82c238a90fc5267c/FLAG68a67c4a3 [2024-10-14 13:56:16,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43f73819/84dc1242451c48ab82c238a90fc5267c [2024-10-14 13:56:16,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 13:56:16,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 13:56:16,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 13:56:16,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 13:56:16,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 13:56:16,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:56:16" (1/1) ... [2024-10-14 13:56:16,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c9fdd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:16, skipping insertion in model container [2024-10-14 13:56:16,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:56:16" (1/1) ... [2024-10-14 13:56:16,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 13:56:16,865 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i[916,929] [2024-10-14 13:56:16,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 13:56:16,936 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 13:56:16,948 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i[916,929] [2024-10-14 13:56:16,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 13:56:17,009 INFO L204 MainTranslator]: Completed translation [2024-10-14 13:56:17,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17 WrapperNode [2024-10-14 13:56:17,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 13:56:17,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 13:56:17,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 13:56:17,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 13:56:17,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,068 INFO L138 Inliner]: procedures = 36, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 393 [2024-10-14 13:56:17,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 13:56:17,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 13:56:17,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 13:56:17,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 13:56:17,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,087 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,103 INFO L175 MemorySlicer]: Split 111 memory accesses to 2 slices as follows [2, 109]. 98 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 12]. The 17 writes are split as follows [0, 17]. [2024-10-14 13:56:17,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 13:56:17,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 13:56:17,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 13:56:17,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 13:56:17,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (1/1) ... [2024-10-14 13:56:17,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 13:56:17,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 13:56:17,171 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) [2024-10-14 13:56:17,173 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 [2024-10-14 13:56:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 13:56:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-14 13:56:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-14 13:56:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-10-14 13:56:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 13:56:17,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 13:56:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 13:56:17,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 13:56:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-10-14 13:56:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-10-14 13:56:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-10-14 13:56:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-10-14 13:56:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-14 13:56:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-14 13:56:17,292 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 13:56:17,293 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 13:56:17,843 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-10-14 13:56:17,843 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 13:56:17,876 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 13:56:17,876 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 13:56:17,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:56:17 BoogieIcfgContainer [2024-10-14 13:56:17,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 13:56:17,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 13:56:17,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 13:56:17,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 13:56:17,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 01:56:16" (1/3) ... [2024-10-14 13:56:17,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b1b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:56:17, skipping insertion in model container [2024-10-14 13:56:17,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:56:17" (2/3) ... [2024-10-14 13:56:17,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b1b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:56:17, skipping insertion in model container [2024-10-14 13:56:17,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:56:17" (3/3) ... [2024-10-14 13:56:17,884 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-41.i [2024-10-14 13:56:17,905 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 13:56:17,905 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 13:56:17,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 13:56:17,955 INFO L333 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, 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;@1619b9cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 13:56:17,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 13:56:17,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 66 states have internal predecessors, (94), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 13:56:17,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 13:56:17,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:17,967 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:17,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:17,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:17,971 INFO L85 PathProgramCache]: Analyzing trace with hash -689926641, now seen corresponding path program 1 times [2024-10-14 13:56:17,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 13:56:17,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698121283] [2024-10-14 13:56:17,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:17,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:17,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 13:56:17,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 13:56:17,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 13:56:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:18,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 13:56:18,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 13:56:18,288 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-10-14 13:56:18,288 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 13:56:18,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 13:56:18,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698121283] [2024-10-14 13:56:18,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698121283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:56:18,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:56:18,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 13:56:18,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873402167] [2024-10-14 13:56:18,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:56:18,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 13:56:18,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 13:56:18,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 13:56:18,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 13:56:18,317 INFO L87 Difference]: Start difference. First operand has 82 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 66 states have internal predecessors, (94), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 13:56:18,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:56:18,360 INFO L93 Difference]: Finished difference Result 157 states and 250 transitions. [2024-10-14 13:56:18,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 13:56:18,362 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2024-10-14 13:56:18,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:56:18,367 INFO L225 Difference]: With dead ends: 157 [2024-10-14 13:56:18,367 INFO L226 Difference]: Without dead ends: 76 [2024-10-14 13:56:18,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 13:56:18,373 INFO L432 NwaCegarLoop]: 106 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, 106 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 [2024-10-14 13:56:18,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:56:18,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-14 13:56:18,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-10-14 13:56:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 60 states have internal predecessors, (82), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 13:56:18,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 110 transitions. [2024-10-14 13:56:18,415 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 110 transitions. Word has length 109 [2024-10-14 13:56:18,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:56:18,416 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 110 transitions. [2024-10-14 13:56:18,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 13:56:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2024-10-14 13:56:18,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 13:56:18,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:18,422 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:18,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-14 13:56:18,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:18,623 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:18,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:18,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1313593619, now seen corresponding path program 1 times [2024-10-14 13:56:18,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 13:56:18,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237890435] [2024-10-14 13:56:18,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:18,626 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:18,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 13:56:18,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 13:56:18,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 13:56:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:18,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 13:56:18,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 13:56:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 13:56:18,933 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 13:56:18,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 13:56:18,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237890435] [2024-10-14 13:56:18,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237890435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:56:18,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:56:18,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 13:56:18,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330982001] [2024-10-14 13:56:18,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:56:18,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 13:56:18,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 13:56:18,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 13:56:18,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 13:56:18,937 INFO L87 Difference]: Start difference. First operand 76 states and 110 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:19,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:56:19,092 INFO L93 Difference]: Finished difference Result 154 states and 223 transitions. [2024-10-14 13:56:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 13:56:19,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 109 [2024-10-14 13:56:19,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:56:19,094 INFO L225 Difference]: With dead ends: 154 [2024-10-14 13:56:19,094 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 13:56:19,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 13:56:19,095 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:56:19,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 302 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:56:19,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 13:56:19,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-10-14 13:56:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 62 states have internal predecessors, (84), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 13:56:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 112 transitions. [2024-10-14 13:56:19,103 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 112 transitions. Word has length 109 [2024-10-14 13:56:19,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:56:19,104 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 112 transitions. [2024-10-14 13:56:19,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2024-10-14 13:56:19,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 13:56:19,106 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:19,106 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:19,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-14 13:56:19,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:19,307 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:19,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:19,308 INFO L85 PathProgramCache]: Analyzing trace with hash 504246993, now seen corresponding path program 1 times [2024-10-14 13:56:19,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 13:56:19,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909789064] [2024-10-14 13:56:19,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:19,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:19,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 13:56:19,311 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 13:56:19,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-14 13:56:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:19,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 13:56:19,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 13:56:19,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:19,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 173 treesize of output 65 [2024-10-14 13:56:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-14 13:56:19,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 13:56:19,757 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 13:56:19,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909789064] [2024-10-14 13:56:19,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909789064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:56:19,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:56:19,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:56:19,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808392823] [2024-10-14 13:56:19,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:56:19,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 13:56:19,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 13:56:19,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 13:56:19,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:56:19,763 INFO L87 Difference]: Start difference. First operand 78 states and 112 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 13:56:20,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:56:20,248 INFO L93 Difference]: Finished difference Result 156 states and 224 transitions. [2024-10-14 13:56:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 13:56:20,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2024-10-14 13:56:20,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:56:20,250 INFO L225 Difference]: With dead ends: 156 [2024-10-14 13:56:20,250 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 13:56:20,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-14 13:56:20,251 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 80 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 13:56:20,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 314 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 13:56:20,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 13:56:20,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-10-14 13:56:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 62 states have internal predecessors, (83), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 13:56:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2024-10-14 13:56:20,258 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 109 [2024-10-14 13:56:20,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:56:20,259 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2024-10-14 13:56:20,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 13:56:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2024-10-14 13:56:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-14 13:56:20,260 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:20,260 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:20,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-14 13:56:20,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:20,465 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:20,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:20,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1907656361, now seen corresponding path program 1 times [2024-10-14 13:56:20,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 13:56:20,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777447062] [2024-10-14 13:56:20,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:20,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:20,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 13:56:20,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 13:56:20,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-14 13:56:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:20,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-14 13:56:20,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 13:56:20,731 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 14 treesize of output 10 [2024-10-14 13:56:21,044 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 52 treesize of output 24 [2024-10-14 13:56:21,194 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 47 treesize of output 34 [2024-10-14 13:56:21,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:21,405 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 51 treesize of output 27 [2024-10-14 13:56:21,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:21,564 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 35 treesize of output 37 [2024-10-14 13:56:21,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:21,892 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 50 treesize of output 40 [2024-10-14 13:56:22,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:22,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 52 treesize of output 60 [2024-10-14 13:56:22,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:22,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 73 [2024-10-14 13:56:23,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:23,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 77 treesize of output 76 [2024-10-14 13:56:24,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:24,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 83 treesize of output 91 [2024-10-14 13:56:24,197 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:24,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 100 treesize of output 105 [2024-10-14 13:56:24,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:24,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 140 treesize of output 62 [2024-10-14 13:56:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 244 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 13:56:24,437 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 13:56:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 13:56:24,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 13:56:24,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777447062] [2024-10-14 13:56:24,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777447062] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 13:56:24,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 13:56:24,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 21 [2024-10-14 13:56:24,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938452386] [2024-10-14 13:56:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:56:24,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:56:24,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 13:56:24,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:56:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=331, Unknown=1, NotChecked=0, Total=420 [2024-10-14 13:56:24,574 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:24,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:56:24,954 INFO L93 Difference]: Finished difference Result 189 states and 266 transitions. [2024-10-14 13:56:24,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:56:24,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 111 [2024-10-14 13:56:24,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:56:24,956 INFO L225 Difference]: With dead ends: 189 [2024-10-14 13:56:24,956 INFO L226 Difference]: Without dead ends: 112 [2024-10-14 13:56:24,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=96, Invalid=409, Unknown=1, NotChecked=0, Total=506 [2024-10-14 13:56:24,958 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 41 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:56:24,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 400 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 13:56:24,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-14 13:56:24,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2024-10-14 13:56:24,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 90 states have (on average 1.3444444444444446) internal successors, (121), 91 states have internal predecessors, (121), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 13:56:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 153 transitions. [2024-10-14 13:56:24,972 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 153 transitions. Word has length 111 [2024-10-14 13:56:24,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:56:24,975 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 153 transitions. [2024-10-14 13:56:24,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2024-10-14 13:56:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 13:56:24,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:24,977 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:24,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-10-14 13:56:25,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:25,178 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:25,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:25,179 INFO L85 PathProgramCache]: Analyzing trace with hash -173052253, now seen corresponding path program 1 times [2024-10-14 13:56:25,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 13:56:25,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626960010] [2024-10-14 13:56:25,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:25,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:25,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 13:56:25,181 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 13:56:25,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-14 13:56:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:25,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 13:56:25,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 13:56:25,366 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 13:56:25,366 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 13:56:25,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 13:56:25,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626960010] [2024-10-14 13:56:25,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626960010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:56:25,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:56:25,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 13:56:25,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880114380] [2024-10-14 13:56:25,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:56:25,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 13:56:25,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 13:56:25,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 13:56:25,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:56:25,370 INFO L87 Difference]: Start difference. First operand 109 states and 153 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:25,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:56:25,389 INFO L93 Difference]: Finished difference Result 189 states and 264 transitions. [2024-10-14 13:56:25,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 13:56:25,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 112 [2024-10-14 13:56:25,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:56:25,392 INFO L225 Difference]: With dead ends: 189 [2024-10-14 13:56:25,392 INFO L226 Difference]: Without dead ends: 81 [2024-10-14 13:56:25,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:56:25,393 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:56:25,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:56:25,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-14 13:56:25,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-10-14 13:56:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 62 states have (on average 1.2741935483870968) internal successors, (79), 63 states have internal predecessors, (79), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 13:56:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 111 transitions. [2024-10-14 13:56:25,402 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 111 transitions. Word has length 112 [2024-10-14 13:56:25,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:56:25,402 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 111 transitions. [2024-10-14 13:56:25,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:56:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2024-10-14 13:56:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-14 13:56:25,403 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:56:25,403 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:56:25,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-10-14 13:56:25,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:25,604 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:56:25,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:56:25,605 INFO L85 PathProgramCache]: Analyzing trace with hash 2047271358, now seen corresponding path program 1 times [2024-10-14 13:56:25,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 13:56:25,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829936383] [2024-10-14 13:56:25,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:56:25,605 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 13:56:25,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 13:56:25,608 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 13:56:25,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-14 13:56:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:56:37,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-14 13:56:37,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 13:56:37,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 10 [2024-10-14 13:56:38,469 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:38,469 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 140 treesize of output 61 [2024-10-14 13:56:38,843 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:38,844 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 135 treesize of output 71 [2024-10-14 13:56:39,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:39,237 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 152 treesize of output 85 [2024-10-14 13:56:39,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 135 [2024-10-14 13:56:44,076 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:44,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 150 [2024-10-14 13:56:47,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:47,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 165 [2024-10-14 13:56:50,881 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:50,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 216 treesize of output 168 [2024-10-14 13:56:58,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 13:56:58,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 416 treesize of output 176 [2024-10-14 13:56:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 221 proven. 15 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-10-14 13:56:59,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 13:57:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 13:57:27,230 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 13:57:27,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829936383] [2024-10-14 13:57:27,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1829936383] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 13:57:27,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 13:57:27,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [18] total 21 [2024-10-14 13:57:27,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36159472] [2024-10-14 13:57:27,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:57:27,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 13:57:27,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 13:57:27,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 13:57:27,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=324, Unknown=4, NotChecked=0, Total=420 [2024-10-14 13:57:27,231 INFO L87 Difference]: Start difference. First operand 81 states and 111 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-14 13:57:31,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 13:57:36,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 13:57:40,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 13:57:44,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 13:57:46,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []