./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_loopvsstraightlinecode_25-1loop_file-71.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_loopvsstraightlinecode_25-1loop_file-71.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 6d3b9aeb878380bdc771becb29ac1261e3f51b87c750ca0ae0ce079e64216b40 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 11:38:54,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 11:38:54,592 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 11:38:54,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 11:38:54,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 11:38:54,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 11:38:54,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 11:38:54,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 11:38:54,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 11:38:54,635 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 11:38:54,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 11:38:54,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 11:38:54,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 11:38:54,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 11:38:54,639 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 11:38:54,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 11:38:54,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 11:38:54,640 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 11:38:54,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 11:38:54,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 11:38:54,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 11:38:54,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 11:38:54,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 11:38:54,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 11:38:54,642 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 11:38:54,642 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 11:38:54,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 11:38:54,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 11:38:54,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 11:38:54,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 11:38:54,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 11:38:54,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 11:38:54,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:38:54,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 11:38:54,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 11:38:54,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 11:38:54,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 11:38:54,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 11:38:54,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 11:38:54,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 11:38:54,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 11:38:54,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 11:38:54,651 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d3b9aeb878380bdc771becb29ac1261e3f51b87c750ca0ae0ce079e64216b40 [2024-10-14 11:38:54,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 11:38:54,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 11:38:54,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 11:38:54,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 11:38:54,950 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 11:38:54,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-71.i [2024-10-14 11:38:56,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 11:38:56,635 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 11:38:56,637 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-71.i [2024-10-14 11:38:56,647 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f0bde44/07389ee8f7174f31894b78f6c5bbf0c7/FLAG919963306 [2024-10-14 11:38:57,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f0bde44/07389ee8f7174f31894b78f6c5bbf0c7 [2024-10-14 11:38:57,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 11:38:57,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 11:38:57,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 11:38:57,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 11:38:57,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 11:38:57,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72741513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57, skipping insertion in model container [2024-10-14 11:38:57,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 11:38:57,207 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_loopvsstraightlinecode_25-1loop_file-71.i[915,928] [2024-10-14 11:38:57,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:38:57,292 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 11:38:57,303 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_loopvsstraightlinecode_25-1loop_file-71.i[915,928] [2024-10-14 11:38:57,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:38:57,366 INFO L204 MainTranslator]: Completed translation [2024-10-14 11:38:57,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57 WrapperNode [2024-10-14 11:38:57,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 11:38:57,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 11:38:57,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 11:38:57,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 11:38:57,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,414 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-10-14 11:38:57,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 11:38:57,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 11:38:57,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 11:38:57,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 11:38:57,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,454 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 11:38:57,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 11:38:57,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 11:38:57,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 11:38:57,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 11:38:57,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (1/1) ... [2024-10-14 11:38:57,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:38:57,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:38:57,513 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 11:38:57,517 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 11:38:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 11:38:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 11:38:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 11:38:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 11:38:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 11:38:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 11:38:57,650 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 11:38:57,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 11:38:57,924 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-14 11:38:57,924 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 11:38:57,958 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 11:38:57,959 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 11:38:57,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:57 BoogieIcfgContainer [2024-10-14 11:38:57,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 11:38:57,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 11:38:57,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 11:38:57,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 11:38:57,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:38:57" (1/3) ... [2024-10-14 11:38:57,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c0d338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:57, skipping insertion in model container [2024-10-14 11:38:57,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:57" (2/3) ... [2024-10-14 11:38:57,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c0d338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:57, skipping insertion in model container [2024-10-14 11:38:57,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:57" (3/3) ... [2024-10-14 11:38:57,969 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-71.i [2024-10-14 11:38:57,984 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 11:38:57,984 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 11:38:58,049 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 11:38:58,054 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;@4b1117a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 11:38:58,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 11:38:58,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 32 states have (on average 1.40625) internal successors, (45), 33 states have internal predecessors, (45), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 11:38:58,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 11:38:58,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:38:58,074 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:38:58,074 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:38:58,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:38:58,080 INFO L85 PathProgramCache]: Analyzing trace with hash 665253653, now seen corresponding path program 1 times [2024-10-14 11:38:58,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:38:58,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852232524] [2024-10-14 11:38:58,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:38:58,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:38:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:38:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:38:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:38:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:38:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:38:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:38:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:38:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:38:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:38:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:38:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:38:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:38:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:38:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:38:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:38:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-14 11:38:58,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:38:58,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852232524] [2024-10-14 11:38:58,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852232524] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:38:58,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:38:58,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 11:38:58,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137302143] [2024-10-14 11:38:58,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:38:58,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 11:38:58,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:38:58,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 11:38:58,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:38:58,502 INFO L87 Difference]: Start difference. First operand has 50 states, 32 states have (on average 1.40625) internal successors, (45), 33 states have internal predecessors, (45), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 11:38:58,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:38:58,543 INFO L93 Difference]: Finished difference Result 99 states and 164 transitions. [2024-10-14 11:38:58,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 11:38:58,545 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 95 [2024-10-14 11:38:58,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:38:58,554 INFO L225 Difference]: With dead ends: 99 [2024-10-14 11:38:58,554 INFO L226 Difference]: Without dead ends: 48 [2024-10-14 11:38:58,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 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 11:38:58,563 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:38:58,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 11:38:58,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-14 11:38:58,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-14 11:38:58,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 11:38:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 70 transitions. [2024-10-14 11:38:58,638 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 70 transitions. Word has length 95 [2024-10-14 11:38:58,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:38:58,639 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 70 transitions. [2024-10-14 11:38:58,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 11:38:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2024-10-14 11:38:58,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 11:38:58,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:38:58,647 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:38:58,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 11:38:58,647 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:38:58,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:38:58,649 INFO L85 PathProgramCache]: Analyzing trace with hash 50366875, now seen corresponding path program 1 times [2024-10-14 11:38:58,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:38:58,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4048695] [2024-10-14 11:38:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:38:58,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:38:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:38:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:38:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:38:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:38:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:38:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:38:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:38:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:38:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:38:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:38:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:38:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:38:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:38:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:38:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:38:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:38:59,216 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-14 11:38:59,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:38:59,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4048695] [2024-10-14 11:38:59,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4048695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:38:59,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:38:59,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 11:38:59,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368697539] [2024-10-14 11:38:59,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:38:59,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 11:38:59,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:38:59,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 11:38:59,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 11:38:59,225 INFO L87 Difference]: Start difference. First operand 48 states and 70 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-14 11:38:59,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:38:59,353 INFO L93 Difference]: Finished difference Result 100 states and 144 transitions. [2024-10-14 11:38:59,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 11:38:59,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 95 [2024-10-14 11:38:59,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:38:59,356 INFO L225 Difference]: With dead ends: 100 [2024-10-14 11:38:59,356 INFO L226 Difference]: Without dead ends: 53 [2024-10-14 11:38:59,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:38:59,358 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 28 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 11:38:59,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 130 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 11:38:59,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-14 11:38:59,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-14 11:38:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 11:38:59,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 74 transitions. [2024-10-14 11:38:59,372 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 74 transitions. Word has length 95 [2024-10-14 11:38:59,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:38:59,373 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 74 transitions. [2024-10-14 11:38:59,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-14 11:38:59,374 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2024-10-14 11:38:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 11:38:59,378 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:38:59,379 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:38:59,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 11:38:59,379 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:38:59,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:38:59,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1458065988, now seen corresponding path program 1 times [2024-10-14 11:38:59,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:38:59,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932119916] [2024-10-14 11:38:59,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:38:59,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:38:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:39:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:39:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:39:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:39:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:39:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:39:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:39:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:39:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:39:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:39:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:39:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:39:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:39:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:39:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:39:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-14 11:39:02,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:39:02,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932119916] [2024-10-14 11:39:02,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932119916] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:39:02,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:39:02,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 11:39:02,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665506991] [2024-10-14 11:39:02,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:39:02,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 11:39:02,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:39:02,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 11:39:02,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 11:39:02,473 INFO L87 Difference]: Start difference. First operand 53 states and 74 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-14 11:39:02,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:39:02,693 INFO L93 Difference]: Finished difference Result 134 states and 184 transitions. [2024-10-14 11:39:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 11:39:02,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 96 [2024-10-14 11:39:02,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:39:02,697 INFO L225 Difference]: With dead ends: 134 [2024-10-14 11:39:02,698 INFO L226 Difference]: Without dead ends: 82 [2024-10-14 11:39:02,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:39:02,700 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 62 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 11:39:02,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 165 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 11:39:02,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-14 11:39:02,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 59. [2024-10-14 11:39:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 41 states have internal predecessors, (52), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 11:39:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2024-10-14 11:39:02,717 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 96 [2024-10-14 11:39:02,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:39:02,717 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2024-10-14 11:39:02,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-14 11:39:02,718 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2024-10-14 11:39:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 11:39:02,719 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:39:02,719 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:02,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 11:39:02,720 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:39:02,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:39:02,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1379314287, now seen corresponding path program 1 times [2024-10-14 11:39:02,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:39:02,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506949532] [2024-10-14 11:39:02,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:39:02,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:39:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:39:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:39:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:39:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:39:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:39:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:39:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:39:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:39:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:39:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:39:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:39:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:39:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:39:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:39:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:39:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-14 11:39:03,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:39:03,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506949532] [2024-10-14 11:39:03,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506949532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:39:03,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:39:03,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 11:39:03,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822423894] [2024-10-14 11:39:03,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:39:03,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 11:39:03,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:39:03,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 11:39:03,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 11:39:03,076 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-14 11:39:03,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:39:03,219 INFO L93 Difference]: Finished difference Result 131 states and 181 transitions. [2024-10-14 11:39:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 11:39:03,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 96 [2024-10-14 11:39:03,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:39:03,223 INFO L225 Difference]: With dead ends: 131 [2024-10-14 11:39:03,223 INFO L226 Difference]: Without dead ends: 73 [2024-10-14 11:39:03,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:39:03,225 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 15 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 11:39:03,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 162 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 11:39:03,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-14 11:39:03,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 61. [2024-10-14 11:39:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 11:39:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 85 transitions. [2024-10-14 11:39:03,243 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 85 transitions. Word has length 96 [2024-10-14 11:39:03,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:39:03,244 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 85 transitions. [2024-10-14 11:39:03,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-14 11:39:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2024-10-14 11:39:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 11:39:03,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:39:03,248 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:03,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 11:39:03,248 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:39:03,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:39:03,249 INFO L85 PathProgramCache]: Analyzing trace with hash -844948913, now seen corresponding path program 1 times [2024-10-14 11:39:03,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:39:03,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782044544] [2024-10-14 11:39:03,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:39:03,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:39:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:39:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:39:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:39:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:39:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:39:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:39:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:39:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:39:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:39:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:39:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:39:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:39:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:39:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:39:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:39:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:03,619 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-14 11:39:03,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:39:03,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782044544] [2024-10-14 11:39:03,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782044544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:39:03,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:39:03,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 11:39:03,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943235787] [2024-10-14 11:39:03,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:39:03,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 11:39:03,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:39:03,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 11:39:03,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:39:03,622 INFO L87 Difference]: Start difference. First operand 61 states and 85 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-14 11:39:03,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:39:03,720 INFO L93 Difference]: Finished difference Result 147 states and 201 transitions. [2024-10-14 11:39:03,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 11:39:03,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 97 [2024-10-14 11:39:03,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:39:03,722 INFO L225 Difference]: With dead ends: 147 [2024-10-14 11:39:03,722 INFO L226 Difference]: Without dead ends: 87 [2024-10-14 11:39:03,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 11:39:03,726 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 48 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 11:39:03,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 223 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 11:39:03,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-14 11:39:03,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 61. [2024-10-14 11:39:03,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 11:39:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 85 transitions. [2024-10-14 11:39:03,746 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 85 transitions. Word has length 97 [2024-10-14 11:39:03,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:39:03,747 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 85 transitions. [2024-10-14 11:39:03,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-14 11:39:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2024-10-14 11:39:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 11:39:03,748 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:39:03,748 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:03,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 11:39:03,749 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:39:03,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:39:03,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1397839903, now seen corresponding path program 1 times [2024-10-14 11:39:03,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:39:03,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10659937] [2024-10-14 11:39:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:39:03,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:39:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 11:39:03,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 11:39:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 11:39:03,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 11:39:03,854 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 11:39:03,856 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 11:39:03,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 11:39:03,863 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-14 11:39:03,941 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 11:39:03,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:39:03 BoogieIcfgContainer [2024-10-14 11:39:03,946 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 11:39:03,947 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 11:39:03,947 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 11:39:03,947 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 11:39:03,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:57" (3/4) ... [2024-10-14 11:39:03,951 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 11:39:03,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 11:39:03,953 INFO L158 Benchmark]: Toolchain (without parser) took 6943.44ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 89.2MB in the beginning and 113.9MB in the end (delta: -24.7MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2024-10-14 11:39:03,953 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 98.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 11:39:03,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.71ms. Allocated memory is still 148.9MB. Free memory was 89.2MB in the beginning and 117.2MB in the end (delta: -28.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 11:39:03,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.88ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 113.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 11:39:03,954 INFO L158 Benchmark]: Boogie Preprocessor took 56.42ms. Allocated memory is still 148.9MB. Free memory was 113.7MB in the beginning and 110.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 11:39:03,954 INFO L158 Benchmark]: RCFGBuilder took 487.26ms. Allocated memory is still 148.9MB. Free memory was 109.5MB in the beginning and 90.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 11:39:03,954 INFO L158 Benchmark]: TraceAbstraction took 5984.98ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 89.2MB in the beginning and 113.9MB in the end (delta: -24.6MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2024-10-14 11:39:03,955 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 262.1MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 11:39:03,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 98.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.71ms. Allocated memory is still 148.9MB. Free memory was 89.2MB in the beginning and 117.2MB in the end (delta: -28.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.88ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 113.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.42ms. Allocated memory is still 148.9MB. Free memory was 113.7MB in the beginning and 110.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 487.26ms. Allocated memory is still 148.9MB. Free memory was 109.5MB in the beginning and 90.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5984.98ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 89.2MB in the beginning and 113.9MB in the end (delta: -24.6MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 262.1MB. Free memory is still 113.9MB. 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 someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryArithmeticFLOAToperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 8; [L25] unsigned char var_1_4 = 8; [L26] unsigned char var_1_5 = 32; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 1; [L29] float var_1_8 = 1.8; [L30] float var_1_9 = 9999999999999.75; [L31] float var_1_10 = 8.75; [L32] float var_1_11 = 255.75; [L33] unsigned short int var_1_12 = 10; [L34] unsigned char var_1_13 = 2; [L35] unsigned short int var_1_14 = 4; [L99] isInitial = 1 [L100] FCALL initially() [L101] int k_loop; [L102] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=0, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L102] COND TRUE k_loop < 1 [L103] FCALL updateLastVariables() [L104] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L70] var_1_3 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L72] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L72] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L73] var_1_4 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L74] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L75] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L75] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L76] var_1_5 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L77] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L78] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L78] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L81] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L81] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L82] var_1_7 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_8=9/5, var_1_9=39999999999999/4] [L83] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_8=9/5, var_1_9=39999999999999/4] [L84] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L84] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L85] var_1_9 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L86] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L87] var_1_10 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L88] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L89] var_1_11 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L90] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L104] RET updateVariables() [L105] CALL step() [L39] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=-255, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L40] COND TRUE \read(var_1_2) [L41] var_1_1 = (((((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) > (var_1_5)) ? ((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) : (var_1_5))) VAL [isInitial=1, stepLocal_0=-255, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L53] var_1_12 = 100 [L54] var_1_13 = var_1_3 [L55] var_1_14 = var_1_3 VAL [isInitial=1, stepLocal_0=-255, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L56] EXPR var_1_13 >> var_1_3 VAL [isInitial=1, stepLocal_0=-255, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L56] COND TRUE (var_1_13 >> var_1_3) <= var_1_5 [L57] COND TRUE (25 > var_1_13) && var_1_7 [L58] var_1_8 = (var_1_9 + ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))) VAL [isInitial=1, stepLocal_0=-255, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1] [L105] RET step() [L106] CALL, EXPR property() [L95] EXPR (var_1_2 ? (var_1_1 == ((unsigned char) (((((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) > (var_1_5)) ? ((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) : (var_1_5))))) : ((var_1_6 && var_1_7) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_7 ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_3))))) && (((var_1_13 >> var_1_3) <= var_1_5) ? (((25 > var_1_13) && var_1_7) ? (var_1_8 == ((float) (var_1_9 + ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) : (var_1_8 == ((float) var_1_9))) : (var_1_8 == ((float) var_1_9))) VAL [isInitial=1, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1] [L95] EXPR var_1_13 >> var_1_3 VAL [isInitial=1, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1] [L95] EXPR (var_1_2 ? (var_1_1 == ((unsigned char) (((((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) > (var_1_5)) ? ((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) : (var_1_5))))) : ((var_1_6 && var_1_7) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_7 ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_3))))) && (((var_1_13 >> var_1_3) <= var_1_5) ? (((25 > var_1_13) && var_1_7) ? (var_1_8 == ((float) (var_1_9 + ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) : (var_1_8 == ((float) var_1_9))) : (var_1_8 == ((float) var_1_9))) VAL [isInitial=1, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1] [L95-L96] return ((((var_1_2 ? (var_1_1 == ((unsigned char) (((((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) > (var_1_5)) ? ((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) : (var_1_5))))) : ((var_1_6 && var_1_7) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_7 ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_3))))) && (((var_1_13 >> var_1_3) <= var_1_5) ? (((25 > var_1_13) && var_1_7) ? (var_1_8 == ((float) (var_1_9 + ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) : (var_1_8 == ((float) var_1_9))) : (var_1_8 == ((float) var_1_9)))) && (var_1_12 == ((unsigned short int) 100))) && (var_1_13 == ((unsigned char) var_1_3))) && (var_1_14 == ((unsigned short int) var_1_3)) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1] [L19] reach_error() VAL [isInitial=1, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=49, var_1_5=50, var_1_6=-255, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 6, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 747 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 430 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 252 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 317 mSDtfsCounter, 252 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=4, InterpolantAutomatonStates: 21, 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, 5 MinimizatonAttempts, 61 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 474 ConstructedInterpolants, 0 QuantifiedInterpolants, 2209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2100/2100 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 11:39:03,989 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_loopvsstraightlinecode_25-1loop_file-71.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 6d3b9aeb878380bdc771becb29ac1261e3f51b87c750ca0ae0ce079e64216b40 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 11:39:06,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 11:39:06,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 11:39:06,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 11:39:06,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 11:39:06,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 11:39:06,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 11:39:06,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 11:39:06,407 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 11:39:06,407 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 11:39:06,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 11:39:06,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 11:39:06,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 11:39:06,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 11:39:06,413 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 11:39:06,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 11:39:06,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 11:39:06,414 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 11:39:06,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 11:39:06,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 11:39:06,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 11:39:06,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 11:39:06,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 11:39:06,418 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 11:39:06,418 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 11:39:06,418 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 11:39:06,419 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 11:39:06,419 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 11:39:06,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 11:39:06,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 11:39:06,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 11:39:06,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 11:39:06,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 11:39:06,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 11:39:06,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:39:06,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 11:39:06,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 11:39:06,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 11:39:06,422 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 11:39:06,422 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 11:39:06,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 11:39:06,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 11:39:06,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 11:39:06,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 11:39:06,425 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 11:39:06,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d3b9aeb878380bdc771becb29ac1261e3f51b87c750ca0ae0ce079e64216b40 [2024-10-14 11:39:06,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 11:39:06,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 11:39:06,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 11:39:06,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 11:39:06,769 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 11:39:06,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-71.i [2024-10-14 11:39:08,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 11:39:08,600 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 11:39:08,602 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-71.i [2024-10-14 11:39:08,615 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4cdf9410/fc6fcff85b984af7b7bcb7451eefdf4d/FLAG2dd045a88 [2024-10-14 11:39:08,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4cdf9410/fc6fcff85b984af7b7bcb7451eefdf4d [2024-10-14 11:39:08,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 11:39:08,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 11:39:08,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 11:39:08,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 11:39:08,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 11:39:08,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:08,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9cfeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08, skipping insertion in model container [2024-10-14 11:39:08,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:08,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 11:39:08,843 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_loopvsstraightlinecode_25-1loop_file-71.i[915,928] [2024-10-14 11:39:08,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:39:08,929 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 11:39:08,942 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_loopvsstraightlinecode_25-1loop_file-71.i[915,928] [2024-10-14 11:39:08,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:39:08,995 INFO L204 MainTranslator]: Completed translation [2024-10-14 11:39:08,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08 WrapperNode [2024-10-14 11:39:08,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 11:39:08,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 11:39:08,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 11:39:08,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 11:39:09,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,051 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-10-14 11:39:09,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 11:39:09,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 11:39:09,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 11:39:09,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 11:39:09,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,072 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,101 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 11:39:09,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 11:39:09,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 11:39:09,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 11:39:09,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 11:39:09,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (1/1) ... [2024-10-14 11:39:09,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:39:09,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:39:09,172 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 11:39:09,179 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 11:39:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 11:39:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 11:39:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 11:39:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 11:39:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 11:39:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 11:39:09,314 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 11:39:09,316 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 11:39:09,695 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-14 11:39:09,695 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 11:39:09,770 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 11:39:09,770 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 11:39:09,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:39:09 BoogieIcfgContainer [2024-10-14 11:39:09,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 11:39:09,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 11:39:09,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 11:39:09,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 11:39:09,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:39:08" (1/3) ... [2024-10-14 11:39:09,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36823927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:39:09, skipping insertion in model container [2024-10-14 11:39:09,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:08" (2/3) ... [2024-10-14 11:39:09,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36823927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:39:09, skipping insertion in model container [2024-10-14 11:39:09,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:39:09" (3/3) ... [2024-10-14 11:39:09,786 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-71.i [2024-10-14 11:39:09,802 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 11:39:09,802 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 11:39:09,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 11:39:09,882 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;@414dc6fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 11:39:09,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 11:39:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 11:39:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 11:39:09,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:39:09,899 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:09,899 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:39:09,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:39:09,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1203174225, now seen corresponding path program 1 times [2024-10-14 11:39:09,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 11:39:09,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648577618] [2024-10-14 11:39:09,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:39:09,921 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 11:39:09,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 11:39:09,924 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 11:39:09,925 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 11:39:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:39:10,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 11:39:10,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 11:39:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-10-14 11:39:11,572 INFO L311 TraceCheckSpWp]: Computing backward predicates...