./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-38.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 a44b26a5377afae32910ca75d7e768b9c21cc5f85cc59743ffa555275482d07c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:53:16,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:53:16,700 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 23:53:16,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:53:16,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:53:16,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:53:16,718 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:53:16,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:53:16,718 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:53:16,718 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:53:16,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:53:16,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:53:16,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:53:16,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:53:16,719 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:53:16,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:53:16,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:53:16,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:53:16,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 23:53:16,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:53:16,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:53:16,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:53:16,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:53:16,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:53:16,725 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:53:16,725 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:53:16,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:53:16,725 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:53:16,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:53:16,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:53:16,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:53:16,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:53:16,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:53:16,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:53:16,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:53:16,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:53:16,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 23:53:16,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 23:53:16,727 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:53:16,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:53:16,728 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:53:16,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:53:16,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a44b26a5377afae32910ca75d7e768b9c21cc5f85cc59743ffa555275482d07c [2024-11-18 23:53:16,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:53:16,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:53:16,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:53:16,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:53:16,956 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:53:16,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-38.i [2024-11-18 23:53:18,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:53:18,347 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:53:18,348 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-38.i [2024-11-18 23:53:18,356 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f3982735/55d360d7e52c4282b310127263503e46/FLAG35da2a99d [2024-11-18 23:53:18,741 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f3982735/55d360d7e52c4282b310127263503e46 [2024-11-18 23:53:18,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:53:18,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:53:18,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:53:18,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:53:18,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:53:18,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:18,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc17cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18, skipping insertion in model container [2024-11-18 23:53:18,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:18,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:53:18,902 WARN L250 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_operatoramount_amount25_file-38.i[915,928] [2024-11-18 23:53:18,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:53:18,936 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:53:18,945 WARN L250 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_operatoramount_amount25_file-38.i[915,928] [2024-11-18 23:53:18,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:53:18,978 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:53:18,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18 WrapperNode [2024-11-18 23:53:18,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:53:18,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:53:18,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:53:18,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:53:18,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:18,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,039 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-18 23:53:19,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:53:19,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:53:19,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:53:19,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:53:19,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,111 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]. [2024-11-18 23:53:19,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:53:19,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:53:19,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:53:19,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:53:19,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (1/1) ... [2024-11-18 23:53:19,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:53:19,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:53:19,157 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) [2024-11-18 23:53:19,159 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 [2024-11-18 23:53:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:53:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:53:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:53:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 23:53:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:53:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:53:19,257 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:53:19,259 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:53:19,468 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-18 23:53:19,468 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:53:19,479 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:53:19,479 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:53:19,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:53:19 BoogieIcfgContainer [2024-11-18 23:53:19,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:53:19,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:53:19,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:53:19,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:53:19,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:53:18" (1/3) ... [2024-11-18 23:53:19,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d99b5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:53:19, skipping insertion in model container [2024-11-18 23:53:19,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:18" (2/3) ... [2024-11-18 23:53:19,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d99b5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:53:19, skipping insertion in model container [2024-11-18 23:53:19,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:53:19" (3/3) ... [2024-11-18 23:53:19,487 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-38.i [2024-11-18 23:53:19,499 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:53:19,500 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:53:19,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:53:19,548 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;@50aa8657, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:53:19,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:53:19,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 23:53:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 23:53:19,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:53:19,560 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:53:19,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:53:19,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:53:19,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1048086186, now seen corresponding path program 1 times [2024-11-18 23:53:19,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:53:19,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620939846] [2024-11-18 23:53:19,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:53:19,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:53:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:53:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-18 23:53:19,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:53:19,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620939846] [2024-11-18 23:53:19,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620939846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:53:19,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381762254] [2024-11-18 23:53:19,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:53:19,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:53:19,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:53:19,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:53:19,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 23:53:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:53:19,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:53:19,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:53:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-18 23:53:19,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:53:19,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381762254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:53:19,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 23:53:19,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 23:53:19,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101549828] [2024-11-18 23:53:19,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:53:19,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:53:19,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:53:19,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:53:19,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:53:19,967 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 23:53:19,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:53:19,986 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2024-11-18 23:53:19,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:53:19,988 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-11-18 23:53:19,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:53:19,993 INFO L225 Difference]: With dead ends: 103 [2024-11-18 23:53:19,993 INFO L226 Difference]: Without dead ends: 51 [2024-11-18 23:53:19,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:53:19,998 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:53:19,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:53:20,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-18 23:53:20,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-18 23:53:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 23:53:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2024-11-18 23:53:20,032 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 124 [2024-11-18 23:53:20,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:53:20,032 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2024-11-18 23:53:20,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 23:53:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2024-11-18 23:53:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 23:53:20,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:53:20,035 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:53:20,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-18 23:53:20,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 23:53:20,240 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:53:20,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:53:20,241 INFO L85 PathProgramCache]: Analyzing trace with hash 531958366, now seen corresponding path program 1 times [2024-11-18 23:53:20,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:53:20,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790924116] [2024-11-18 23:53:20,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:53:20,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:53:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:53:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 96 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-11-18 23:53:20,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:53:20,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790924116] [2024-11-18 23:53:20,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790924116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:53:20,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783675031] [2024-11-18 23:53:20,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:53:20,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:53:20,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:53:20,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:53:20,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 23:53:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:53:21,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-18 23:53:21,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:53:21,627 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 272 proven. 96 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-18 23:53:21,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:53:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 99 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-18 23:53:21,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783675031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 23:53:21,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 23:53:21,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 16 [2024-11-18 23:53:21,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662882026] [2024-11-18 23:53:21,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 23:53:21,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-18 23:53:21,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:53:21,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-18 23:53:21,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-18 23:53:21,947 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 4 states have call successors, (39), 3 states have call predecessors, (39), 7 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) [2024-11-18 23:53:22,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:53:22,321 INFO L93 Difference]: Finished difference Result 113 states and 155 transitions. [2024-11-18 23:53:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-18 23:53:22,322 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 4 states have call successors, (39), 3 states have call predecessors, (39), 7 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) Word has length 124 [2024-11-18 23:53:22,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:53:22,324 INFO L225 Difference]: With dead ends: 113 [2024-11-18 23:53:22,324 INFO L226 Difference]: Without dead ends: 65 [2024-11-18 23:53:22,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 240 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-11-18 23:53:22,327 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 83 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 23:53:22,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 238 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 23:53:22,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-18 23:53:22,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 59. [2024-11-18 23:53:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 23:53:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2024-11-18 23:53:22,358 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 78 transitions. Word has length 124 [2024-11-18 23:53:22,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:53:22,359 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 78 transitions. [2024-11-18 23:53:22,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 4 states have call successors, (39), 3 states have call predecessors, (39), 7 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) [2024-11-18 23:53:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2024-11-18 23:53:22,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 23:53:22,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:53:22,362 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:53:22,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 23:53:22,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-18 23:53:22,563 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:53:22,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:53:22,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1988001568, now seen corresponding path program 1 times [2024-11-18 23:53:22,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:53:22,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356560077] [2024-11-18 23:53:22,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:53:22,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:53:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:53:22,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 23:53:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:53:22,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 23:53:22,727 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 23:53:22,728 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:53:22,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 23:53:22,733 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-18 23:53:22,812 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 23:53:22,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:53:22 BoogieIcfgContainer [2024-11-18 23:53:22,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 23:53:22,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 23:53:22,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 23:53:22,820 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 23:53:22,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:53:19" (3/4) ... [2024-11-18 23:53:22,823 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 23:53:22,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 23:53:22,824 INFO L158 Benchmark]: Toolchain (without parser) took 4080.43ms. Allocated memory was 197.1MB in the beginning and 257.9MB in the end (delta: 60.8MB). Free memory was 127.0MB in the beginning and 190.3MB in the end (delta: -63.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:53:22,826 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:53:22,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.34ms. Allocated memory is still 197.1MB. Free memory was 126.8MB in the beginning and 112.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 23:53:22,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.03ms. Allocated memory is still 197.1MB. Free memory was 112.2MB in the beginning and 164.9MB in the end (delta: -52.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-18 23:53:22,827 INFO L158 Benchmark]: Boogie Preprocessor took 75.63ms. Allocated memory is still 197.1MB. Free memory was 164.9MB in the beginning and 161.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 23:53:22,827 INFO L158 Benchmark]: RCFGBuilder took 352.26ms. Allocated memory is still 197.1MB. Free memory was 161.0MB in the beginning and 143.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 23:53:22,827 INFO L158 Benchmark]: TraceAbstraction took 3337.95ms. Allocated memory was 197.1MB in the beginning and 257.9MB in the end (delta: 60.8MB). Free memory was 142.1MB in the beginning and 190.3MB in the end (delta: -48.2MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-18 23:53:22,827 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 257.9MB. Free memory is still 190.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:53:22,829 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.34ms. Allocated memory is still 197.1MB. Free memory was 126.8MB in the beginning and 112.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.03ms. Allocated memory is still 197.1MB. Free memory was 112.2MB in the beginning and 164.9MB in the end (delta: -52.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.63ms. Allocated memory is still 197.1MB. Free memory was 164.9MB in the beginning and 161.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 352.26ms. Allocated memory is still 197.1MB. Free memory was 161.0MB in the beginning and 143.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3337.95ms. Allocated memory was 197.1MB in the beginning and 257.9MB in the end (delta: 60.8MB). Free memory was 142.1MB in the beginning and 190.3MB in the end (delta: -48.2MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 257.9MB. Free memory is still 190.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryArithmeticDOUBLEoperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned short int var_1_2 = 56507; [L24] unsigned short int var_1_3 = 52902; [L25] unsigned short int var_1_4 = 8; [L26] unsigned long int var_1_5 = 16; [L27] unsigned long int var_1_6 = 1771558822; [L28] double var_1_7 = 7.25; [L29] double var_1_8 = 31.2; [L30] double var_1_9 = 32.71; [L31] double var_1_10 = 0.4; [L32] double var_1_11 = 7.75; [L33] unsigned short int var_1_12 = 32; [L34] unsigned char var_1_13 = 0; [L35] unsigned short int var_1_14 = 20114; [L36] unsigned short int var_1_15 = 32; [L37] unsigned short int var_1_16 = 16773; VAL [isInitial=0, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=56507, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L58] var_1_2 = __VERIFIER_nondet_ushort() [L59] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L59] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L60] CALL assume_abort_if_not(var_1_2 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L60] RET assume_abort_if_not(var_1_2 <= 65534) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L61] var_1_3 = __VERIFIER_nondet_ushort() [L62] CALL assume_abort_if_not(var_1_3 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L62] RET assume_abort_if_not(var_1_3 >= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L63] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L63] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L64] var_1_4 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L65] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L66] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L66] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L67] var_1_6 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_6 >= 1610612735) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L68] RET assume_abort_if_not(var_1_6 >= 1610612735) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L69] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L69] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L70] var_1_8 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_9=3271/100] [L71] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_9=3271/100] [L72] var_1_9 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L73] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L74] var_1_10 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_10 >= -115292.1504606845700e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 1152921.504606845700e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L75] RET assume_abort_if_not((var_1_10 >= -115292.1504606845700e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 1152921.504606845700e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L76] var_1_11 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L77] RET assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L80] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L80] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L81] var_1_14 = __VERIFIER_nondet_ushort() [L82] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L82] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L83] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L83] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L84] var_1_15 = __VERIFIER_nondet_ushort() [L85] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L85] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L86] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L86] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L87] var_1_16 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_16 >= 16384) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L88] RET assume_abort_if_not(var_1_16 >= 16384) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L89] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L89] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L102] RET updateVariables() [L103] CALL step() [L41] var_1_1 = (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4) [L42] unsigned short int stepLocal_0 = var_1_4; VAL [isInitial=1, stepLocal_0=32767, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L43] COND FALSE !(stepLocal_0 > var_1_2) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L46] var_1_7 = (var_1_8 + (var_1_9 + (var_1_10 + var_1_11))) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735] [L47] COND TRUE ! var_1_13 [L48] var_1_12 = (var_1_3 - (var_1_14 - var_1_15)) VAL [isInitial=1, var_1_12=65073, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735] [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return (((var_1_1 == ((unsigned short int) (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4))) && ((var_1_4 > var_1_2) ? (var_1_5 == ((unsigned long int) (((var_1_6 - var_1_3) + 2144048120u) - var_1_2))) : 1)) && (var_1_7 == ((double) (var_1_8 + (var_1_9 + (var_1_10 + var_1_11)))))) && ((! var_1_13) ? (var_1_12 == ((unsigned short int) (var_1_3 - (var_1_14 - var_1_15)))) : (var_1_13 ? (var_1_12 == ((unsigned short int) ((27636 + var_1_16) - (((((16853 - 10)) > (var_1_14)) ? ((16853 - 10)) : (var_1_14)))))) : (var_1_12 == ((unsigned short int) var_1_3)))) ; VAL [\result=0, isInitial=1, var_1_12=65073, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735] [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_12=65073, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735] [L19] reach_error() VAL [isInitial=1, var_1_12=65073, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 311 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 389 IncrementalHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 123 mSDtfsCounter, 389 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=2, InterpolantAutomatonStates: 18, 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, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 620 NumberOfCodeBlocks, 620 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 2026 SizeOfPredicates, 3 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 3471/3800 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 [2024-11-18 23:53:22,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- 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/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-38.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 a44b26a5377afae32910ca75d7e768b9c21cc5f85cc59743ffa555275482d07c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:53:24,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:53:24,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 23:53:24,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:53:24,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:53:24,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:53:24,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:53:24,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:53:24,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:53:24,768 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:53:24,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:53:24,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:53:24,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:53:24,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:53:24,769 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:53:24,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:53:24,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:53:24,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:53:24,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:53:24,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:53:24,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:53:24,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:53:24,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:53:24,774 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 23:53:24,774 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 23:53:24,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:53:24,774 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 23:53:24,774 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:53:24,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:53:24,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:53:24,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:53:24,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:53:24,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:53:24,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:53:24,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:53:24,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:53:24,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:53:24,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:53:24,776 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 23:53:24,776 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 23:53:24,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:53:24,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:53:24,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:53:24,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:53:24,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a44b26a5377afae32910ca75d7e768b9c21cc5f85cc59743ffa555275482d07c [2024-11-18 23:53:25,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:53:25,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:53:25,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:53:25,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:53:25,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:53:25,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-38.i [2024-11-18 23:53:26,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:53:26,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:53:26,440 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-38.i [2024-11-18 23:53:26,454 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4fb2f9fa/aee9e97756274101912a95d0b92bf6ee/FLAG12e72ab4f [2024-11-18 23:53:26,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4fb2f9fa/aee9e97756274101912a95d0b92bf6ee [2024-11-18 23:53:26,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:53:26,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:53:26,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:53:26,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:53:26,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:53:26,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:53:26" (1/1) ... [2024-11-18 23:53:26,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f44844e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:26, skipping insertion in model container [2024-11-18 23:53:26,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:53:26" (1/1) ... [2024-11-18 23:53:26,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:53:27,007 WARN L250 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_operatoramount_amount25_file-38.i[915,928] [2024-11-18 23:53:27,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:53:27,059 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:53:27,070 WARN L250 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_operatoramount_amount25_file-38.i[915,928] [2024-11-18 23:53:27,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:53:27,129 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:53:27,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27 WrapperNode [2024-11-18 23:53:27,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:53:27,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:53:27,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:53:27,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:53:27,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,173 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-18 23:53:27,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:53:27,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:53:27,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:53:27,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:53:27,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,202 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]. [2024-11-18 23:53:27,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:53:27,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:53:27,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:53:27,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:53:27,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (1/1) ... [2024-11-18 23:53:27,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:53:27,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:53:27,260 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) [2024-11-18 23:53:27,262 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 [2024-11-18 23:53:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:53:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 23:53:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:53:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:53:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:53:27,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:53:27,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:53:27,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:53:31,586 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-18 23:53:31,586 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:53:31,597 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:53:31,598 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:53:31,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:53:31 BoogieIcfgContainer [2024-11-18 23:53:31,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:53:31,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:53:31,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:53:31,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:53:31,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:53:26" (1/3) ... [2024-11-18 23:53:31,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fed5ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:53:31, skipping insertion in model container [2024-11-18 23:53:31,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:53:27" (2/3) ... [2024-11-18 23:53:31,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fed5ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:53:31, skipping insertion in model container [2024-11-18 23:53:31,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:53:31" (3/3) ... [2024-11-18 23:53:31,604 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-38.i [2024-11-18 23:53:31,619 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:53:31,619 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:53:31,662 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:53:31,669 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;@22fe8146, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:53:31,670 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:53:31,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 23:53:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 23:53:31,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:53:31,692 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:53:31,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:53:31,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:53:31,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1048086186, now seen corresponding path program 1 times [2024-11-18 23:53:31,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:53:31,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76372772] [2024-11-18 23:53:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:53:31,707 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 [2024-11-18 23:53:31,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:53:31,710 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) [2024-11-18 23:53:31,711 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 [2024-11-18 23:53:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:53:32,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:53:32,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:53:32,090 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-18 23:53:32,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:53:32,091 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:53:32,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76372772] [2024-11-18 23:53:32,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76372772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:53:32,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:53:32,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 23:53:32,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615156977] [2024-11-18 23:53:32,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:53:32,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:53:32,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:53:32,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:53:32,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:53:32,118 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 23:53:32,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:53:32,139 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2024-11-18 23:53:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:53:32,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-11-18 23:53:32,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:53:32,146 INFO L225 Difference]: With dead ends: 103 [2024-11-18 23:53:32,147 INFO L226 Difference]: Without dead ends: 51 [2024-11-18 23:53:32,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:53:32,152 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:53:32,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:53:32,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-18 23:53:32,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-18 23:53:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 23:53:32,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2024-11-18 23:53:32,189 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 124 [2024-11-18 23:53:32,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:53:32,190 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2024-11-18 23:53:32,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 23:53:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2024-11-18 23:53:32,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 23:53:32,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:53:32,193 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:53:32,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-18 23:53:32,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:53:32,394 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:53:32,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:53:32,395 INFO L85 PathProgramCache]: Analyzing trace with hash 531958366, now seen corresponding path program 1 times [2024-11-18 23:53:32,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:53:32,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533981296] [2024-11-18 23:53:32,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:53:32,396 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 [2024-11-18 23:53:32,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:53:32,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 23:53:32,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-18 23:53:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:53:32,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-18 23:53:32,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:53:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 410 proven. 231 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-18 23:53:53,620 INFO L311 TraceCheckSpWp]: Computing backward predicates...