./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.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 236e9a83f25840205b9c3455bfa2071e05298d6f23a3b7465f829136c71d4a4c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 06:10:28,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 06:10:28,813 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 06:10:28,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 06:10:28,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 06:10:28,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 06:10:28,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 06:10:28,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 06:10:28,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 06:10:28,849 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 06:10:28,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 06:10:28,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 06:10:28,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 06:10:28,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 06:10:28,851 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 06:10:28,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 06:10:28,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 06:10:28,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 06:10:28,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 06:10:28,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 06:10:28,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 06:10:28,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 06:10:28,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 06:10:28,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 06:10:28,858 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 06:10:28,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 06:10:28,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 06:10:28,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 06:10:28,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 06:10:28,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 06:10:28,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 06:10:28,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 06:10:28,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 06:10:28,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 06:10:28,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 06:10:28,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 06:10:28,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 06:10:28,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 06:10:28,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 06:10:28,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 06:10:28,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 06:10:28,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 06:10:28,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 236e9a83f25840205b9c3455bfa2071e05298d6f23a3b7465f829136c71d4a4c [2024-11-22 06:10:29,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 06:10:29,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 06:10:29,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 06:10:29,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 06:10:29,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 06:10:29,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i [2024-11-22 06:10:30,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 06:10:30,793 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 06:10:30,793 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i [2024-11-22 06:10:30,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff1b6b79/6252a4d464804d86a3ede056fe70bf4d/FLAGa5bca9b1b [2024-11-22 06:10:30,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff1b6b79/6252a4d464804d86a3ede056fe70bf4d [2024-11-22 06:10:30,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 06:10:30,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 06:10:30,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 06:10:30,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 06:10:30,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 06:10:30,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:10:30" (1/1) ... [2024-11-22 06:10:30,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466b3d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:30, skipping insertion in model container [2024-11-22 06:10:30,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:10:30" (1/1) ... [2024-11-22 06:10:30,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 06:10:31,041 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_codestructure_dependencies_file-0.i[918,931] [2024-11-22 06:10:31,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 06:10:31,119 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 06:10:31,129 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_codestructure_dependencies_file-0.i[918,931] [2024-11-22 06:10:31,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 06:10:31,177 INFO L204 MainTranslator]: Completed translation [2024-11-22 06:10:31,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31 WrapperNode [2024-11-22 06:10:31,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 06:10:31,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 06:10:31,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 06:10:31,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 06:10:31,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,219 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-22 06:10:31,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 06:10:31,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 06:10:31,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 06:10:31,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 06:10:31,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,257 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]. [2024-11-22 06:10:31,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 06:10:31,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 06:10:31,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 06:10:31,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 06:10:31,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (1/1) ... [2024-11-22 06:10:31,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 06:10:31,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 06:10:31,326 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) [2024-11-22 06:10:31,330 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 [2024-11-22 06:10:31,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 06:10:31,385 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 06:10:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 06:10:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 06:10:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 06:10:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 06:10:31,463 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 06:10:31,467 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 06:10:31,762 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-22 06:10:31,763 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 06:10:31,781 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 06:10:31,781 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 06:10:31,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:10:31 BoogieIcfgContainer [2024-11-22 06:10:31,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 06:10:31,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 06:10:31,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 06:10:31,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 06:10:31,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:10:30" (1/3) ... [2024-11-22 06:10:31,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e82ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:10:31, skipping insertion in model container [2024-11-22 06:10:31,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:31" (2/3) ... [2024-11-22 06:10:31,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e82ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:10:31, skipping insertion in model container [2024-11-22 06:10:31,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:10:31" (3/3) ... [2024-11-22 06:10:31,794 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-0.i [2024-11-22 06:10:31,818 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 06:10:31,818 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 06:10:31,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 06:10:31,915 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;@17c4a5f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 06:10:31,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 06:10:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 06:10:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 06:10:31,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 06:10:31,928 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 06:10:31,929 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 06:10:31,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 06:10:31,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1632630271, now seen corresponding path program 1 times [2024-11-22 06:10:31,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 06:10:31,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622898371] [2024-11-22 06:10:31,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 06:10:31,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 06:10:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 06:10:32,842 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 06:10:32,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 06:10:32,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622898371] [2024-11-22 06:10:32,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622898371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 06:10:32,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 06:10:32,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 06:10:32,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488530652] [2024-11-22 06:10:32,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 06:10:32,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 06:10:32,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 06:10:32,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 06:10:32,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 06:10:32,879 INFO L87 Difference]: Start difference. First operand has 43 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 06:10:33,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 06:10:33,064 INFO L93 Difference]: Finished difference Result 121 states and 203 transitions. [2024-11-22 06:10:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 06:10:33,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 67 [2024-11-22 06:10:33,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 06:10:33,075 INFO L225 Difference]: With dead ends: 121 [2024-11-22 06:10:33,076 INFO L226 Difference]: Without dead ends: 81 [2024-11-22 06:10:33,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 06:10:33,084 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 54 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 06:10:33,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 146 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 06:10:33,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-22 06:10:33,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 71. [2024-11-22 06:10:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 06:10:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 101 transitions. [2024-11-22 06:10:33,147 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 101 transitions. Word has length 67 [2024-11-22 06:10:33,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 06:10:33,148 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 101 transitions. [2024-11-22 06:10:33,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 06:10:33,149 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2024-11-22 06:10:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 06:10:33,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 06:10:33,152 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 06:10:33,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 06:10:33,153 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 06:10:33,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 06:10:33,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1239603261, now seen corresponding path program 1 times [2024-11-22 06:10:33,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 06:10:33,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461611657] [2024-11-22 06:10:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 06:10:33,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 06:10:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 06:10:33,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 06:10:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 06:10:33,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 06:10:33,331 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 06:10:33,333 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 06:10:33,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 06:10:33,338 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-22 06:10:33,405 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 06:10:33,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 06:10:33 BoogieIcfgContainer [2024-11-22 06:10:33,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 06:10:33,412 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 06:10:33,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 06:10:33,412 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 06:10:33,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:10:31" (3/4) ... [2024-11-22 06:10:33,415 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 06:10:33,417 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 06:10:33,417 INFO L158 Benchmark]: Toolchain (without parser) took 2591.34ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 105.3MB in the beginning and 64.1MB in the end (delta: 41.2MB). Peak memory consumption was 100.9MB. Max. memory is 16.1GB. [2024-11-22 06:10:33,419 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 06:10:33,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.87ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 90.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 06:10:33,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.49ms. Allocated memory is still 159.4MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 06:10:33,421 INFO L158 Benchmark]: Boogie Preprocessor took 51.55ms. Allocated memory is still 159.4MB. Free memory was 88.0MB in the beginning and 85.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 06:10:33,421 INFO L158 Benchmark]: RCFGBuilder took 508.59ms. Allocated memory is still 159.4MB. Free memory was 84.7MB in the beginning and 68.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 06:10:33,421 INFO L158 Benchmark]: TraceAbstraction took 1626.64ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 67.9MB in the beginning and 65.1MB in the end (delta: 2.8MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2024-11-22 06:10:33,424 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 216.0MB. Free memory was 65.1MB in the beginning and 64.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 06:10:33,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.87ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 90.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.49ms. Allocated memory is still 159.4MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.55ms. Allocated memory is still 159.4MB. Free memory was 88.0MB in the beginning and 85.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.59ms. Allocated memory is still 159.4MB. Free memory was 84.7MB in the beginning and 68.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1626.64ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 67.9MB in the beginning and 65.1MB in the end (delta: 2.8MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 216.0MB. Free memory was 65.1MB in the beginning and 64.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 106, overapproximation of someBinaryFLOATComparisonOperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] signed long int var_1_5 = 2; [L24] signed short int var_1_6 = -10; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned long int var_1_9 = 3470417420; [L28] unsigned char var_1_10 = 0; [L29] double var_1_12 = 25.6; [L30] double var_1_13 = 1.75; [L31] float var_1_14 = 5.4; [L32] float var_1_15 = 127.5; [L33] float var_1_16 = 3.5; [L34] signed long int var_1_17 = 64; [L35] signed long int last_1_var_1_1 = 0; [L36] signed long int last_1_var_1_5 = 2; [L37] signed short int last_1_var_1_6 = -10; [L38] unsigned long int last_1_var_1_7 = 1; [L39] float last_1_var_1_14 = 5.4; [L40] signed long int last_1_var_1_17 = 64; VAL [isInitial=0, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L98] last_1_var_1_1 = var_1_1 [L99] last_1_var_1_5 = var_1_5 [L100] last_1_var_1_6 = var_1_6 [L101] last_1_var_1_7 = var_1_7 [L102] last_1_var_1_14 = var_1_14 [L103] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L113] RET updateLastVariables() [L114] CALL updateVariables() [L81] var_1_9 = __VERIFIER_nondet_ulong() [L82] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L82] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L83] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L83] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L84] var_1_10 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L85] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L86] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L86] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L87] var_1_12 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L88] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L89] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L89] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L90] var_1_13 = __VERIFIER_nondet_double() [L91] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L91] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L92] var_1_15 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L93] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L94] var_1_16 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L95] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L114] RET updateVariables() [L115] CALL step() [L44] COND TRUE ((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16))) [L45] var_1_17 = ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L49] COND FALSE !(last_1_var_1_7 > (- last_1_var_1_5)) [L52] var_1_1 = (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16))) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L54] COND FALSE !(last_1_var_1_17 < (- last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L57] COND FALSE !(var_1_17 > var_1_17) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L62] COND FALSE !((var_1_12 * last_1_var_1_14) > var_1_13) [L69] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L71] COND TRUE var_1_6 < var_1_17 [L72] var_1_5 = ((var_1_17 - var_1_6) + var_1_6) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L74] COND TRUE (- 8u) >= (var_1_9 - var_1_6) [L75] var_1_8 = (! var_1_10) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return (((((((last_1_var_1_7 > (- last_1_var_1_5)) ? (var_1_1 == ((signed long int) ((((last_1_var_1_5) > ((last_1_var_1_7 + last_1_var_1_6))) ? (last_1_var_1_5) : ((last_1_var_1_7 + last_1_var_1_6)))))) : (var_1_1 == ((signed long int) (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16)))))) && ((var_1_6 < var_1_17) ? (var_1_5 == ((signed long int) ((var_1_17 - var_1_6) + var_1_6))) : 1)) && ((last_1_var_1_17 < (- last_1_var_1_1)) ? (var_1_6 == ((signed short int) (32 - last_1_var_1_6))) : 1)) && ((var_1_17 > var_1_17) ? ((var_1_6 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_6)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_14 / var_1_12) >= var_1_14) || var_1_10))))) && (((var_1_12 * last_1_var_1_14) > var_1_13) ? ((var_1_9 < var_1_7) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))))) : (var_1_17 == ((signed long int) last_1_var_1_6))) ; VAL [\result=0, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 146 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 55 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=1, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 144/144 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 [2024-11-22 06:10:33,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.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 236e9a83f25840205b9c3455bfa2071e05298d6f23a3b7465f829136c71d4a4c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 06:10:35,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 06:10:35,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 06:10:35,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 06:10:35,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 06:10:35,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 06:10:35,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 06:10:35,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 06:10:35,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 06:10:35,883 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 06:10:35,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 06:10:35,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 06:10:35,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 06:10:35,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 06:10:35,887 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 06:10:35,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 06:10:35,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 06:10:35,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 06:10:35,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 06:10:35,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 06:10:35,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 06:10:35,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 06:10:35,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 06:10:35,893 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 06:10:35,894 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 06:10:35,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 06:10:35,894 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 06:10:35,894 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 06:10:35,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 06:10:35,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 06:10:35,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 06:10:35,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 06:10:35,895 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 06:10:35,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 06:10:35,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 06:10:35,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 06:10:35,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 06:10:35,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 06:10:35,897 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 06:10:35,897 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 06:10:35,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 06:10:35,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 06:10:35,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 06:10:35,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 06:10:35,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 236e9a83f25840205b9c3455bfa2071e05298d6f23a3b7465f829136c71d4a4c [2024-11-22 06:10:36,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 06:10:36,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 06:10:36,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 06:10:36,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 06:10:36,234 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 06:10:36,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i [2024-11-22 06:10:37,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 06:10:38,013 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 06:10:38,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i [2024-11-22 06:10:38,024 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7cc0ea04/25ba55c16d924dcabdcbffe1ce86462a/FLAG7a653088c [2024-11-22 06:10:38,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7cc0ea04/25ba55c16d924dcabdcbffe1ce86462a [2024-11-22 06:10:38,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 06:10:38,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 06:10:38,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 06:10:38,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 06:10:38,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 06:10:38,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abf2612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38, skipping insertion in model container [2024-11-22 06:10:38,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 06:10:38,623 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_codestructure_dependencies_file-0.i[918,931] [2024-11-22 06:10:38,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 06:10:38,700 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 06:10:38,714 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_codestructure_dependencies_file-0.i[918,931] [2024-11-22 06:10:38,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 06:10:38,774 INFO L204 MainTranslator]: Completed translation [2024-11-22 06:10:38,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38 WrapperNode [2024-11-22 06:10:38,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 06:10:38,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 06:10:38,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 06:10:38,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 06:10:38,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,833 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-22 06:10:38,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 06:10:38,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 06:10:38,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 06:10:38,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 06:10:38,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,867 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]. [2024-11-22 06:10:38,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 06:10:38,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 06:10:38,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 06:10:38,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 06:10:38,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (1/1) ... [2024-11-22 06:10:38,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 06:10:38,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 06:10:38,938 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) [2024-11-22 06:10:38,946 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 [2024-11-22 06:10:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 06:10:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 06:10:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 06:10:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 06:10:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 06:10:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 06:10:39,075 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 06:10:39,080 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 06:10:58,893 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-22 06:10:58,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 06:10:58,911 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 06:10:58,912 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 06:10:58,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:10:58 BoogieIcfgContainer [2024-11-22 06:10:58,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 06:10:58,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 06:10:58,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 06:10:58,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 06:10:58,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:10:38" (1/3) ... [2024-11-22 06:10:58,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421eeb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:10:58, skipping insertion in model container [2024-11-22 06:10:58,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:10:38" (2/3) ... [2024-11-22 06:10:58,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421eeb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:10:58, skipping insertion in model container [2024-11-22 06:10:58,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:10:58" (3/3) ... [2024-11-22 06:10:58,924 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-0.i [2024-11-22 06:10:58,943 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 06:10:58,944 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 06:10:59,013 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 06:10:59,022 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;@4521a87b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 06:10:59,024 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 06:10:59,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 06:10:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 06:10:59,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 06:10:59,040 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 06:10:59,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 06:10:59,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 06:10:59,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1632630271, now seen corresponding path program 1 times [2024-11-22 06:10:59,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 06:10:59,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123461601] [2024-11-22 06:10:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 06:10:59,065 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 [2024-11-22 06:10:59,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 06:10:59,068 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) [2024-11-22 06:10:59,070 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 [2024-11-22 06:11:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 06:11:00,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 06:11:00,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 06:11:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 06:11:08,156 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 06:11:08,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 06:11:08,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123461601] [2024-11-22 06:11:08,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123461601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 06:11:08,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 06:11:08,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 06:11:08,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233283395] [2024-11-22 06:11:08,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 06:11:08,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 06:11:08,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 06:11:08,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 06:11:08,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 06:11:08,191 INFO L87 Difference]: Start difference. First operand has 43 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 06:11:13,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 06:11:17,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 06:11:21,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 06:11:26,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 06:11:30,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 06:11:30,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 06:11:30,592 INFO L93 Difference]: Finished difference Result 121 states and 203 transitions. [2024-11-22 06:11:30,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 06:11:30,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 67 [2024-11-22 06:11:30,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 06:11:30,885 INFO L225 Difference]: With dead ends: 121 [2024-11-22 06:11:30,885 INFO L226 Difference]: Without dead ends: 81 [2024-11-22 06:11:30,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 06:11:30,891 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 51 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 19 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2024-11-22 06:11:30,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 147 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 11 Invalid, 5 Unknown, 0 Unchecked, 22.1s Time] [2024-11-22 06:11:30,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-22 06:11:30,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 71. [2024-11-22 06:11:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 06:11:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 101 transitions. [2024-11-22 06:11:30,946 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 101 transitions. Word has length 67 [2024-11-22 06:11:30,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 06:11:30,949 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 101 transitions. [2024-11-22 06:11:30,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 06:11:30,949 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2024-11-22 06:11:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 06:11:30,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 06:11:30,951 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 06:11:30,989 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 [2024-11-22 06:11:31,152 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 [2024-11-22 06:11:31,152 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 06:11:31,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 06:11:31,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1239603261, now seen corresponding path program 1 times [2024-11-22 06:11:31,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 06:11:31,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61687020] [2024-11-22 06:11:31,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 06:11:31,154 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 [2024-11-22 06:11:31,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 06:11:31,157 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) [2024-11-22 06:11:31,158 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 [2024-11-22 06:11:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 06:11:32,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 06:11:32,770 INFO L278 TraceCheckSpWp]: Computing forward predicates...