./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 31c38fc0029b15eea235546e14c5b61b4e70b436ee39f6c640a47d6a6b4e9a18 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:20:01,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:20:01,763 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:20:01,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:20:01,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:20:01,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:20:01,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:20:01,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:20:01,808 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:20:01,809 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:20:01,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:20:01,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:20:01,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:20:01,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:20:01,811 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:20:01,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:20:01,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:20:01,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:20:01,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:20:01,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:20:01,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:20:01,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:20:01,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:20:01,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:20:01,817 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:20:01,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:20:01,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:20:01,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:20:01,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:20:01,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:20:01,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:20:01,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:20:01,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:20:01,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:20:01,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:20:01,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:20:01,825 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:20:01,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:20:01,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:20:01,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:20:01,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:20:01,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:20:01,827 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31c38fc0029b15eea235546e14c5b61b4e70b436ee39f6c640a47d6a6b4e9a18 [2024-10-11 12:20:02,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:20:02,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:20:02,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:20:02,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:20:02,120 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:20:02,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i [2024-10-11 12:20:03,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:20:04,033 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:20:04,034 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i [2024-10-11 12:20:04,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/96f152d4d/099977999f4f401fb3864d8651f896ad/FLAG0a288a307 [2024-10-11 12:20:04,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/96f152d4d/099977999f4f401fb3864d8651f896ad [2024-10-11 12:20:04,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:20:04,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:20:04,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:20:04,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:20:04,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:20:04,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:04,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c193833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04, skipping insertion in model container [2024-10-11 12:20:04,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:04,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:20:04,732 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i[915,928] [2024-10-11 12:20:04,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:20:04,806 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:20:04,822 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i[915,928] [2024-10-11 12:20:04,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:20:04,896 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:20:04,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04 WrapperNode [2024-10-11 12:20:04,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:20:04,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:20:04,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:20:04,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:20:04,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:04,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:04,960 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2024-10-11 12:20:04,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:20:04,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:20:04,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:20:04,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:20:04,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:04,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:04,977 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:04,994 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 12:20:04,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:04,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:05,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:05,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:05,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:05,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:05,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:20:05,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:20:05,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:20:05,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:20:05,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (1/1) ... [2024-10-11 12:20:05,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:20:05,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:20:05,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:20:05,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:20:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:20:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:20:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:20:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:20:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:20:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:20:05,232 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:20:05,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:20:05,392 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-11 12:20:05,393 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:20:05,426 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:20:05,427 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:20:05,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:05 BoogieIcfgContainer [2024-10-11 12:20:05,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:20:05,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:20:05,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:20:05,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:20:05,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:04" (1/3) ... [2024-10-11 12:20:05,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52892dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:05, skipping insertion in model container [2024-10-11 12:20:05,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:04" (2/3) ... [2024-10-11 12:20:05,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52892dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:05, skipping insertion in model container [2024-10-11 12:20:05,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:05" (3/3) ... [2024-10-11 12:20:05,438 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-50.i [2024-10-11 12:20:05,459 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:20:05,460 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:20:05,515 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:20:05,522 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;@12e83ccb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:20:05,522 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:20:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 12:20:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-11 12:20:05,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:20:05,536 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:20:05,537 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:20:05,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:20:05,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1445116391, now seen corresponding path program 1 times [2024-10-11 12:20:05,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:20:05,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792609834] [2024-10-11 12:20:05,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:20:05,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:20:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:05,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:20:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:05,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 12:20:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:05,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 12:20:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:06,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:20:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:06,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:20:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:06,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 12:20:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:06,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:20:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:06,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 12:20:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:06,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:20:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 12:20:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:06,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 12:20:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:06,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 12:20:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 12:20:06,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:20:06,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792609834] [2024-10-11 12:20:06,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792609834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:20:06,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:20:06,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:20:06,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465152542] [2024-10-11 12:20:06,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:20:06,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 12:20:06,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:20:06,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 12:20:06,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:20:06,107 INFO L87 Difference]: Start difference. First operand has 34 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 12:20:06,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:20:06,141 INFO L93 Difference]: Finished difference Result 65 states and 110 transitions. [2024-10-11 12:20:06,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 12:20:06,144 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 73 [2024-10-11 12:20:06,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:20:06,150 INFO L225 Difference]: With dead ends: 65 [2024-10-11 12:20:06,151 INFO L226 Difference]: Without dead ends: 32 [2024-10-11 12:20:06,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:20:06,157 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:20:06,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:20:06,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-11 12:20:06,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-10-11 12:20:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 12:20:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2024-10-11 12:20:06,284 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 73 [2024-10-11 12:20:06,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:20:06,287 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2024-10-11 12:20:06,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 12:20:06,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-10-11 12:20:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-11 12:20:06,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:20:06,293 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:20:06,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 12:20:06,295 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:20:06,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:20:06,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1924979285, now seen corresponding path program 1 times [2024-10-11 12:20:06,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:20:06,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560038214] [2024-10-11 12:20:06,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:20:06,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:20:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 12:20:06,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878464464] [2024-10-11 12:20:06,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:20:06,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:20:06,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:20:06,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:20:06,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 12:20:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 12:20:06,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 12:20:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 12:20:06,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 12:20:06,644 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 12:20:06,647 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 12:20:06,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 12:20:06,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:20:06,856 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 12:20:06,909 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 12:20:06,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:06 BoogieIcfgContainer [2024-10-11 12:20:06,913 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 12:20:06,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 12:20:06,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 12:20:06,914 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 12:20:06,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:05" (3/4) ... [2024-10-11 12:20:06,916 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 12:20:06,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 12:20:06,922 INFO L158 Benchmark]: Toolchain (without parser) took 2519.55ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 74.0MB in the beginning and 151.1MB in the end (delta: -77.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 12:20:06,923 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 12:20:06,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.88ms. Allocated memory is still 146.8MB. Free memory was 73.8MB in the beginning and 60.7MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 12:20:06,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.54ms. Allocated memory is still 146.8MB. Free memory was 60.7MB in the beginning and 58.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 12:20:06,926 INFO L158 Benchmark]: Boogie Preprocessor took 98.90ms. Allocated memory is still 146.8MB. Free memory was 58.8MB in the beginning and 117.4MB in the end (delta: -58.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-10-11 12:20:06,927 INFO L158 Benchmark]: RCFGBuilder took 366.49ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 117.3MB in the beginning and 162.9MB in the end (delta: -45.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-10-11 12:20:06,927 INFO L158 Benchmark]: TraceAbstraction took 1483.09ms. Allocated memory is still 203.4MB. Free memory was 162.9MB in the beginning and 152.1MB in the end (delta: 10.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-10-11 12:20:06,929 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 203.4MB. Free memory was 152.1MB in the beginning and 151.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 12:20:06,933 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.88ms. Allocated memory is still 146.8MB. Free memory was 73.8MB in the beginning and 60.7MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.54ms. Allocated memory is still 146.8MB. Free memory was 60.7MB in the beginning and 58.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.90ms. Allocated memory is still 146.8MB. Free memory was 58.8MB in the beginning and 117.4MB in the end (delta: -58.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 366.49ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 117.3MB in the beginning and 162.9MB in the end (delta: -45.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1483.09ms. Allocated memory is still 203.4MB. Free memory was 162.9MB in the beginning and 152.1MB in the end (delta: 10.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 203.4MB. Free memory was 152.1MB in the beginning and 151.1MB 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 68, overapproximation of someUnaryDOUBLEoperation at line 24. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] double var_1_2 = 99999.67; [L24] double var_1_3 = -0.05; [L25] signed short int var_1_4 = 128; [L26] signed short int var_1_5 = 128; [L27] signed long int var_1_6 = -10; [L28] double var_1_7 = 8.6; [L29] unsigned char var_1_8 = 1; [L72] isInitial = 1 [L73] FCALL initially() [L74] COND TRUE 1 [L75] FCALL updateLastVariables() [L76] CALL updateVariables() [L45] var_1_2 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=128, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=128, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L46] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_4=128, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L47] var_1_3 = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=128, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=128, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L48] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_4=128, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L49] var_1_4 = __VERIFIER_nondet_short() [L50] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L50] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, var_1_1=5, var_1_4=1, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L51] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L51] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_1=5, var_1_4=1, var_1_5=128, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L52] var_1_5 = __VERIFIER_nondet_short() [L53] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L53] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L54] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L54] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L55] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L55] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=-10, var_1_7=43/5, var_1_8=1] [L56] var_1_6 = __VERIFIER_nondet_long() [L57] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_7=43/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_7=43/5, var_1_8=1] [L57] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_7=43/5, var_1_8=1] [L58] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_7=43/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_7=43/5, var_1_8=1] [L58] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_7=43/5, var_1_8=1] [L59] var_1_7 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_8=1] [L60] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_8=1] [L61] var_1_8 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1] [L62] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1] [L63] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_8=0] [L63] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_8=0] [L76] RET updateVariables() [L77] CALL step() [L33] unsigned char stepLocal_0 = ((((63.6) < (var_1_2)) ? (63.6) : (var_1_2))) != var_1_3; VAL [isInitial=1, stepLocal_0=0, var_1_1=5, var_1_4=1, var_1_5=2, var_1_6=1, var_1_8=0] [L34] COND FALSE !(stepLocal_0 && ((var_1_4 / var_1_5) < var_1_6)) [L41] var_1_1 = 10 VAL [isInitial=1, var_1_1=10, var_1_4=1, var_1_5=2, var_1_6=1, var_1_8=0] [L77] RET step() [L78] CALL, EXPR property() [L68-L69] return ((((((63.6) < (var_1_2)) ? (63.6) : (var_1_2))) != var_1_3) && ((var_1_4 / var_1_5) < var_1_6)) ? ((var_1_3 >= (var_1_2 + var_1_7)) ? (var_1_1 == ((unsigned char) var_1_8)) : (var_1_1 == ((unsigned char) var_1_8))) : (var_1_1 == ((unsigned char) 10)) ; [L78] RET, EXPR property() [L78] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=10, var_1_4=1, var_1_5=2, var_1_6=1, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_1=10, var_1_4=1, var_1_5=2, var_1_6=1, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 42 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 264/264 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 12:20:06,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 31c38fc0029b15eea235546e14c5b61b4e70b436ee39f6c640a47d6a6b4e9a18 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:20:09,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:20:09,423 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 12:20:09,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:20:09,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:20:09,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:20:09,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:20:09,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:20:09,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:20:09,460 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:20:09,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:20:09,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:20:09,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:20:09,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:20:09,464 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:20:09,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:20:09,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:20:09,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:20:09,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:20:09,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:20:09,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:20:09,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:20:09,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:20:09,470 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 12:20:09,470 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 12:20:09,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:20:09,473 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 12:20:09,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:20:09,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:20:09,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:20:09,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:20:09,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:20:09,475 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:20:09,475 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:20:09,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:20:09,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:20:09,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:20:09,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:20:09,477 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 12:20:09,477 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 12:20:09,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:20:09,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:20:09,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:20:09,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:20:09,480 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 12:20:09,480 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31c38fc0029b15eea235546e14c5b61b4e70b436ee39f6c640a47d6a6b4e9a18 [2024-10-11 12:20:09,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:20:09,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:20:09,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:20:09,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:20:09,887 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:20:09,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i [2024-10-11 12:20:11,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:20:11,863 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:20:11,864 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i [2024-10-11 12:20:11,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/03e8f3ad0/d6d8afe83ef14b478f61c14bcd289bbb/FLAG581a05acb [2024-10-11 12:20:11,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/03e8f3ad0/d6d8afe83ef14b478f61c14bcd289bbb [2024-10-11 12:20:11,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:20:11,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:20:11,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:20:11,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:20:11,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:20:11,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:11" (1/1) ... [2024-10-11 12:20:11,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f3d611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:11, skipping insertion in model container [2024-10-11 12:20:11,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:11" (1/1) ... [2024-10-11 12:20:11,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:20:12,198 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i[915,928] [2024-10-11 12:20:12,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:20:12,245 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:20:12,257 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-50.i[915,928] [2024-10-11 12:20:12,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:20:12,285 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:20:12,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12 WrapperNode [2024-10-11 12:20:12,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:20:12,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:20:12,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:20:12,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:20:12,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,322 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81 [2024-10-11 12:20:12,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:20:12,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:20:12,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:20:12,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:20:12,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,337 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,356 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 12:20:12,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:20:12,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:20:12,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:20:12,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:20:12,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2024-10-11 12:20:12,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:20:12,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:20:12,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:20:12,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 12:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:20:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:20:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:20:12,551 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:20:12,554 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:20:13,268 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-11 12:20:13,269 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:20:13,310 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:20:13,311 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:20:13,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:13 BoogieIcfgContainer [2024-10-11 12:20:13,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:20:13,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:20:13,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:20:13,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:20:13,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:11" (1/3) ... [2024-10-11 12:20:13,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228b9b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:13, skipping insertion in model container [2024-10-11 12:20:13,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (2/3) ... [2024-10-11 12:20:13,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228b9b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:13, skipping insertion in model container [2024-10-11 12:20:13,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:13" (3/3) ... [2024-10-11 12:20:13,322 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-50.i [2024-10-11 12:20:13,339 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:20:13,339 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:20:13,416 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:20:13,425 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;@329ed2b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:20:13,425 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:20:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 12:20:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-11 12:20:13,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:20:13,439 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:20:13,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:20:13,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:20:13,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1445116391, now seen corresponding path program 1 times [2024-10-11 12:20:13,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 12:20:13,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565484860] [2024-10-11 12:20:13,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:20:13,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 12:20:13,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 12:20:13,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 12:20:13,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 12:20:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:13,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 12:20:13,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:20:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-10-11 12:20:13,699 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 12:20:13,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 12:20:13,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565484860] [2024-10-11 12:20:13,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565484860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:20:13,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:20:13,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:20:13,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307343849] [2024-10-11 12:20:13,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:20:13,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 12:20:13,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 12:20:13,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 12:20:13,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:20:13,729 INFO L87 Difference]: Start difference. First operand has 34 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 12:20:13,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:20:13,788 INFO L93 Difference]: Finished difference Result 65 states and 110 transitions. [2024-10-11 12:20:13,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 12:20:13,797 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 73 [2024-10-11 12:20:13,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:20:13,804 INFO L225 Difference]: With dead ends: 65 [2024-10-11 12:20:13,805 INFO L226 Difference]: Without dead ends: 32 [2024-10-11 12:20:13,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:20:13,812 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:20:13,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:20:13,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-11 12:20:13,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-10-11 12:20:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 12:20:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2024-10-11 12:20:13,873 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 73 [2024-10-11 12:20:13,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:20:13,875 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2024-10-11 12:20:13,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 12:20:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-10-11 12:20:13,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-11 12:20:13,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:20:13,881 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:20:13,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Forceful destruction successful, exit code 0 [2024-10-11 12:20:14,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 12:20:14,086 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:20:14,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:20:14,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1924979285, now seen corresponding path program 1 times [2024-10-11 12:20:14,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 12:20:14,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585098955] [2024-10-11 12:20:14,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:20:14,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 12:20:14,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 12:20:14,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 12:20:14,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 12:20:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:14,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 12:20:14,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:20:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 12:20:16,861 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 12:20:16,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 12:20:16,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585098955] [2024-10-11 12:20:16,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585098955] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:20:16,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:20:16,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 12:20:16,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104067515] [2024-10-11 12:20:16,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:20:16,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 12:20:16,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 12:20:16,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 12:20:16,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:20:16,864 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-11 12:20:18,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:20:18,375 INFO L93 Difference]: Finished difference Result 38 states and 51 transitions. [2024-10-11 12:20:18,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 12:20:18,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 73 [2024-10-11 12:20:18,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:20:18,383 INFO L225 Difference]: With dead ends: 38 [2024-10-11 12:20:18,383 INFO L226 Difference]: Without dead ends: 36 [2024-10-11 12:20:18,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 12:20:18,385 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:20:18,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 131 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 12:20:18,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-11 12:20:18,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2024-10-11 12:20:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 12:20:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2024-10-11 12:20:18,392 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 47 transitions. Word has length 73 [2024-10-11 12:20:18,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:20:18,393 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 47 transitions. [2024-10-11 12:20:18,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-11 12:20:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2024-10-11 12:20:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 12:20:18,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:20:18,396 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:20:18,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Ended with exit code 0 [2024-10-11 12:20:18,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 12:20:18,598 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:20:18,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:20:18,599 INFO L85 PathProgramCache]: Analyzing trace with hash 445939482, now seen corresponding path program 1 times [2024-10-11 12:20:18,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 12:20:18,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324044468] [2024-10-11 12:20:18,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:20:18,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 12:20:18,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 12:20:18,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 12:20:18,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-11 12:20:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:20:18,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 12:20:18,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:20:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 12:20:21,854 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 12:20:21,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 12:20:21,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324044468] [2024-10-11 12:20:21,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1324044468] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:20:21,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:20:21,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 12:20:21,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816060856] [2024-10-11 12:20:21,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:20:21,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 12:20:21,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 12:20:21,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 12:20:21,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 12:20:21,858 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-11 12:20:23,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:20:23,907 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2024-10-11 12:20:23,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 12:20:23,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 74 [2024-10-11 12:20:23,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:20:23,916 INFO L225 Difference]: With dead ends: 36 [2024-10-11 12:20:23,916 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 12:20:23,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 12:20:23,918 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 7 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 12:20:23,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 124 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 12:20:23,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 12:20:23,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 12:20:23,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 12:20:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 12:20:23,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-10-11 12:20:23,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:20:23,920 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 12:20:23,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-11 12:20:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 12:20:23,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 12:20:23,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 12:20:23,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-11 12:20:24,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 12:20:24,133 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 12:20:24,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 12:20:24,175 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 12:20:24,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:24 BoogieIcfgContainer [2024-10-11 12:20:24,208 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 12:20:24,214 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 12:20:24,214 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 12:20:24,215 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 12:20:24,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:13" (3/4) ... [2024-10-11 12:20:24,218 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 12:20:24,225 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-11 12:20:24,239 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-11 12:20:24,239 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-11 12:20:24,240 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 12:20:24,240 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 12:20:24,437 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 12:20:24,438 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 12:20:24,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 12:20:24,438 INFO L158 Benchmark]: Toolchain (without parser) took 12543.73ms. Allocated memory was 71.3MB in the beginning and 159.4MB in the end (delta: 88.1MB). Free memory was 29.4MB in the beginning and 60.4MB in the end (delta: -31.0MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2024-10-11 12:20:24,439 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 12:20:24,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.77ms. Allocated memory is still 71.3MB. Free memory was 29.1MB in the beginning and 39.0MB in the end (delta: -9.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-10-11 12:20:24,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.85ms. Allocated memory is still 71.3MB. Free memory was 39.0MB in the beginning and 37.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 12:20:24,442 INFO L158 Benchmark]: Boogie Preprocessor took 56.58ms. Allocated memory is still 71.3MB. Free memory was 37.3MB in the beginning and 34.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 12:20:24,442 INFO L158 Benchmark]: RCFGBuilder took 931.03ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 34.9MB in the beginning and 78.0MB in the end (delta: -43.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 12:20:24,442 INFO L158 Benchmark]: TraceAbstraction took 10894.57ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 77.3MB in the beginning and 64.6MB in the end (delta: 12.7MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-10-11 12:20:24,443 INFO L158 Benchmark]: Witness Printer took 223.55ms. Allocated memory is still 159.4MB. Free memory was 64.6MB in the beginning and 60.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 12:20:24,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.77ms. Allocated memory is still 71.3MB. Free memory was 29.1MB in the beginning and 39.0MB in the end (delta: -9.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.85ms. Allocated memory is still 71.3MB. Free memory was 39.0MB in the beginning and 37.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.58ms. Allocated memory is still 71.3MB. Free memory was 37.3MB in the beginning and 34.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 931.03ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 34.9MB in the beginning and 78.0MB in the end (delta: -43.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10894.57ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 77.3MB in the beginning and 64.6MB in the end (delta: 12.7MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * Witness Printer took 223.55ms. Allocated memory is still 159.4MB. Free memory was 64.6MB in the beginning and 60.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 3, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 297 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 179 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 118 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 459 SizeOfPredicates, 16 NumberOfNonLiveVariables, 359 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 792/792 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2024-10-11 12:20:24,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE