./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:31:25,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:31:25,786 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:31:25,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:31:25,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:31:25,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:31:25,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:31:25,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:31:25,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:31:25,843 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:31:25,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:31:25,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:31:25,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:31:25,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:31:25,845 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:31:25,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:31:25,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:31:25,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:31:25,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:31:25,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:31:25,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:31:25,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:31:25,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:31:25,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:31:25,851 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:31:25,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:31:25,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:31:25,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:31:25,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:31:25,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:31:25,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:31:25,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:31:25,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:31:25,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:31:25,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:31:25,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:31:25,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:31:25,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:31:25,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:31:25,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:31:25,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:31:25,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:31:25,857 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 [2024-11-09 00:31:26,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:31:26,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:31:26,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:31:26,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:31:26,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:31:26,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-09 00:31:27,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:31:27,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:31:27,731 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-09 00:31:27,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3064c951/719fc005a9254450a1f37128964b3d06/FLAG7678f4389 [2024-11-09 00:31:28,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3064c951/719fc005a9254450a1f37128964b3d06 [2024-11-09 00:31:28,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:31:28,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:31:28,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:31:28,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:31:28,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:31:28,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418751d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28, skipping insertion in model container [2024-11-09 00:31:28,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:31:28,341 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-11-09 00:31:28,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:31:28,395 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:31:28,408 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-11-09 00:31:28,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:31:28,455 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:31:28,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28 WrapperNode [2024-11-09 00:31:28,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:31:28,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:31:28,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:31:28,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:31:28,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,502 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-11-09 00:31:28,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:31:28,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:31:28,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:31:28,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:31:28,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,534 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 00:31:28,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:31:28,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:31:28,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:31:28,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:31:28,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (1/1) ... [2024-11-09 00:31:28,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:31:28,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:31:28,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 00:31:28,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 00:31:28,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:31:28,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:31:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:31:28,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:31:28,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:31:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:31:28,725 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:31:28,728 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:31:28,969 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:31:28,971 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:31:28,996 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:31:28,997 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:31:28,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:31:28 BoogieIcfgContainer [2024-11-09 00:31:28,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:31:29,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:31:29,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:31:29,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:31:29,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:31:28" (1/3) ... [2024-11-09 00:31:29,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb7e433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:31:29, skipping insertion in model container [2024-11-09 00:31:29,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:28" (2/3) ... [2024-11-09 00:31:29,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb7e433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:31:29, skipping insertion in model container [2024-11-09 00:31:29,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:31:28" (3/3) ... [2024-11-09 00:31:29,008 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-1.i [2024-11-09 00:31:29,025 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:31:29,026 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:31:29,098 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:31:29,108 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;@4090b863, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:31:29,108 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:31:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 00:31:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:31:29,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:31:29,132 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:31:29,133 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:31:29,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:31:29,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1042403981, now seen corresponding path program 1 times [2024-11-09 00:31:29,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:31:29,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814359584] [2024-11-09 00:31:29,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:31:29,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:31:29,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:31:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:31:29,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 00:31:29,529 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 00:31:29,530 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 00:31:29,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:31:29,536 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 00:31:29,601 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 00:31:29,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:31:29 BoogieIcfgContainer [2024-11-09 00:31:29,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 00:31:29,609 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:31:29,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:31:29,610 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:31:29,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:31:28" (3/4) ... [2024-11-09 00:31:29,613 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:31:29,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:31:29,616 INFO L158 Benchmark]: Toolchain (without parser) took 1490.19ms. Allocated memory is still 195.0MB. Free memory was 166.3MB in the beginning and 112.6MB in the end (delta: 53.8MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-11-09 00:31:29,616 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:31:29,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.67ms. Allocated memory is still 195.0MB. Free memory was 166.1MB in the beginning and 157.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-09 00:31:29,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.46ms. Allocated memory is still 195.0MB. Free memory was 156.6MB in the beginning and 154.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:31:29,618 INFO L158 Benchmark]: Boogie Preprocessor took 42.73ms. Allocated memory is still 195.0MB. Free memory was 154.8MB in the beginning and 152.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:31:29,619 INFO L158 Benchmark]: RCFGBuilder took 448.28ms. Allocated memory is still 195.0MB. Free memory was 152.8MB in the beginning and 140.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:31:29,620 INFO L158 Benchmark]: TraceAbstraction took 608.26ms. Allocated memory is still 195.0MB. Free memory was 139.0MB in the beginning and 112.9MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:31:29,620 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 195.0MB. Free memory was 112.9MB in the beginning and 112.6MB in the end (delta: 368.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:31:29,623 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.67ms. Allocated memory is still 195.0MB. Free memory was 166.1MB in the beginning and 157.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.46ms. Allocated memory is still 195.0MB. Free memory was 156.6MB in the beginning and 154.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.73ms. Allocated memory is still 195.0MB. Free memory was 154.8MB in the beginning and 152.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.28ms. Allocated memory is still 195.0MB. Free memory was 152.8MB in the beginning and 140.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 608.26ms. Allocated memory is still 195.0MB. Free memory was 139.0MB in the beginning and 112.9MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 195.0MB. Free memory was 112.9MB in the beginning and 112.6MB in the end (delta: 368.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someUnaryFLOAToperation at line 39. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 9.8; [L23] float var_1_2 = 10.375; [L24] float var_1_4 = 256.2; [L25] unsigned long int var_1_5 = 8; [L26] unsigned long int var_1_6 = 3674304896; [L27] unsigned long int var_1_7 = 8; [L28] unsigned char var_1_8 = 0; [L29] unsigned char var_1_9 = 0; [L30] signed short int var_1_10 = -25; [L31] signed short int var_1_11 = -5; VAL [isInitial=0, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_2=83/8, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L67] isInitial = 1 [L68] FCALL initially() [L69] COND TRUE 1 [L70] FCALL updateLastVariables() [L71] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_float() [L44] 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_10=-25, var_1_11=-5, var_1_1=49/5, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L44] 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_10=-25, var_1_11=-5, var_1_1=49/5, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L45] var_1_4 = __VERIFIER_nondet_float() [L46] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L46] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L47] var_1_6 = __VERIFIER_nondet_ulong() [L48] CALL assume_abort_if_not(var_1_6 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L48] RET assume_abort_if_not(var_1_6 >= 2147483647) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L49] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L49] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=8, var_1_8=0, var_1_9=0] [L50] var_1_7 = __VERIFIER_nondet_ulong() [L51] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_8=0, var_1_9=0] [L51] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_8=0, var_1_9=0] [L52] CALL assume_abort_if_not(var_1_7 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=0] [L52] RET assume_abort_if_not(var_1_7 <= 4294967294) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=0] [L53] var_1_9 = __VERIFIER_nondet_uchar() [L54] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0] [L54] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0] [L55] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L55] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L56] var_1_11 = __VERIFIER_nondet_short() [L57] CALL assume_abort_if_not(var_1_11 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L57] RET assume_abort_if_not(var_1_11 >= -32767) VAL [isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L58] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L58] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, var_1_10=-25, var_1_11=32766, var_1_1=49/5, var_1_5=8, var_1_6=10737418239, var_1_7=4294967296, var_1_8=0, var_1_9=-256] [L71] RET updateVariables() [L72] CALL step() [L35] var_1_5 = (((((var_1_6 - 500u)) < (var_1_7)) ? ((var_1_6 - 500u)) : (var_1_7))) [L36] var_1_8 = var_1_9 [L37] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=49/5, var_1_5=4294967296, var_1_6=10737418239, var_1_7=4294967296, var_1_8=-256, var_1_9=-256] [L38] COND TRUE (var_1_2 <= 8.75f) || var_1_8 [L39] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=10737418244, var_1_4=10737418244, var_1_5=4294967296, var_1_6=10737418239, var_1_7=4294967296, var_1_8=-256, var_1_9=-256] [L72] RET step() [L73] CALL, EXPR property() [L63-L64] return (((((var_1_2 <= 8.75f) || var_1_8) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) && (var_1_5 == ((unsigned long int) (((((var_1_6 - 500u)) < (var_1_7)) ? ((var_1_6 - 500u)) : (var_1_7)))))) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((signed short int) var_1_11)) ; VAL [\result=0, isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=10737418244, var_1_4=10737418244, var_1_5=4294967296, var_1_6=10737418239, var_1_7=4294967296, var_1_8=-256, var_1_9=-256] [L73] RET, EXPR property() [L73] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=10737418244, var_1_4=10737418244, var_1_5=4294967296, var_1_6=10737418239, var_1_7=4294967296, var_1_8=-256, var_1_9=-256] [L19] reach_error() VAL [isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=10737418244, var_1_4=10737418244, var_1_5=4294967296, var_1_6=10737418239, var_1_7=4294967296, var_1_8=-256, var_1_9=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:31:29,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:31:31,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:31:32,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 00:31:32,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:31:32,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:31:32,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:31:32,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:31:32,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:31:32,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:31:32,042 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:31:32,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:31:32,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:31:32,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:31:32,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:31:32,049 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:31:32,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:31:32,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:31:32,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:31:32,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:31:32,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:31:32,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:31:32,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:31:32,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:31:32,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:31:32,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:31:32,058 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:31:32,058 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:31:32,058 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:31:32,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:31:32,059 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:31:32,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:31:32,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:31:32,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:31:32,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:31:32,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:31:32,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:31:32,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:31:32,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:31:32,061 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 00:31:32,061 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:32,061 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:31:32,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:31:32,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:31:32,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:31:32,063 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 [2024-11-09 00:31:32,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:31:32,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:31:32,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:31:32,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:31:32,421 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:31:32,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-09 00:31:33,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:31:34,165 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:31:34,166 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-09 00:31:34,173 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba370a27/966008f304ea43ae9b634e5c54aa6bab/FLAGc5dd5d56e [2024-11-09 00:31:34,199 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba370a27/966008f304ea43ae9b634e5c54aa6bab [2024-11-09 00:31:34,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:31:34,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:31:34,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:31:34,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:31:34,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:31:34,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af2ab75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34, skipping insertion in model container [2024-11-09 00:31:34,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:31:34,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-11-09 00:31:34,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:31:34,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:31:34,505 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-11-09 00:31:34,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:31:34,551 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:31:34,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34 WrapperNode [2024-11-09 00:31:34,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:31:34,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:31:34,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:31:34,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:31:34,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,597 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2024-11-09 00:31:34,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:31:34,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:31:34,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:31:34,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:31:34,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,613 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,630 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 00:31:34,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:31:34,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:31:34,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:31:34,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:31:34,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (1/1) ... [2024-11-09 00:31:34,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:31:34,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:31:34,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 00:31:34,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 00:31:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:31:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 00:31:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:31:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:31:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:31:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:31:34,870 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:31:34,873 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:31:35,113 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:31:35,114 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:31:35,133 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:31:35,134 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:31:35,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:31:35 BoogieIcfgContainer [2024-11-09 00:31:35,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:31:35,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:31:35,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:31:35,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:31:35,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:31:34" (1/3) ... [2024-11-09 00:31:35,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c81f8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:31:35, skipping insertion in model container [2024-11-09 00:31:35,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:34" (2/3) ... [2024-11-09 00:31:35,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c81f8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:31:35, skipping insertion in model container [2024-11-09 00:31:35,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:31:35" (3/3) ... [2024-11-09 00:31:35,150 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-1.i [2024-11-09 00:31:35,168 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:31:35,168 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:31:35,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:31:35,254 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;@7d3de940, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:31:35,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:31:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 00:31:35,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:31:35,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:31:35,271 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:31:35,272 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:31:35,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:31:35,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1042403981, now seen corresponding path program 1 times [2024-11-09 00:31:35,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 00:31:35,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953500593] [2024-11-09 00:31:35,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:31:35,297 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 00:31:35,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 00:31:35,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 00:31:35,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 00:31:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:35,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:31:35,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 43 proven. 24 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-09 00:31:41,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:31:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 00:31:45,972 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 00:31:45,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953500593] [2024-11-09 00:31:45,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [953500593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:31:45,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 00:31:45,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-09 00:31:45,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193638027] [2024-11-09 00:31:45,976 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 00:31:45,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 00:31:45,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 00:31:46,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 00:31:46,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-09 00:31:46,003 INFO L87 Difference]: Start difference. First operand has 36 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 16 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-09 00:31:47,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:31:47,299 INFO L93 Difference]: Finished difference Result 91 states and 138 transitions. [2024-11-09 00:31:47,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 00:31:47,301 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 66 [2024-11-09 00:31:47,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:31:47,308 INFO L225 Difference]: With dead ends: 91 [2024-11-09 00:31:47,308 INFO L226 Difference]: Without dead ends: 58 [2024-11-09 00:31:47,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2024-11-09 00:31:47,318 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 57 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 00:31:47,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 189 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 00:31:47,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-09 00:31:47,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 46. [2024-11-09 00:31:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.064516129032258) internal successors, (33), 32 states have internal predecessors, (33), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 00:31:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2024-11-09 00:31:47,367 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 66 [2024-11-09 00:31:47,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:31:47,368 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2024-11-09 00:31:47,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-09 00:31:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2024-11-09 00:31:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:31:47,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:31:47,371 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:31:47,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 00:31:47,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 00:31:47,576 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:31:47,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:31:47,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1040556939, now seen corresponding path program 1 times [2024-11-09 00:31:47,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 00:31:47,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138053169] [2024-11-09 00:31:47,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:31:47,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 00:31:47,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 00:31:47,582 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 00:31:47,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 00:31:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:47,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:31:47,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-09 00:31:49,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:31:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 00:31:51,156 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 00:31:51,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138053169] [2024-11-09 00:31:51,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138053169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:31:51,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 00:31:51,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2024-11-09 00:31:51,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662466415] [2024-11-09 00:31:51,157 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 00:31:51,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 00:31:51,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 00:31:51,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 00:31:51,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-09 00:31:51,160 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 00:31:51,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:31:51,577 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2024-11-09 00:31:51,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 00:31:51,578 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 66 [2024-11-09 00:31:51,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:31:51,579 INFO L225 Difference]: With dead ends: 64 [2024-11-09 00:31:51,579 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 00:31:51,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2024-11-09 00:31:51,581 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 38 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:31:51,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 164 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:31:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 00:31:51,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 00:31:51,582 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) [2024-11-09 00:31:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 00:31:51,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2024-11-09 00:31:51,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:31:51,582 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 00:31:51,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 00:31:51,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 00:31:51,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:31:51,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 00:31:51,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 00:31:51,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 00:31:51,794 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 00:31:51,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 00:31:53,076 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 00:31:53,085 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,085 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,086 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,086 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,090 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,091 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,091 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,091 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,091 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,092 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,092 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,092 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:31:53,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:31:53 BoogieIcfgContainer [2024-11-09 00:31:53,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 00:31:53,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:31:53,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:31:53,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:31:53,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:31:35" (3/4) ... [2024-11-09 00:31:53,103 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:31:53,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 00:31:53,113 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 00:31:53,113 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 00:31:53,114 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:31:53,114 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:31:53,220 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 00:31:53,221 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 00:31:53,221 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:31:53,222 INFO L158 Benchmark]: Toolchain (without parser) took 19019.54ms. Allocated memory was 69.2MB in the beginning and 564.1MB in the end (delta: 494.9MB). Free memory was 50.1MB in the beginning and 428.5MB in the end (delta: -378.4MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2024-11-09 00:31:53,222 INFO L158 Benchmark]: CDTParser took 2.22ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:31:53,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.80ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 36.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:31:53,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.85ms. Allocated memory is still 69.2MB. Free memory was 36.1MB in the beginning and 34.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:31:53,223 INFO L158 Benchmark]: Boogie Preprocessor took 69.01ms. Allocated memory is still 69.2MB. Free memory was 34.3MB in the beginning and 32.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:31:53,223 INFO L158 Benchmark]: RCFGBuilder took 464.33ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 32.0MB in the beginning and 63.8MB in the end (delta: -31.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:31:53,223 INFO L158 Benchmark]: TraceAbstraction took 17957.72ms. Allocated memory was 94.4MB in the beginning and 564.1MB in the end (delta: 469.8MB). Free memory was 63.0MB in the beginning and 433.8MB in the end (delta: -370.8MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2024-11-09 00:31:53,223 INFO L158 Benchmark]: Witness Printer took 124.33ms. Allocated memory is still 564.1MB. Free memory was 433.8MB in the beginning and 428.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:31:53,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.22ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.80ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 36.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.85ms. Allocated memory is still 69.2MB. Free memory was 36.1MB in the beginning and 34.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.01ms. Allocated memory is still 69.2MB. Free memory was 34.3MB in the beginning and 32.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.33ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 32.0MB in the beginning and 63.8MB in the end (delta: -31.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 17957.72ms. Allocated memory was 94.4MB in the beginning and 564.1MB in the end (delta: 469.8MB). Free memory was 63.0MB in the beginning and 433.8MB in the end (delta: -370.8MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. * Witness Printer took 124.33ms. Allocated memory is still 564.1MB. Free memory was 433.8MB in the beginning and 428.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode * 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, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.6s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 353 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 285 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 448 IncrementalHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 68 mSDtfsCounter, 448 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=1, InterpolantAutomatonStates: 31, 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, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 260 ConstructedInterpolants, 2 QuantifiedInterpolants, 2535 SizeOfPredicates, 32 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 0 PerfectInterpolantSequences, 660/720 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: 69]: Loop Invariant Derived loop invariant: (var_1_9 <= 0) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 00:31:53,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE