./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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-42.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 1b6679b66df394d112d70edcc29d7c1d17ec70623c6c663e910f39926affa591 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:17:26,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:17:26,258 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:17:26,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:17:26,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:17:26,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:17:26,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:17:26,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:17:26,296 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:17:26,297 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:17:26,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:17:26,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:17:26,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:17:26,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:17:26,302 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:17:26,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:17:26,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:17:26,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:17:26,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:17:26,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:17:26,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:17:26,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:17:26,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:17:26,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:17:26,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:17:26,307 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:17:26,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:17:26,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:17:26,308 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:17:26,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:17:26,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:17:26,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:17:26,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:17:26,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:17:26,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:17:26,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:17:26,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:17:26,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:17:26,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:17:26,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:17:26,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:17:26,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:17:26,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6679b66df394d112d70edcc29d7c1d17ec70623c6c663e910f39926affa591 [2024-11-10 08:17:26,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:17:26,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:17:26,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:17:26,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:17:26,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:17:26,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2024-11-10 08:17:28,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:17:28,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:17:28,380 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2024-11-10 08:17:28,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6498216/e8a06db79c2e4342a02bac51aaa41947/FLAG5b4f6ff13 [2024-11-10 08:17:28,400 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6498216/e8a06db79c2e4342a02bac51aaa41947 [2024-11-10 08:17:28,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:17:28,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:17:28,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:17:28,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:17:28,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:17:28,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4c74d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28, skipping insertion in model container [2024-11-10 08:17:28,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,430 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:17:28,611 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-42.i[915,928] [2024-11-10 08:17:28,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:17:28,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:17:28,655 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-42.i[915,928] [2024-11-10 08:17:28,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:17:28,681 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:17:28,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28 WrapperNode [2024-11-10 08:17:28,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:17:28,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:17:28,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:17:28,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:17:28,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,713 INFO L138 Inliner]: procedures = 26, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 55 [2024-11-10 08:17:28,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:17:28,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:17:28,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:17:28,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:17:28,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,734 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]. [2024-11-10 08:17:28,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,743 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:17:28,751 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:17:28,751 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:17:28,751 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:17:28,752 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (1/1) ... [2024-11-10 08:17:28,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:17:28,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:17:28,797 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) [2024-11-10 08:17:28,831 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 [2024-11-10 08:17:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:17:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:17:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:17:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:17:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:17:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:17:28,956 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:17:28,958 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:17:29,086 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-10 08:17:29,086 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:17:29,098 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:17:29,099 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:17:29,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:17:29 BoogieIcfgContainer [2024-11-10 08:17:29,099 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:17:29,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:17:29,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:17:29,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:17:29,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:17:28" (1/3) ... [2024-11-10 08:17:29,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5413836f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:17:29, skipping insertion in model container [2024-11-10 08:17:29,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:28" (2/3) ... [2024-11-10 08:17:29,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5413836f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:17:29, skipping insertion in model container [2024-11-10 08:17:29,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:17:29" (3/3) ... [2024-11-10 08:17:29,112 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-42.i [2024-11-10 08:17:29,137 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:17:29,137 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:17:29,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:17:29,206 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;@21897059, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:17:29,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:17:29,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 08:17:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 08:17:29,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:17:29,217 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:17:29,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:17:29,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:17:29,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1869698980, now seen corresponding path program 1 times [2024-11-10 08:17:29,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:17:29,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141583781] [2024-11-10 08:17:29,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:17:29,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:17:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:29,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:17:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:29,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:17:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:29,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:17:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 08:17:29,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:17:29,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141583781] [2024-11-10 08:17:29,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141583781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:17:29,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:17:29,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:17:29,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383940614] [2024-11-10 08:17:29,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:17:29,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:17:29,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:17:29,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:17:29,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:17:29,449 INFO L87 Difference]: Start difference. First operand has 28 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 08:17:29,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:17:29,464 INFO L93 Difference]: Finished difference Result 48 states and 64 transitions. [2024-11-10 08:17:29,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:17:29,466 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-10 08:17:29,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:17:29,471 INFO L225 Difference]: With dead ends: 48 [2024-11-10 08:17:29,471 INFO L226 Difference]: Without dead ends: 23 [2024-11-10 08:17:29,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:17:29,477 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:17:29,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:17:29,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-10 08:17:29,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-10 08:17:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 08:17:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-10 08:17:29,508 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 29 [2024-11-10 08:17:29,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:17:29,509 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-10 08:17:29,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 08:17:29,510 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-10 08:17:29,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 08:17:29,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:17:29,511 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:17:29,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:17:29,512 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:17:29,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:17:29,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1374002211, now seen corresponding path program 1 times [2024-11-10 08:17:29,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:17:29,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945585741] [2024-11-10 08:17:29,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:17:29,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:17:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 08:17:29,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 08:17:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 08:17:29,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 08:17:29,681 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 08:17:29,682 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 08:17:29,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:17:29,688 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 08:17:29,729 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 08:17:29,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:17:29 BoogieIcfgContainer [2024-11-10 08:17:29,734 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 08:17:29,734 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 08:17:29,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 08:17:29,737 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 08:17:29,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:17:29" (3/4) ... [2024-11-10 08:17:29,740 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 08:17:29,743 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 08:17:29,744 INFO L158 Benchmark]: Toolchain (without parser) took 1340.74ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 87.7MB in the beginning and 129.6MB in the end (delta: -41.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-11-10 08:17:29,744 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 08:17:29,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.27ms. Allocated memory is still 144.7MB. Free memory was 87.5MB in the beginning and 74.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 08:17:29,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.07ms. Allocated memory is still 144.7MB. Free memory was 74.3MB in the beginning and 72.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 08:17:29,746 INFO L158 Benchmark]: Boogie Preprocessor took 36.25ms. Allocated memory is still 144.7MB. Free memory was 72.8MB in the beginning and 71.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 08:17:29,746 INFO L158 Benchmark]: IcfgBuilder took 348.67ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 71.0MB in the beginning and 161.1MB in the end (delta: -90.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-10 08:17:29,747 INFO L158 Benchmark]: TraceAbstraction took 631.98ms. Allocated memory is still 197.1MB. Free memory was 161.1MB in the beginning and 129.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-10 08:17:29,747 INFO L158 Benchmark]: Witness Printer took 8.89ms. Allocated memory is still 197.1MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 08:17:29,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.27ms. Allocated memory is still 144.7MB. Free memory was 87.5MB in the beginning and 74.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.07ms. Allocated memory is still 144.7MB. Free memory was 74.3MB in the beginning and 72.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.25ms. Allocated memory is still 144.7MB. Free memory was 72.8MB in the beginning and 71.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 348.67ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 71.0MB in the beginning and 161.1MB in the end (delta: -90.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * TraceAbstraction took 631.98ms. Allocated memory is still 197.1MB. Free memory was 161.1MB in the beginning and 129.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 8.89ms. Allocated memory is still 197.1MB. Free memory is still 129.6MB. 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 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 5; [L23] signed char var_1_7 = 32; [L24] signed char var_1_8 = 16; [L25] signed char var_1_9 = 32; [L26] float var_1_10 = 127.725; [L27] float var_1_11 = 2.2; VAL [isInitial=0, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=16, var_1_9=32] [L54] isInitial = 1 [L55] FCALL initially() [L56] COND TRUE 1 [L57] FCALL updateLastVariables() [L58] CALL updateVariables() [L41] var_1_8 = __VERIFIER_nondet_char() [L42] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=126, var_1_9=32] [L42] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=126, var_1_9=32] [L43] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=126, var_1_9=32] [L43] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=126, var_1_9=32] [L44] var_1_11 = __VERIFIER_nondet_float() [L45] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5109/40, var_1_1=5, var_1_7=32, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5109/40, var_1_1=5, var_1_7=32, var_1_8=126, var_1_9=32] [L45] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5109/40, var_1_1=5, var_1_7=32, var_1_8=126, var_1_9=32] [L58] RET updateVariables() [L59] CALL step() [L31] var_1_7 = var_1_8 [L32] var_1_9 = var_1_8 [L33] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=257, var_1_11=257, var_1_1=5, var_1_7=126, var_1_8=126, var_1_9=126] [L34] COND TRUE (var_1_10 * var_1_10) > var_1_10 [L35] var_1_1 = (var_1_7 + var_1_7) VAL [isInitial=1, var_1_10=257, var_1_11=257, var_1_1=252, var_1_7=126, var_1_8=126, var_1_9=126] [L59] RET step() [L60] CALL, EXPR property() [L50-L51] return (((((var_1_10 * var_1_10) > var_1_10) ? (var_1_1 == ((signed long int) (var_1_7 + var_1_7))) : (var_1_1 == ((signed long int) ((((var_1_7) > (5)) ? (var_1_7) : (5)))))) && (var_1_7 == ((signed char) var_1_8))) && (var_1_9 == ((signed char) var_1_8))) && (var_1_10 == ((float) var_1_11)) ; VAL [\result=0, isInitial=1, var_1_10=257, var_1_11=257, var_1_1=252, var_1_7=126, var_1_8=126, var_1_9=126] [L60] RET, EXPR property() [L60] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=257, var_1_11=257, var_1_1=252, var_1_7=126, var_1_8=126, var_1_9=126] [L19] reach_error() VAL [isInitial=1, var_1_10=257, var_1_11=257, var_1_1=252, var_1_7=126, var_1_8=126, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 12/12 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 [2024-11-10 08:17:29,776 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-42.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 1b6679b66df394d112d70edcc29d7c1d17ec70623c6c663e910f39926affa591 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:17:32,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:17:32,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-10 08:17:32,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:17:32,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:17:32,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:17:32,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:17:32,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:17:32,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:17:32,142 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:17:32,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:17:32,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:17:32,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:17:32,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:17:32,148 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:17:32,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:17:32,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:17:32,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:17:32,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:17:32,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:17:32,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:17:32,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:17:32,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:17:32,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 08:17:32,155 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 08:17:32,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:17:32,156 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 08:17:32,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:17:32,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:17:32,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:17:32,157 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:17:32,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:17:32,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:17:32,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:17:32,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:17:32,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:17:32,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:17:32,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:17:32,160 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 08:17:32,161 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 08:17:32,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:17:32,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:17:32,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:17:32,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:17:32,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6679b66df394d112d70edcc29d7c1d17ec70623c6c663e910f39926affa591 [2024-11-10 08:17:32,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:17:32,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:17:32,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:17:32,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:17:32,540 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:17:32,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2024-11-10 08:17:34,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:17:34,382 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:17:34,382 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2024-11-10 08:17:34,393 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1537b9263/f344d0807e9443cd9b5418ec6ec54385/FLAG77fa9b2dd [2024-11-10 08:17:34,416 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1537b9263/f344d0807e9443cd9b5418ec6ec54385 [2024-11-10 08:17:34,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:17:34,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:17:34,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:17:34,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:17:34,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:17:34,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390ac231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34, skipping insertion in model container [2024-11-10 08:17:34,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:17:34,660 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-42.i[915,928] [2024-11-10 08:17:34,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:17:34,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:17:34,730 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-42.i[915,928] [2024-11-10 08:17:34,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:17:34,768 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:17:34,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34 WrapperNode [2024-11-10 08:17:34,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:17:34,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:17:34,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:17:34,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:17:34,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,821 INFO L138 Inliner]: procedures = 27, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 54 [2024-11-10 08:17:34,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:17:34,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:17:34,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:17:34,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:17:34,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,838 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,862 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]. [2024-11-10 08:17:34,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:17:34,894 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:17:34,894 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:17:34,894 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:17:34,895 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (1/1) ... [2024-11-10 08:17:34,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:17:34,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:17:34,933 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) [2024-11-10 08:17:34,940 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 [2024-11-10 08:17:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:17:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 08:17:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:17:34,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:17:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:17:34,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:17:35,058 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:17:35,062 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:17:35,523 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-10 08:17:35,523 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:17:35,538 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:17:35,539 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:17:35,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:17:35 BoogieIcfgContainer [2024-11-10 08:17:35,539 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:17:35,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:17:35,543 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:17:35,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:17:35,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:17:34" (1/3) ... [2024-11-10 08:17:35,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c725930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:17:35, skipping insertion in model container [2024-11-10 08:17:35,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:34" (2/3) ... [2024-11-10 08:17:35,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c725930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:17:35, skipping insertion in model container [2024-11-10 08:17:35,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:17:35" (3/3) ... [2024-11-10 08:17:35,550 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-42.i [2024-11-10 08:17:35,569 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:17:35,570 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:17:35,637 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:17:35,647 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;@7a8e3c08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:17:35,648 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:17:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 08:17:35,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 08:17:35,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:17:35,660 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:17:35,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:17:35,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:17:35,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1869698980, now seen corresponding path program 1 times [2024-11-10 08:17:35,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 08:17:35,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598151067] [2024-11-10 08:17:35,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:17:35,683 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 [2024-11-10 08:17:35,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 08:17:35,687 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) [2024-11-10 08:17:35,688 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 [2024-11-10 08:17:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:35,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 08:17:35,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:17:35,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 08:17:35,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 08:17:35,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 08:17:35,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598151067] [2024-11-10 08:17:35,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598151067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:17:35,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:17:35,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:17:35,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902484215] [2024-11-10 08:17:35,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:17:35,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:17:35,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 08:17:35,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:17:35,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:17:35,951 INFO L87 Difference]: Start difference. First operand has 28 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 08:17:35,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:17:35,973 INFO L93 Difference]: Finished difference Result 48 states and 64 transitions. [2024-11-10 08:17:35,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:17:35,977 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-10 08:17:35,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:17:35,983 INFO L225 Difference]: With dead ends: 48 [2024-11-10 08:17:35,984 INFO L226 Difference]: Without dead ends: 23 [2024-11-10 08:17:35,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:17:35,994 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:17:35,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:17:36,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-10 08:17:36,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-10 08:17:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 08:17:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-10 08:17:36,025 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 29 [2024-11-10 08:17:36,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:17:36,026 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-10 08:17:36,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 08:17:36,026 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-10 08:17:36,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 08:17:36,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:17:36,028 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:17:36,035 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 [2024-11-10 08:17:36,228 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 [2024-11-10 08:17:36,229 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:17:36,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:17:36,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1374002211, now seen corresponding path program 1 times [2024-11-10 08:17:36,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 08:17:36,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030029048] [2024-11-10 08:17:36,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:17:36,232 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 [2024-11-10 08:17:36,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 08:17:36,234 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) [2024-11-10 08:17:36,235 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 [2024-11-10 08:17:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:36,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 08:17:36,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:17:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 08:17:41,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 08:17:41,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 08:17:41,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030029048] [2024-11-10 08:17:41,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030029048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:17:41,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:17:41,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 08:17:41,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945818568] [2024-11-10 08:17:41,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:17:41,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 08:17:41,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 08:17:41,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 08:17:41,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 08:17:41,885 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 08:17:47,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:17:47,064 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2024-11-10 08:17:47,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 08:17:47,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-10 08:17:47,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:17:47,072 INFO L225 Difference]: With dead ends: 40 [2024-11-10 08:17:47,072 INFO L226 Difference]: Without dead ends: 37 [2024-11-10 08:17:47,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 08:17:47,074 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 44 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 08:17:47,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 100 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 08:17:47,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-10 08:17:47,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2024-11-10 08:17:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 08:17:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2024-11-10 08:17:47,082 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 29 [2024-11-10 08:17:47,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:17:47,082 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2024-11-10 08:17:47,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 08:17:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2024-11-10 08:17:47,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 08:17:47,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:17:47,084 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:17:47,093 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-10 08:17:47,288 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 [2024-11-10 08:17:47,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:17:47,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:17:47,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1402631362, now seen corresponding path program 1 times [2024-11-10 08:17:47,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 08:17:47,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143718552] [2024-11-10 08:17:47,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:17:47,291 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 [2024-11-10 08:17:47,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 08:17:47,294 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-10 08:17:47,295 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 (4)] Waiting until timeout for monitored process [2024-11-10 08:17:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:47,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 08:17:47,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:17:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 08:17:52,526 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 08:17:52,526 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 08:17:52,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143718552] [2024-11-10 08:17:52,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143718552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:17:52,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:17:52,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 08:17:52,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286694052] [2024-11-10 08:17:52,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:17:52,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 08:17:52,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 08:17:52,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 08:17:52,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 08:17:52,529 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 08:17:57,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:17:57,808 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2024-11-10 08:17:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 08:17:57,818 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-10 08:17:57,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:17:57,818 INFO L225 Difference]: With dead ends: 37 [2024-11-10 08:17:57,819 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 08:17:57,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-10 08:17:57,820 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 08:17:57,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 105 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 08:17:57,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 08:17:57,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 08:17:57,821 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) [2024-11-10 08:17:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 08:17:57,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2024-11-10 08:17:57,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:17:57,822 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 08:17:57,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 08:17:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 08:17:57,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 08:17:57,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 08:17:57,836 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 (4)] Ended with exit code 0 [2024-11-10 08:17:58,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-10 08:17:58,033 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-10 08:17:58,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 08:17:59,235 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 08:17:59,252 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-10 08:17:59,253 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-10 08:17:59,255 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-10 08:17:59,255 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-10 08:17:59,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:17:59 BoogieIcfgContainer [2024-11-10 08:17:59,261 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 08:17:59,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 08:17:59,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 08:17:59,265 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 08:17:59,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:17:35" (3/4) ... [2024-11-10 08:17:59,268 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 08:17:59,272 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-10 08:17:59,287 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-10 08:17:59,287 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-10 08:17:59,287 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 08:17:59,287 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 08:17:59,426 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 08:17:59,427 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 08:17:59,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 08:17:59,427 INFO L158 Benchmark]: Toolchain (without parser) took 25007.28ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 67.7MB in the end (delta: -1.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-10 08:17:59,427 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 65.0MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 08:17:59,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.65ms. Allocated memory is still 94.4MB. Free memory was 66.4MB in the beginning and 53.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 08:17:59,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.37ms. Allocated memory is still 94.4MB. Free memory was 53.0MB in the beginning and 51.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 08:17:59,428 INFO L158 Benchmark]: Boogie Preprocessor took 71.34ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 73.1MB in the end (delta: -21.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-11-10 08:17:59,428 INFO L158 Benchmark]: IcfgBuilder took 645.63ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 61.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 08:17:59,429 INFO L158 Benchmark]: TraceAbstraction took 23718.21ms. Allocated memory is still 94.4MB. Free memory was 60.6MB in the beginning and 41.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-10 08:17:59,429 INFO L158 Benchmark]: Witness Printer took 162.67ms. Allocated memory is still 94.4MB. Free memory was 40.7MB in the beginning and 67.7MB in the end (delta: -27.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 08:17:59,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 65.0MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.65ms. Allocated memory is still 94.4MB. Free memory was 66.4MB in the beginning and 53.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.37ms. Allocated memory is still 94.4MB. Free memory was 53.0MB in the beginning and 51.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.34ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 73.1MB in the end (delta: -21.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * IcfgBuilder took 645.63ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 61.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 23718.21ms. Allocated memory is still 94.4MB. Free memory was 60.6MB in the beginning and 41.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Witness Printer took 162.67ms. Allocated memory is still 94.4MB. Free memory was 40.7MB in the beginning and 67.7MB in the end (delta: -27.0MB). Peak memory consumption was 2.1MB. 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: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.4s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 231 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 164 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 67 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 12.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=2, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 373 SizeOfPredicates, 14 NumberOfNonLiveVariables, 177 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 36/36 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: 56]: Location Invariant Derived location invariant: null - 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_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! [2024-11-10 08:17:59,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE