./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 383f7b1e116e5846be240d7af86fbed6ff65b0137fd4aa005b1ff8a56ce3e117 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:54:19,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:54:19,982 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 14:54:19,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:54:19,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:54:20,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:54:20,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:54:20,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:54:20,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:54:20,019 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:54:20,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:54:20,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:54:20,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:54:20,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:54:20,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:54:20,021 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:54:20,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:54:20,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:54:20,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 14:54:20,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 14:54:20,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:54:20,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:54:20,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:54:20,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:54:20,023 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 383f7b1e116e5846be240d7af86fbed6ff65b0137fd4aa005b1ff8a56ce3e117 [2025-01-09 14:54:20,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:54:20,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:54:20,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:54:20,240 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:54:20,241 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:54:20,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i [2025-01-09 14:54:21,368 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4fa46a27e/6b1d33eb196e460cb7d86f6b4e60d81a/FLAG742372abb [2025-01-09 14:54:21,614 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:54:21,614 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i [2025-01-09 14:54:21,620 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4fa46a27e/6b1d33eb196e460cb7d86f6b4e60d81a/FLAG742372abb [2025-01-09 14:54:21,932 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4fa46a27e/6b1d33eb196e460cb7d86f6b4e60d81a [2025-01-09 14:54:21,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:54:21,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:54:21,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:54:21,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:54:21,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:54:21,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:54:21" (1/1) ... [2025-01-09 14:54:21,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef3eaba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:21, skipping insertion in model container [2025-01-09 14:54:21,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:54:21" (1/1) ... [2025-01-09 14:54:21,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:54:22,063 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i[915,928] [2025-01-09 14:54:22,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:54:22,141 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:54:22,151 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i[915,928] [2025-01-09 14:54:22,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:54:22,202 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:54:22,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22 WrapperNode [2025-01-09 14:54:22,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:54:22,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:54:22,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:54:22,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:54:22,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,253 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2025-01-09 14:54:22,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:54:22,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:54:22,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:54:22,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:54:22,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,289 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]. [2025-01-09 14:54:22,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,300 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:54:22,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:54:22,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:54:22,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:54:22,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (1/1) ... [2025-01-09 14:54:22,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:54:22,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:54:22,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 14:54:22,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 14:54:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:54:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:54:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:54:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 14:54:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:54:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:54:22,427 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:54:22,429 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:54:22,692 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-01-09 14:54:22,693 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:54:22,700 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:54:22,700 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:54:22,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:54:22 BoogieIcfgContainer [2025-01-09 14:54:22,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:54:22,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:54:22,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:54:22,706 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:54:22,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:54:21" (1/3) ... [2025-01-09 14:54:22,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ed774f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:54:22, skipping insertion in model container [2025-01-09 14:54:22,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:22" (2/3) ... [2025-01-09 14:54:22,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ed774f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:54:22, skipping insertion in model container [2025-01-09 14:54:22,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:54:22" (3/3) ... [2025-01-09 14:54:22,707 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-20.i [2025-01-09 14:54:22,719 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:54:22,721 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-20.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:54:22,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:54:22,781 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;@63d6d750, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:54:22,782 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:54:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 14:54:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-01-09 14:54:22,792 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:54:22,792 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:54:22,793 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:54:22,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:54:22,797 INFO L85 PathProgramCache]: Analyzing trace with hash -146930713, now seen corresponding path program 1 times [2025-01-09 14:54:22,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:54:22,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490892710] [2025-01-09 14:54:22,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:54:22,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:54:22,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 14:54:22,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 14:54:22,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:54:22,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:54:23,048 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-01-09 14:54:23,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:54:23,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490892710] [2025-01-09 14:54:23,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490892710] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 14:54:23,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168016960] [2025-01-09 14:54:23,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:54:23,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:54:23,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:54:23,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 14:54:23,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 14:54:23,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 14:54:23,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 14:54:23,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:54:23,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:54:23,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 14:54:23,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:54:23,203 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-01-09 14:54:23,204 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:54:23,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168016960] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:54:23,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 14:54:23,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 14:54:23,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611663376] [2025-01-09 14:54:23,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:54:23,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 14:54:23,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:54:23,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 14:54:23,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:54:23,230 INFO L87 Difference]: Start difference. First operand has 64 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 14:54:23,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:54:23,254 INFO L93 Difference]: Finished difference Result 122 states and 200 transitions. [2025-01-09 14:54:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 14:54:23,256 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 114 [2025-01-09 14:54:23,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:54:23,261 INFO L225 Difference]: With dead ends: 122 [2025-01-09 14:54:23,262 INFO L226 Difference]: Without dead ends: 61 [2025-01-09 14:54:23,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:54:23,268 INFO L435 NwaCegarLoop]: 89 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, 89 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 [2025-01-09 14:54:23,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:54:23,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-01-09 14:54:23,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-01-09 14:54:23,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 14:54:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2025-01-09 14:54:23,305 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 114 [2025-01-09 14:54:23,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:54:23,306 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2025-01-09 14:54:23,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 14:54:23,306 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2025-01-09 14:54:23,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-01-09 14:54:23,308 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:54:23,308 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:54:23,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 14:54:23,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 14:54:23,509 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:54:23,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:54:23,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1691036641, now seen corresponding path program 1 times [2025-01-09 14:54:23,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:54:23,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848519128] [2025-01-09 14:54:23,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:54:23,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:54:23,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 14:54:23,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 14:54:23,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:54:23,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:54:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-09 14:54:23,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:54:23,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848519128] [2025-01-09 14:54:23,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848519128] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:54:23,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:54:23,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 14:54:23,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611311485] [2025-01-09 14:54:23,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:54:23,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 14:54:23,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:54:23,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 14:54:23,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 14:54:23,718 INFO L87 Difference]: Start difference. First operand 61 states and 89 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 14:54:23,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:54:23,769 INFO L93 Difference]: Finished difference Result 143 states and 208 transitions. [2025-01-09 14:54:23,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 14:54:23,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 114 [2025-01-09 14:54:23,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:54:23,776 INFO L225 Difference]: With dead ends: 143 [2025-01-09 14:54:23,776 INFO L226 Difference]: Without dead ends: 85 [2025-01-09 14:54:23,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 14:54:23,777 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 33 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 14:54:23,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 182 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:54:23,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-01-09 14:54:23,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 64. [2025-01-09 14:54:23,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 14:54:23,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2025-01-09 14:54:23,790 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 114 [2025-01-09 14:54:23,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:54:23,792 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2025-01-09 14:54:23,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 14:54:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2025-01-09 14:54:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-01-09 14:54:23,794 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:54:23,794 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:54:23,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 14:54:23,796 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:54:23,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:54:23,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2017124641, now seen corresponding path program 1 times [2025-01-09 14:54:23,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:54:23,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347111961] [2025-01-09 14:54:23,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:54:23,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:54:23,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 14:54:23,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 14:54:23,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:54:23,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 14:54:23,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709155925] [2025-01-09 14:54:23,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:54:23,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:54:23,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:54:23,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 14:54:23,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 14:54:23,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 14:54:24,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 14:54:24,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:54:24,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:54:24,174 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 14:54:24,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 14:54:24,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 14:54:24,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:54:24,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:54:24,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 14:54:24,267 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 14:54:24,268 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 14:54:24,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 14:54:24,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:54:24,473 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 14:54:24,535 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 14:54:24,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:54:24 BoogieIcfgContainer [2025-01-09 14:54:24,539 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 14:54:24,540 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 14:54:24,540 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 14:54:24,540 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 14:54:24,541 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:54:22" (3/4) ... [2025-01-09 14:54:24,543 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 14:54:24,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 14:54:24,544 INFO L158 Benchmark]: Toolchain (without parser) took 2609.60ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 56.6MB in the end (delta: 65.3MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2025-01-09 14:54:24,544 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:54:24,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.54ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 107.9MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 14:54:24,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.36ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 105.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:54:24,545 INFO L158 Benchmark]: Boogie Preprocessor took 60.66ms. Allocated memory is still 167.8MB. Free memory was 105.0MB in the beginning and 99.6MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:54:24,545 INFO L158 Benchmark]: RCFGBuilder took 385.21ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 78.3MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 14:54:24,545 INFO L158 Benchmark]: TraceAbstraction took 1836.83ms. Allocated memory is still 167.8MB. Free memory was 77.5MB in the beginning and 57.4MB in the end (delta: 20.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2025-01-09 14:54:24,545 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 167.8MB. Free memory was 57.4MB in the beginning and 56.6MB in the end (delta: 830.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:54:24,546 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.54ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 107.9MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.36ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 105.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.66ms. Allocated memory is still 167.8MB. Free memory was 105.0MB in the beginning and 99.6MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 385.21ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 78.3MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1836.83ms. Allocated memory is still 167.8MB. Free memory was 77.5MB in the beginning and 57.4MB in the end (delta: 20.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 167.8MB. Free memory was 57.4MB in the beginning and 56.6MB in the end (delta: 830.6kB). 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 107, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 118, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 60, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] unsigned short int var_1_8 = 100; [L29] float var_1_9 = 255.75; [L30] signed char var_1_10 = 64; [L31] signed char var_1_11 = 32; [L32] signed char var_1_12 = 4; [L33] float var_1_13 = 0.0; [L34] float var_1_14 = 7.25; [L35] float var_1_15 = 8.125; [L36] float var_1_16 = 24.5; [L37] signed short int var_1_17 = -256; [L38] double var_1_18 = 31.5; [L39] unsigned char last_1_var_1_6 = 32; [L40] unsigned short int last_1_var_1_8 = 100; VAL [isInitial=0, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L122] isInitial = 1 [L123] FCALL initially() [L125] CALL updateLastVariables() [L114] last_1_var_1_6 = var_1_6 [L115] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L125] RET updateLastVariables() [L126] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L86] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L87] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L87] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L88] var_1_3 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L89] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L90] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L90] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L91] var_1_4 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L92] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L93] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L93] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L94] var_1_5 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L95] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L96] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L96] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L97] var_1_10 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L98] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L99] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L99] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L100] var_1_11 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L101] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L102] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L102] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L103] var_1_12 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L104] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L105] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L105] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L106] var_1_13 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L107] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L108] var_1_14 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L109] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L110] var_1_16 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L111] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L126] RET updateVariables() [L127] CALL step() [L44] signed long int stepLocal_0 = 64 + (var_1_5 / var_1_3); VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, stepLocal_0=64, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L45] COND TRUE stepLocal_0 != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6)) [L46] var_1_6 = var_1_4 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=100, var_1_9=1023/4] [L50] COND TRUE \read(var_1_2) [L51] var_1_1 = (var_1_3 - var_1_4) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=1, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=100, var_1_9=1023/4] [L55] COND TRUE ((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5 [L56] var_1_9 = (64.8f - (var_1_13 - var_1_14)) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=1, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=100] [L60] var_1_15 = (var_1_14 + var_1_16) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_17=-256, var_1_18=63/2, var_1_1=1, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=100] [L61] COND TRUE \read(var_1_2) [L62] var_1_17 = (var_1_3 + var_1_12) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_17=128, var_1_18=63/2, var_1_1=1, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=100] [L70] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) [L75] var_1_18 = var_1_16 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=128, var_1_18=2, var_1_1=1, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=100] [L77] signed long int stepLocal_1 = var_1_3 - var_1_5; VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, stepLocal_1=128, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=128, var_1_18=2, var_1_1=1, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=100] [L78] COND TRUE (var_1_17 + var_1_6) >= stepLocal_1 [L79] var_1_8 = ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=128, var_1_18=2, var_1_1=1, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=128] [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=128, var_1_18=2, var_1_1=1, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=128] [L118-L119] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=128, var_1_18=2, var_1_1=1, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=128] [L19] reach_error() VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=128, var_1_18=2, var_1_1=1, var_1_2=1, var_1_3=640, var_1_4=-129, var_1_5=256, var_1_6=-129, var_1_8=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 198 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 570 NumberOfCodeBlocks, 570 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 271 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1600/1632 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 14:54:24,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 383f7b1e116e5846be240d7af86fbed6ff65b0137fd4aa005b1ff8a56ce3e117 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:54:26,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:54:26,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 14:54:26,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:54:26,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:54:26,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:54:26,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:54:26,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:54:26,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:54:26,528 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:54:26,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:54:26,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:54:26,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:54:26,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:54:26,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:54:26,532 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:54:26,532 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:54:26,532 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:54:26,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:54:26,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:54:26,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:54:26,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:54:26,533 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 383f7b1e116e5846be240d7af86fbed6ff65b0137fd4aa005b1ff8a56ce3e117 [2025-01-09 14:54:26,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:54:26,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:54:26,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:54:26,780 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:54:26,780 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:54:26,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i [2025-01-09 14:54:27,951 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9410163cf/2111a90c49b048e9a5ddef2b804e41f4/FLAG57adcd2e5 [2025-01-09 14:54:28,161 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:54:28,162 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i [2025-01-09 14:54:28,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9410163cf/2111a90c49b048e9a5ddef2b804e41f4/FLAG57adcd2e5 [2025-01-09 14:54:28,188 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9410163cf/2111a90c49b048e9a5ddef2b804e41f4 [2025-01-09 14:54:28,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:54:28,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:54:28,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:54:28,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:54:28,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:54:28,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c3872b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28, skipping insertion in model container [2025-01-09 14:54:28,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:54:28,330 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i[915,928] [2025-01-09 14:54:28,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:54:28,395 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:54:28,406 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i[915,928] [2025-01-09 14:54:28,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:54:28,457 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:54:28,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28 WrapperNode [2025-01-09 14:54:28,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:54:28,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:54:28,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:54:28,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:54:28,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,502 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2025-01-09 14:54:28,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:54:28,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:54:28,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:54:28,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:54:28,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,514 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,527 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]. [2025-01-09 14:54:28,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,540 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:54:28,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:54:28,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:54:28,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:54:28,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (1/1) ... [2025-01-09 14:54:28,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:54:28,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:54:28,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 14:54:28,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 14:54:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 14:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:54:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:54:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:54:28,689 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:54:28,691 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:54:34,452 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-01-09 14:54:34,453 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:54:34,461 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:54:34,462 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:54:34,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:54:34 BoogieIcfgContainer [2025-01-09 14:54:34,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:54:34,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:54:34,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:54:34,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:54:34,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:54:28" (1/3) ... [2025-01-09 14:54:34,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c1e8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:54:34, skipping insertion in model container [2025-01-09 14:54:34,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:28" (2/3) ... [2025-01-09 14:54:34,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c1e8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:54:34, skipping insertion in model container [2025-01-09 14:54:34,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:54:34" (3/3) ... [2025-01-09 14:54:34,471 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-20.i [2025-01-09 14:54:34,482 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:54:34,484 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-20.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:54:34,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:54:34,539 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;@1ef8611d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:54:34,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:54:34,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 14:54:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-09 14:54:34,549 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:54:34,549 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:54:34,549 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:54:34,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:54:34,554 INFO L85 PathProgramCache]: Analyzing trace with hash -2124287139, now seen corresponding path program 1 times [2025-01-09 14:54:34,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:54:34,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889129125] [2025-01-09 14:54:34,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:54:34,566 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 [2025-01-09 14:54:34,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:54:34,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-01-09 14:54:34,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 14:54:34,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-09 14:54:34,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-09 14:54:34,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:54:34,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:54:34,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 14:54:34,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:54:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-09 14:54:35,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:54:35,012 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:54:35,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889129125] [2025-01-09 14:54:35,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889129125] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:54:35,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:54:35,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 14:54:35,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40921482] [2025-01-09 14:54:35,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:54:35,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 14:54:35,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:54:35,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 14:54:35,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 14:54:35,033 INFO L87 Difference]: Start difference. First operand has 55 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 14:54:39,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 14:54:41,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 14:54:41,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:54:41,263 INFO L93 Difference]: Finished difference Result 119 states and 196 transitions. [2025-01-09 14:54:41,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 14:54:41,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 112 [2025-01-09 14:54:41,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:54:41,307 INFO L225 Difference]: With dead ends: 119 [2025-01-09 14:54:41,307 INFO L226 Difference]: Without dead ends: 67 [2025-01-09 14:54:41,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 14:54:41,311 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 20 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2025-01-09 14:54:41,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 146 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2025-01-09 14:54:41,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-01-09 14:54:41,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2025-01-09 14:54:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 14:54:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2025-01-09 14:54:41,341 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 112 [2025-01-09 14:54:41,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:54:41,343 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2025-01-09 14:54:41,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 14:54:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2025-01-09 14:54:41,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-09 14:54:41,348 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:54:41,348 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:54:41,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 14:54:41,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-01-09 14:54:41,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:54:41,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:54:41,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1469615579, now seen corresponding path program 1 times [2025-01-09 14:54:41,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:54:41,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201855454] [2025-01-09 14:54:41,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:54:41,550 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 [2025-01-09 14:54:41,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:54:41,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-01-09 14:54:41,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 14:54:41,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-09 14:54:41,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-09 14:54:41,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:54:41,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:54:42,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-01-09 14:54:42,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:55:18,994 WARN L286 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-09 14:56:03,857 WARN L286 SmtUtils]: Spent 19.34s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)