./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-98.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_amount100_file-98.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 3e656310ec67c2d05ae017a9135a80fcd37a9ab722f93d5597cf89a898d3876d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:14:30,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:14:30,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 14:14:31,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:14:31,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:14:31,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:14:31,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:14:31,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:14:31,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:14:31,027 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:14:31,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:14:31,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:14:31,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:14:31,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:14:31,029 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:14:31,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:14:31,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:14:31,029 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:14:31,030 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:14:31,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:14:31,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:14:31,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:14:31,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:14:31,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:14:31,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:14:31,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:14:31,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:14:31,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:14:31,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:14:31,032 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:14:31,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:14:31,032 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 14:14:31,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 14:14:31,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:14:31,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:14:31,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:14:31,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:14:31,032 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 -> 3e656310ec67c2d05ae017a9135a80fcd37a9ab722f93d5597cf89a898d3876d [2025-01-09 14:14:31,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:14:31,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:14:31,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:14:31,264 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:14:31,264 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:14:31,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-98.i [2025-01-09 14:14:32,390 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0bdb76ace/842981a19db1482a8d5365f1b6cd19e2/FLAG376032e2d [2025-01-09 14:14:32,659 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:14:32,659 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-98.i [2025-01-09 14:14:32,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0bdb76ace/842981a19db1482a8d5365f1b6cd19e2/FLAG376032e2d [2025-01-09 14:14:32,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0bdb76ace/842981a19db1482a8d5365f1b6cd19e2 [2025-01-09 14:14:32,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:14:32,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:14:32,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:14:32,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:14:32,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:14:32,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:32,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f12a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32, skipping insertion in model container [2025-01-09 14:14:32,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:32,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:14:32,818 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_amount100_file-98.i[916,929] [2025-01-09 14:14:32,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:14:32,889 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:14:32,898 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_amount100_file-98.i[916,929] [2025-01-09 14:14:32,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:14:32,943 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:14:32,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32 WrapperNode [2025-01-09 14:14:32,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:14:32,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:14:32,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:14:32,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:14:32,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:32,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:32,985 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2025-01-09 14:14:32,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:14:32,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:14:32,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:14:32,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:14:32,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:32,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:32,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:33,014 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 14:14:33,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:33,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:33,026 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:33,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:33,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:33,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:33,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:33,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:14:33,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:14:33,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:14:33,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:14:33,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (1/1) ... [2025-01-09 14:14:33,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:14:33,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:14:33,066 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 14:14:33,072 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 14:14:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:14:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:14:33,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:14:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 14:14:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:14:33,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:14:33,151 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:14:33,153 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:14:33,377 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 14:14:33,378 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:14:33,384 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:14:33,385 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:14:33,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:14:33 BoogieIcfgContainer [2025-01-09 14:14:33,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:14:33,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:14:33,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:14:33,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:14:33,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:14:32" (1/3) ... [2025-01-09 14:14:33,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b5d3768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:14:33, skipping insertion in model container [2025-01-09 14:14:33,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:14:32" (2/3) ... [2025-01-09 14:14:33,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b5d3768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:14:33, skipping insertion in model container [2025-01-09 14:14:33,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:14:33" (3/3) ... [2025-01-09 14:14:33,392 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-98.i [2025-01-09 14:14:33,401 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:14:33,402 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount100_file-98.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:14:33,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:14:33,446 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;@4f69829e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:14:33,446 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:14:33,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 14:14:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-01-09 14:14:33,457 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:14:33,457 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:14:33,458 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:14:33,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:14:33,462 INFO L85 PathProgramCache]: Analyzing trace with hash -412539431, now seen corresponding path program 1 times [2025-01-09 14:14:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:14:33,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480463343] [2025-01-09 14:14:33,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:14:33,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:14:33,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 14:14:33,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 14:14:33,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:14:33,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:14:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-01-09 14:14:33,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:14:33,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480463343] [2025-01-09 14:14:33,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480463343] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 14:14:33,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686156532] [2025-01-09 14:14:33,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:14:33,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:14:33,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:14:33,697 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 14:14:33,714 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 14:14:33,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 14:14:33,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 14:14:33,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:14:33,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:14:33,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 14:14:33,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:14:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-01-09 14:14:33,928 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:14:33,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686156532] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:14:33,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 14:14:33,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 14:14:33,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517551499] [2025-01-09 14:14:33,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:14:33,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 14:14:33,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:14:33,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 14:14:33,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:14:33,964 INFO L87 Difference]: Start difference. First operand has 76 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 14:14:33,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:14:33,989 INFO L93 Difference]: Finished difference Result 146 states and 252 transitions. [2025-01-09 14:14:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 14:14:33,990 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 152 [2025-01-09 14:14:33,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:14:33,995 INFO L225 Difference]: With dead ends: 146 [2025-01-09 14:14:33,996 INFO L226 Difference]: Without dead ends: 73 [2025-01-09 14:14:33,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 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 14:14:34,002 INFO L435 NwaCegarLoop]: 112 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, 112 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 14:14:34,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:14:34,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-01-09 14:14:34,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-01-09 14:14:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 14:14:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2025-01-09 14:14:34,039 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 152 [2025-01-09 14:14:34,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:14:34,040 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2025-01-09 14:14:34,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 14:14:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2025-01-09 14:14:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-01-09 14:14:34,043 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:14:34,044 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:14:34,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 14:14:34,249 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 14:14:34,249 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:14:34,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:14:34,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1528071015, now seen corresponding path program 1 times [2025-01-09 14:14:34,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:14:34,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077423820] [2025-01-09 14:14:34,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:14:34,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:14:34,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 14:14:34,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 14:14:34,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:14:34,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:14:34,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-01-09 14:14:34,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:14:34,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077423820] [2025-01-09 14:14:34,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077423820] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:14:34,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:14:34,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 14:14:34,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794869271] [2025-01-09 14:14:34,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:14:34,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 14:14:34,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:14:34,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 14:14:34,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 14:14:34,454 INFO L87 Difference]: Start difference. First operand 73 states and 112 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-01-09 14:14:34,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:14:34,530 INFO L93 Difference]: Finished difference Result 211 states and 326 transitions. [2025-01-09 14:14:34,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 14:14:34,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2025-01-09 14:14:34,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:14:34,532 INFO L225 Difference]: With dead ends: 211 [2025-01-09 14:14:34,533 INFO L226 Difference]: Without dead ends: 141 [2025-01-09 14:14:34,533 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 14:14:34,533 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 97 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 14:14:34,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 290 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:14:34,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-01-09 14:14:34,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2025-01-09 14:14:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.3444444444444446) internal successors, (121), 90 states have internal predecessors, (121), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-09 14:14:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 213 transitions. [2025-01-09 14:14:34,561 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 213 transitions. Word has length 152 [2025-01-09 14:14:34,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:14:34,562 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 213 transitions. [2025-01-09 14:14:34,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-01-09 14:14:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 213 transitions. [2025-01-09 14:14:34,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-01-09 14:14:34,563 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:14:34,563 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:14:34,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 14:14:34,563 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:14:34,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:14:34,564 INFO L85 PathProgramCache]: Analyzing trace with hash -991888919, now seen corresponding path program 1 times [2025-01-09 14:14:34,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:14:34,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982260474] [2025-01-09 14:14:34,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:14:34,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:14:34,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 14:14:34,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 14:14:34,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:14:34,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:14:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-09 14:14:35,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:14:35,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982260474] [2025-01-09 14:14:35,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982260474] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 14:14:35,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860253875] [2025-01-09 14:14:35,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:14:35,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:14:35,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:14:35,083 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 14:14:35,084 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 14:14:35,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 14:14:35,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 14:14:35,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:14:35,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:14:35,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 14:14:35,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:14:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2025-01-09 14:14:35,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 14:14:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-09 14:14:35,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860253875] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 14:14:35,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 14:14:35,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-01-09 14:14:35,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942873490] [2025-01-09 14:14:35,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 14:14:35,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 14:14:35,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:14:35,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 14:14:35,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 14:14:35,553 INFO L87 Difference]: Start difference. First operand 139 states and 213 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 14:14:35,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:14:35,748 INFO L93 Difference]: Finished difference Result 291 states and 437 transitions. [2025-01-09 14:14:35,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 14:14:35,749 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 152 [2025-01-09 14:14:35,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:14:35,751 INFO L225 Difference]: With dead ends: 291 [2025-01-09 14:14:35,751 INFO L226 Difference]: Without dead ends: 155 [2025-01-09 14:14:35,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 301 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-01-09 14:14:35,753 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 118 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 14:14:35,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 197 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 14:14:35,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-01-09 14:14:35,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2025-01-09 14:14:35,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 96 states have internal predecessors, (124), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-09 14:14:35,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 216 transitions. [2025-01-09 14:14:35,772 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 216 transitions. Word has length 152 [2025-01-09 14:14:35,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:14:35,772 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 216 transitions. [2025-01-09 14:14:35,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 14:14:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2025-01-09 14:14:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-01-09 14:14:35,774 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:14:35,774 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:14:35,781 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 14:14:35,975 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 14:14:35,975 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:14:35,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:14:35,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1457744731, now seen corresponding path program 1 times [2025-01-09 14:14:35,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:14:35,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481372004] [2025-01-09 14:14:35,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:14:35,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:14:35,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 14:14:36,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 14:14:36,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:14:36,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:14:36,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-09 14:14:36,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:14:36,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481372004] [2025-01-09 14:14:36,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481372004] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 14:14:36,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968190482] [2025-01-09 14:14:36,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:14:36,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:14:36,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:14:36,529 INFO L229 MonitoredProcess]: Starting monitored process 4 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 14:14:36,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 14:14:36,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 14:14:36,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 14:14:36,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:14:36,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:14:36,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-09 14:14:36,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:14:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2025-01-09 14:14:37,208 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 14:14:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-09 14:14:37,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968190482] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 14:14:37,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 14:14:37,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17 [2025-01-09 14:14:37,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113428336] [2025-01-09 14:14:37,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 14:14:37,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-09 14:14:37,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:14:37,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-09 14:14:37,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2025-01-09 14:14:37,476 INFO L87 Difference]: Start difference. First operand 147 states and 216 transitions. Second operand has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 6 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2025-01-09 14:14:38,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:14:38,066 INFO L93 Difference]: Finished difference Result 463 states and 677 transitions. [2025-01-09 14:14:38,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-09 14:14:38,067 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 6 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) Word has length 153 [2025-01-09 14:14:38,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:14:38,069 INFO L225 Difference]: With dead ends: 463 [2025-01-09 14:14:38,070 INFO L226 Difference]: Without dead ends: 319 [2025-01-09 14:14:38,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2025-01-09 14:14:38,071 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 232 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 14:14:38,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 647 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 14:14:38,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2025-01-09 14:14:38,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 200. [2025-01-09 14:14:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 123 states have internal predecessors, (151), 69 states have call successors, (69), 7 states have call predecessors, (69), 7 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-01-09 14:14:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 289 transitions. [2025-01-09 14:14:38,098 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 289 transitions. Word has length 153 [2025-01-09 14:14:38,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:14:38,099 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 289 transitions. [2025-01-09 14:14:38,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 6 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2025-01-09 14:14:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 289 transitions. [2025-01-09 14:14:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-01-09 14:14:38,100 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:14:38,101 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:14:38,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 14:14:38,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:14:38,305 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:14:38,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:14:38,306 INFO L85 PathProgramCache]: Analyzing trace with hash -536399975, now seen corresponding path program 1 times [2025-01-09 14:14:38,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:14:38,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54798043] [2025-01-09 14:14:38,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:14:38,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:14:38,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 14:14:38,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 14:14:38,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:14:38,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:14:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 141 proven. 87 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2025-01-09 14:14:44,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:14:44,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54798043] [2025-01-09 14:14:44,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54798043] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 14:14:44,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563383021] [2025-01-09 14:14:44,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:14:44,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:14:44,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:14:44,845 INFO L229 MonitoredProcess]: Starting monitored process 5 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 14:14:44,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 14:14:44,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 14:14:45,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 14:14:45,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:14:45,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:14:45,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-01-09 14:14:45,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:14:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 495 proven. 228 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2025-01-09 14:14:46,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 14:15:01,691 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 14:15:11,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563383021] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 14:15:11,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 14:15:11,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 28] total 39 [2025-01-09 14:15:11,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053015394] [2025-01-09 14:15:11,136 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 14:15:11,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-01-09 14:15:11,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:15:11,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-01-09 14:15:11,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=352, Invalid=2000, Unknown=0, NotChecked=0, Total=2352 [2025-01-09 14:15:11,141 INFO L87 Difference]: Start difference. First operand 200 states and 289 transitions. Second operand has 39 states, 37 states have (on average 2.5675675675675675) internal successors, (95), 35 states have internal predecessors, (95), 11 states have call successors, (42), 7 states have call predecessors, (42), 10 states have return successors, (43), 12 states have call predecessors, (43), 11 states have call successors, (43) [2025-01-09 14:15:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:15:28,282 INFO L93 Difference]: Finished difference Result 933 states and 1204 transitions. [2025-01-09 14:15:28,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2025-01-09 14:15:28,283 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 37 states have (on average 2.5675675675675675) internal successors, (95), 35 states have internal predecessors, (95), 11 states have call successors, (42), 7 states have call predecessors, (42), 10 states have return successors, (43), 12 states have call predecessors, (43), 11 states have call successors, (43) Word has length 153 [2025-01-09 14:15:28,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:15:28,289 INFO L225 Difference]: With dead ends: 933 [2025-01-09 14:15:28,289 INFO L226 Difference]: Without dead ends: 789 [2025-01-09 14:15:28,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12193 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=6200, Invalid=30089, Unknown=1, NotChecked=0, Total=36290 [2025-01-09 14:15:28,299 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 736 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 2640 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 2915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 2640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-01-09 14:15:28,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 1378 Invalid, 2915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 2640 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-01-09 14:15:28,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2025-01-09 14:15:28,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 495. [2025-01-09 14:15:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 329 states have (on average 1.1641337386018238) internal successors, (383), 329 states have internal predecessors, (383), 115 states have call successors, (115), 50 states have call predecessors, (115), 50 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2025-01-09 14:15:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 613 transitions. [2025-01-09 14:15:28,371 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 613 transitions. Word has length 153 [2025-01-09 14:15:28,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:15:28,372 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 613 transitions. [2025-01-09 14:15:28,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 37 states have (on average 2.5675675675675675) internal successors, (95), 35 states have internal predecessors, (95), 11 states have call successors, (42), 7 states have call predecessors, (42), 10 states have return successors, (43), 12 states have call predecessors, (43), 11 states have call successors, (43) [2025-01-09 14:15:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 613 transitions. [2025-01-09 14:15:28,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-01-09 14:15:28,374 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:15:28,374 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:28,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 14:15:28,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:15:28,579 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:15:28,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:15:28,580 INFO L85 PathProgramCache]: Analyzing trace with hash 143658395, now seen corresponding path program 1 times [2025-01-09 14:15:28,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:15:28,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134826946] [2025-01-09 14:15:28,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:15:28,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:15:28,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 14:15:28,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 14:15:28,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:28,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 14:15:28,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1961357396] [2025-01-09 14:15:28,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:15:28,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:15:28,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:15:28,718 INFO L229 MonitoredProcess]: Starting monitored process 6 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 14:15:28,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 14:15:28,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 14:15:28,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 14:15:28,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:28,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:15:28,811 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 14:15:28,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 14:15:28,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 14:15:28,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:28,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:15:28,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 14:15:28,924 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 14:15:28,925 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 14:15:28,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 14:15:29,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:15:29,130 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 14:15:29,217 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 14:15:29,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:15:29 BoogieIcfgContainer [2025-01-09 14:15:29,223 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 14:15:29,224 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 14:15:29,224 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 14:15:29,224 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 14:15:29,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:14:33" (3/4) ... [2025-01-09 14:15:29,227 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 14:15:29,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 14:15:29,228 INFO L158 Benchmark]: Toolchain (without parser) took 56538.86ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 111.2MB in the beginning and 422.0MB in the end (delta: -310.8MB). Peak memory consumption was 280.2MB. Max. memory is 16.1GB. [2025-01-09 14:15:29,228 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:15:29,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.80ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 96.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 14:15:29,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.06ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 93.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:15:29,229 INFO L158 Benchmark]: Boogie Preprocessor took 52.73ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 90.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:15:29,229 INFO L158 Benchmark]: RCFGBuilder took 346.52ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 68.1MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 14:15:29,230 INFO L158 Benchmark]: TraceAbstraction took 55836.33ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 67.1MB in the beginning and 422.3MB in the end (delta: -355.1MB). Peak memory consumption was 229.9MB. Max. memory is 16.1GB. [2025-01-09 14:15:29,230 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 729.8MB. Free memory was 422.3MB in the beginning and 422.0MB in the end (delta: 235.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:15:29,231 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.80ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 96.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.06ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 93.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.73ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 90.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.52ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 68.1MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 55836.33ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 67.1MB in the beginning and 422.3MB in the end (delta: -355.1MB). Peak memory consumption was 229.9MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 729.8MB. Free memory was 422.3MB in the beginning and 422.0MB in the end (delta: 235.4kB). Peak memory consumption was 8.4MB. 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 161, overapproximation of someBinaryFLOATComparisonOperation at line 172, overapproximation of someBinaryFLOATComparisonOperation at line 151, overapproximation of someBinaryFLOATComparisonOperation at line 153, overapproximation of someBinaryFLOATComparisonOperation at line 159, overapproximation of someBinaryFLOATComparisonOperation at line 155, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 157, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryArithmeticFLOAToperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -2; [L23] unsigned long int var_1_4 = 128; [L24] signed char var_1_5 = 100; [L25] signed char var_1_6 = 5; [L26] signed char var_1_7 = 25; [L27] signed long int var_1_8 = 0; [L28] signed long int var_1_9 = 100; [L29] signed char var_1_10 = 10; [L30] unsigned char var_1_11 = 1; [L31] unsigned char var_1_12 = 0; [L32] unsigned char var_1_14 = 0; [L33] float var_1_15 = 63.5; [L34] float var_1_16 = 0.0; [L35] float var_1_17 = 8.16; [L36] float var_1_18 = 4.625; [L37] float var_1_19 = 1000000.2; [L38] float var_1_20 = 5.2; [L39] signed char var_1_21 = 8; [L40] signed long int var_1_22 = 64; [L41] signed char var_1_24 = 10; [L42] float var_1_25 = 0.0; [L43] float var_1_26 = 128.55; [L44] signed char var_1_27 = 16; [L45] unsigned long int var_1_28 = 256; [L46] signed short int var_1_29 = -128; [L47] signed char last_1_var_1_10 = 10; [L48] signed long int last_1_var_1_22 = 64; [L49] unsigned long int last_1_var_1_28 = 256; VAL [isInitial=0, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L176] isInitial = 1 [L177] FCALL initially() [L179] CALL updateLastVariables() [L167] last_1_var_1_10 = var_1_10 [L168] last_1_var_1_22 = var_1_22 [L169] last_1_var_1_28 = var_1_28 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L179] RET updateLastVariables() [L180] CALL updateVariables() [L128] var_1_4 = __VERIFIER_nondet_ulong() [L129] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L129] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L130] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L130] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L131] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L131] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L132] var_1_5 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_5 >= 62) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L133] RET assume_abort_if_not(var_1_5 >= 62) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L134] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L134] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L135] var_1_6 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=25, var_1_8=0, var_1_9=100] [L136] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=25, var_1_8=0, var_1_9=100] [L137] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=25, var_1_8=0, var_1_9=100] [L137] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=25, var_1_8=0, var_1_9=100] [L138] var_1_7 = __VERIFIER_nondet_char() [L139] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=100] [L139] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=100] [L140] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=100] [L140] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=100] [L141] var_1_9 = __VERIFIER_nondet_long() [L142] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L142] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L143] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L143] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L144] var_1_12 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L145] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L146] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L146] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L147] var_1_14 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L148] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L149] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L149] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L150] var_1_16 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_16 >= 4611686.018427382800e+12F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L151] RET assume_abort_if_not((var_1_16 >= 4611686.018427382800e+12F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L152] var_1_17 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L153] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L154] var_1_18 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L155] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L156] var_1_19 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L157] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L158] var_1_25 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_25 >= 4611686.018427387900e+12F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L159] RET assume_abort_if_not((var_1_25 >= 4611686.018427387900e+12F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L160] var_1_26 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427387900e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L161] RET assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427387900e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L162] var_1_27 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L163] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L164] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L164] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L180] RET updateVariables() [L181] CALL step() [L53] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L56] COND FALSE !(last_1_var_1_10 >= (var_1_6 + last_1_var_1_22)) [L59] var_1_21 = var_1_7 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L62] COND FALSE !(last_1_var_1_28 <= ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L65] COND TRUE \read(var_1_12) [L66] var_1_11 = (((var_1_20 + 31.75f) <= 4.2f) && var_1_14) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L68] signed char stepLocal_0 = var_1_7; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=13] [L69] COND TRUE stepLocal_0 != var_1_4 [L70] var_1_8 = ((var_1_7 + ((((var_1_6) > (var_1_5)) ? (var_1_6) : (var_1_5)))) - var_1_9) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L74] var_1_15 = ((((((var_1_16 - var_1_17)) > (var_1_18)) ? ((var_1_16 - var_1_17)) : (var_1_18))) - var_1_19) [L75] unsigned char stepLocal_3 = var_1_11; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=10, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L76] COND TRUE var_1_17 > (((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))) - (var_1_25 - var_1_26)) [L77] var_1_24 = (32 - (var_1_6 + var_1_27)) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=32, var_1_27=0, var_1_28=256, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L89] COND FALSE !(\read(var_1_11)) [L98] var_1_28 = ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=32, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L100] signed long int stepLocal_1 = var_1_24 + (var_1_5 - var_1_7); VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_1=94, stepLocal_3=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=32, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L101] COND FALSE !(var_1_6 >= stepLocal_1) [L104] var_1_10 = var_1_7 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=32, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L106] unsigned char stepLocal_2 = var_1_11; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_2=0, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=64, var_1_24=32, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L107] COND FALSE !(stepLocal_2 && var_1_11) [L110] var_1_22 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=0, var_1_24=32, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L112] COND FALSE !(10u <= ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=0, var_1_24=32, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L117] COND FALSE !((var_1_8 > var_1_22) && (var_1_19 < (var_1_15 / var_1_16))) [L124] var_1_29 = var_1_27 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=0, var_1_24=32, var_1_27=0, var_1_28=0, var_1_29=0, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L181] RET step() [L182] CALL, EXPR property() [L172-L173] return (((((((((((10u <= ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))) ? ((((((16u) < (var_1_22)) ? (16u) : (var_1_22))) >= (var_1_8 % var_1_4)) ? (var_1_1 == ((signed char) ((var_1_5 - var_1_6) - var_1_7))) : 1) : 1) && ((var_1_7 != var_1_4) ? (var_1_8 == ((signed long int) ((var_1_7 + ((((var_1_6) > (var_1_5)) ? (var_1_6) : (var_1_5)))) - var_1_9))) : (var_1_8 == ((signed long int) var_1_21)))) && ((var_1_6 >= (var_1_24 + (var_1_5 - var_1_7))) ? (var_1_10 == ((signed char) (var_1_7 - var_1_6))) : (var_1_10 == ((signed char) var_1_7)))) && (var_1_12 ? (var_1_11 == ((unsigned char) (((var_1_20 + 31.75f) <= 4.2f) && var_1_14))) : 1)) && (var_1_15 == ((float) ((((((var_1_16 - var_1_17)) > (var_1_18)) ? ((var_1_16 - var_1_17)) : (var_1_18))) - var_1_19)))) && ((last_1_var_1_28 <= ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) ? (var_1_20 == ((float) ((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16))))) : 1)) && (var_1_14 ? (var_1_21 == ((signed char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) : ((last_1_var_1_10 >= (var_1_6 + last_1_var_1_22)) ? (var_1_21 == ((signed char) var_1_6)) : (var_1_21 == ((signed char) var_1_7))))) && ((var_1_11 && var_1_11) ? (var_1_22 == ((signed long int) (((((var_1_6 + var_1_10) + var_1_21) < 0 ) ? -((var_1_6 + var_1_10) + var_1_21) : ((var_1_6 + var_1_10) + var_1_21))))) : (var_1_22 == ((signed long int) ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))))))) && ((var_1_17 > (((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))) - (var_1_25 - var_1_26))) ? (var_1_24 == ((signed char) (32 - (var_1_6 + var_1_27)))) : ((var_1_11 && (var_1_11 && var_1_14)) ? (var_1_24 == ((signed char) (var_1_6 + var_1_27))) : ((var_1_15 >= var_1_18) ? (var_1_24 == ((signed char) var_1_6)) : (var_1_24 == ((signed char) var_1_27)))))) && (var_1_11 ? ((! (var_1_20 >= var_1_16)) ? (var_1_28 == ((unsigned long int) (var_1_27 + var_1_5))) : (((- var_1_26) < (- (var_1_15 + var_1_17))) ? (var_1_28 == ((unsigned long int) ((((var_1_7) > (var_1_27)) ? (var_1_7) : (var_1_27))))) : 1)) : (var_1_28 == ((unsigned long int) ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6))))))) && (((var_1_8 > var_1_22) && (var_1_19 < (var_1_15 / var_1_16))) ? ((var_1_27 != (var_1_7 - var_1_6)) ? (var_1_29 == ((signed short int) (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - ((10000 - var_1_5) + var_1_27)))) : (var_1_29 == ((signed short int) var_1_10))) : (var_1_29 == ((signed short int) var_1_27))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=0, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=0, var_1_24=32, var_1_27=0, var_1_28=0, var_1_29=0, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L182] RET, EXPR property() [L182] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=0, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=0, var_1_24=32, var_1_27=0, var_1_28=0, var_1_29=0, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=0, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=0, var_1_22=0, var_1_24=32, var_1_27=0, var_1_28=0, var_1_29=0, var_1_4=1, var_1_5=62, var_1_6=0, var_1_7=0, var_1_8=49, var_1_9=13] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 55.7s, OverallIterations: 6, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1223 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1183 mSDsluCounter, 2624 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2050 mSDsCounter, 401 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3550 IncrementalHoareTripleChecker+Invalid, 3951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 401 mSolverCounterUnsat, 574 mSDtfsCounter, 3550 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1167 GetRequests, 943 SyntacticMatches, 1 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12303 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=495occurred in iteration=5, InterpolantAutomatonStates: 190, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 423 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 34.6s InterpolantComputationTime, 1678 NumberOfCodeBlocks, 1678 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1666 ConstructedInterpolants, 0 QuantifiedInterpolants, 8969 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1457 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 10548/11132 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 14:15:29,388 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_amount100_file-98.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 3e656310ec67c2d05ae017a9135a80fcd37a9ab722f93d5597cf89a898d3876d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:15:31,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:15:31,399 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 14:15:31,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:15:31,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:15:31,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:15:31,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:15:31,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:15:31,430 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:15:31,430 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:15:31,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:15:31,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:15:31,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:15:31,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:15:31,431 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:15:31,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:15:31,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:15:31,431 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:15:31,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:15:31,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:15:31,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:15:31,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:15:31,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:15:31,431 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 14:15:31,431 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 14:15:31,432 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 14:15:31,432 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:15:31,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:15:31,432 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:15:31,432 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:15:31,435 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:15:31,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:15:31,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:15:31,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:15:31,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:15:31,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:15:31,437 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 -> 3e656310ec67c2d05ae017a9135a80fcd37a9ab722f93d5597cf89a898d3876d [2025-01-09 14:15:31,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:15:31,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:15:31,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:15:31,700 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:15:31,700 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:15:31,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-98.i [2025-01-09 14:15:32,897 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82b3e9985/5ca6b7a6c657481d935aae7fb6e1c789/FLAG50390a342 [2025-01-09 14:15:33,157 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:15:33,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-98.i [2025-01-09 14:15:33,168 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82b3e9985/5ca6b7a6c657481d935aae7fb6e1c789/FLAG50390a342 [2025-01-09 14:15:33,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82b3e9985/5ca6b7a6c657481d935aae7fb6e1c789 [2025-01-09 14:15:33,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:15:33,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:15:33,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:15:33,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:15:33,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:15:33,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180bce1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33, skipping insertion in model container [2025-01-09 14:15:33,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:15:33,329 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_amount100_file-98.i[916,929] [2025-01-09 14:15:33,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:15:33,403 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:15:33,416 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_amount100_file-98.i[916,929] [2025-01-09 14:15:33,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:15:33,479 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:15:33,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33 WrapperNode [2025-01-09 14:15:33,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:15:33,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:15:33,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:15:33,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:15:33,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,529 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2025-01-09 14:15:33,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:15:33,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:15:33,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:15:33,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:15:33,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,560 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 14:15:33,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,578 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:15:33,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:15:33,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:15:33,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:15:33,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (1/1) ... [2025-01-09 14:15:33,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:15:33,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:15:33,619 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 14:15:33,627 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 14:15:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:15:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 14:15:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:15:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:15:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:15:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:15:33,710 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:15:33,712 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:15:40,039 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 14:15:40,039 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:15:40,050 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:15:40,054 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:15:40,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:15:40 BoogieIcfgContainer [2025-01-09 14:15:40,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:15:40,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:15:40,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:15:40,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:15:40,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:15:33" (1/3) ... [2025-01-09 14:15:40,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d7ec4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:15:40, skipping insertion in model container [2025-01-09 14:15:40,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:33" (2/3) ... [2025-01-09 14:15:40,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d7ec4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:15:40, skipping insertion in model container [2025-01-09 14:15:40,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:15:40" (3/3) ... [2025-01-09 14:15:40,065 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-98.i [2025-01-09 14:15:40,074 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:15:40,075 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount100_file-98.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:15:40,117 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:15:40,127 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;@6968ca9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:15:40,127 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:15:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 14:15:40,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-01-09 14:15:40,138 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:15:40,138 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:40,139 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:15:40,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:15:40,142 INFO L85 PathProgramCache]: Analyzing trace with hash -412539431, now seen corresponding path program 1 times [2025-01-09 14:15:40,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:15:40,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384800798] [2025-01-09 14:15:40,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:15:40,151 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 14:15:40,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:15:40,156 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 14:15:40,159 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 14:15:40,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 14:15:40,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 14:15:40,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:40,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:15:40,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 14:15:40,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:15:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2025-01-09 14:15:40,734 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:15:40,735 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:15:40,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384800798] [2025-01-09 14:15:40,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384800798] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:15:40,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:15:40,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 14:15:40,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171269827] [2025-01-09 14:15:40,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:15:40,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 14:15:40,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:15:40,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 14:15:40,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:15:40,757 INFO L87 Difference]: Start difference. First operand has 76 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 14:15:40,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:15:40,794 INFO L93 Difference]: Finished difference Result 146 states and 252 transitions. [2025-01-09 14:15:40,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 14:15:40,795 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 152 [2025-01-09 14:15:40,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:15:40,801 INFO L225 Difference]: With dead ends: 146 [2025-01-09 14:15:40,802 INFO L226 Difference]: Without dead ends: 73 [2025-01-09 14:15:40,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 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 14:15:40,810 INFO L435 NwaCegarLoop]: 112 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, 112 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 14:15:40,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:15:40,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-01-09 14:15:40,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-01-09 14:15:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 14:15:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2025-01-09 14:15:40,848 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 152 [2025-01-09 14:15:40,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:15:40,849 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2025-01-09 14:15:40,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 14:15:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2025-01-09 14:15:40,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-01-09 14:15:40,853 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:15:40,853 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:40,869 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 14:15:41,057 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 14:15:41,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:15:41,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:15:41,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1528071015, now seen corresponding path program 1 times [2025-01-09 14:15:41,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:15:41,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038882415] [2025-01-09 14:15:41,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:15:41,059 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 14:15:41,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:15:41,061 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 14:15:41,063 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 14:15:41,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 14:15:41,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 14:15:41,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:41,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:15:41,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 14:15:41,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:15:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2025-01-09 14:15:42,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 14:15:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-09 14:15:42,998 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:15:42,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038882415] [2025-01-09 14:15:42,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038882415] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 14:15:42,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 14:15:42,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2025-01-09 14:15:42,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798074630] [2025-01-09 14:15:42,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 14:15:43,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 14:15:43,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:15:43,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 14:15:43,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 14:15:43,000 INFO L87 Difference]: Start difference. First operand 73 states and 112 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 14:15:48,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 14:15:52,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 14:15:55,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 14:15:55,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:15:55,980 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2025-01-09 14:15:56,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 14:15:56,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 152 [2025-01-09 14:15:56,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:15:56,024 INFO L225 Difference]: With dead ends: 151 [2025-01-09 14:15:56,024 INFO L226 Difference]: Without dead ends: 81 [2025-01-09 14:15:56,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 296 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-01-09 14:15:56,025 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 169 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 62 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2025-01-09 14:15:56,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 195 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 128 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2025-01-09 14:15:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2025-01-09 14:15:56,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2025-01-09 14:15:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 14:15:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2025-01-09 14:15:56,038 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 152 [2025-01-09 14:15:56,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:15:56,040 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2025-01-09 14:15:56,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 14:15:56,040 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2025-01-09 14:15:56,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-01-09 14:15:56,041 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:15:56,041 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:56,059 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 (3)] Ended with exit code 0 [2025-01-09 14:15:56,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 14:15:56,245 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:15:56,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:15:56,245 INFO L85 PathProgramCache]: Analyzing trace with hash -317262631, now seen corresponding path program 1 times [2025-01-09 14:15:56,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:15:56,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283835003] [2025-01-09 14:15:56,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:15:56,246 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 14:15:56,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:15:56,249 INFO L229 MonitoredProcess]: Starting monitored process 4 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 14:15:56,250 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 (4)] Waiting until timeout for monitored process [2025-01-09 14:15:56,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 14:15:56,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 14:15:56,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:56,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:15:56,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 14:15:56,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:16:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 391 proven. 96 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2025-01-09 14:16:01,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 14:16:02,608 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:16:02,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283835003] [2025-01-09 14:16:02,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283835003] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 14:16:02,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [474658903] [2025-01-09 14:16:02,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:16:02,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-01-09 14:16:02,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-01-09 14:16:02,612 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-01-09 14:16:02,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2025-01-09 14:16:02,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 14:16:03,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 14:16:03,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:16:03,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:16:03,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 14:16:03,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:16:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-01-09 14:16:03,224 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:16:03,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [474658903] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:16:03,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 14:16:03,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2025-01-09 14:16:03,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889265272] [2025-01-09 14:16:03,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:16:03,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 14:16:03,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:16:03,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 14:16:03,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2025-01-09 14:16:03,226 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)