./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.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_codestructure_functionizing_file-0.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 e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:35:32,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:35:32,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 08:35:32,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:35:32,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:35:32,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:35:32,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:35:32,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:35:32,746 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:35:32,746 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:35:32,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:35:32,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:35:32,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:35:32,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:35:32,748 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:35:32,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:35:32,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:35:32,748 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:35:32,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 08:35:32,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:35:32,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:35:32,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:35:32,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:35:32,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:35:32,749 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:35:32,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:35:32,749 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:35:32,749 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:35:32,749 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:35:32,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:35:32,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:35:32,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:35:32,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:35:32,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:35:32,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:35:32,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:35:32,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:35:32,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:35:32,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:35:32,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:35:32,751 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:35:32,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:35:32,751 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 08:35:32,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 08:35:32,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:35:32,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:35:32,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:35:32,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:35:32,752 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 -> e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f [2025-01-09 08:35:32,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:35:33,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:35:33,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:35:33,011 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:35:33,011 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:35:33,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2025-01-09 08:35:34,199 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8f1887910/744f93518fcf4d34b0cb9c003648ec8a/FLAG2a552406f [2025-01-09 08:35:34,521 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:35:34,522 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2025-01-09 08:35:34,532 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8f1887910/744f93518fcf4d34b0cb9c003648ec8a/FLAG2a552406f [2025-01-09 08:35:34,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8f1887910/744f93518fcf4d34b0cb9c003648ec8a [2025-01-09 08:35:34,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:35:34,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:35:34,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:35:34,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:35:34,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:35:34,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:34,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20278eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34, skipping insertion in model container [2025-01-09 08:35:34,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:34,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:35:34,911 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_codestructure_functionizing_file-0.i[919,932] [2025-01-09 08:35:34,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:35:34,961 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:35:34,968 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_codestructure_functionizing_file-0.i[919,932] [2025-01-09 08:35:34,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:35:34,995 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:35:34,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34 WrapperNode [2025-01-09 08:35:34,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:35:34,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:35:34,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:35:34,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:35:35,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,038 INFO L138 Inliner]: procedures = 33, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 168 [2025-01-09 08:35:35,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:35:35,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:35:35,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:35:35,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:35:35,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,071 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 08:35:35,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,080 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:35:35,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:35:35,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:35:35,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:35:35,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (1/1) ... [2025-01-09 08:35:35,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:35:35,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:35:35,118 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 08:35:35,125 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 08:35:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:35:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:35:35,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:35:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 08:35:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:35:35,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:35:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure functionized1 [2025-01-09 08:35:35,144 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized1 [2025-01-09 08:35:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure functionized0 [2025-01-09 08:35:35,144 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized0 [2025-01-09 08:35:35,218 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:35:35,219 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:35:35,473 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2025-01-09 08:35:35,474 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:35:35,481 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:35:35,481 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:35:35,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:35:35 BoogieIcfgContainer [2025-01-09 08:35:35,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:35:35,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:35:35,484 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:35:35,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:35:35,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:35:34" (1/3) ... [2025-01-09 08:35:35,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48af4aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:35:35, skipping insertion in model container [2025-01-09 08:35:35,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:34" (2/3) ... [2025-01-09 08:35:35,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48af4aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:35:35, skipping insertion in model container [2025-01-09 08:35:35,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:35:35" (3/3) ... [2025-01-09 08:35:35,489 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-0.i [2025-01-09 08:35:35,499 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:35:35,501 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_functionizing_file-0.i that has 4 procedures, 82 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:35:35,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:35:35,549 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;@2666d3fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:35:35,550 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:35:35,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 56 states have internal predecessors, (70), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-09 08:35:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-09 08:35:35,564 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:35:35,565 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:35:35,565 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:35:35,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:35:35,570 INFO L85 PathProgramCache]: Analyzing trace with hash 345976160, now seen corresponding path program 1 times [2025-01-09 08:35:35,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:35:35,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214141289] [2025-01-09 08:35:35,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:35:35,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:35:35,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 08:35:35,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 08:35:35,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:35:35,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:35:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-01-09 08:35:35,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:35:35,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214141289] [2025-01-09 08:35:35,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214141289] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:35:35,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146694746] [2025-01-09 08:35:35,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:35:35,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:35:35,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:35:35,818 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 08:35:35,821 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 08:35:35,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 08:35:35,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 08:35:35,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:35:35,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:35:35,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:35:35,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:35:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-01-09 08:35:36,014 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:35:36,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146694746] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:35:36,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 08:35:36,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 08:35:36,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597677052] [2025-01-09 08:35:36,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:35:36,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:35:36,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:35:36,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:35:36,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:35:36,035 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 56 states have internal predecessors, (70), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 08:35:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:35:36,056 INFO L93 Difference]: Finished difference Result 158 states and 241 transitions. [2025-01-09 08:35:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:35:36,058 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2025-01-09 08:35:36,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:35:36,063 INFO L225 Difference]: With dead ends: 158 [2025-01-09 08:35:36,063 INFO L226 Difference]: Without dead ends: 79 [2025-01-09 08:35:36,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 08:35:36,070 INFO L435 NwaCegarLoop]: 109 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, 109 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 08:35:36,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:35:36,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-01-09 08:35:36,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-01-09 08:35:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 53 states have internal predecessors, (65), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-09 08:35:36,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions. [2025-01-09 08:35:36,104 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 131 [2025-01-09 08:35:36,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:35:36,104 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 109 transitions. [2025-01-09 08:35:36,104 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 08:35:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2025-01-09 08:35:36,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-09 08:35:36,110 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:35:36,110 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:35:36,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 08:35:36,311 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 08:35:36,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:35:36,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:35:36,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1247328092, now seen corresponding path program 1 times [2025-01-09 08:35:36,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:35:36,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550894485] [2025-01-09 08:35:36,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:35:36,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:35:36,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 08:35:36,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 08:35:36,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:35:36,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:35:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-01-09 08:35:36,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:35:36,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550894485] [2025-01-09 08:35:36,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550894485] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:35:36,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:35:36,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 08:35:36,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155956669] [2025-01-09 08:35:36,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:35:36,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 08:35:36,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:35:36,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 08:35:36,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 08:35:36,583 INFO L87 Difference]: Start difference. First operand 79 states and 109 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 08:35:36,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:35:36,614 INFO L93 Difference]: Finished difference Result 155 states and 215 transitions. [2025-01-09 08:35:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 08:35:36,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 131 [2025-01-09 08:35:36,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:35:36,618 INFO L225 Difference]: With dead ends: 155 [2025-01-09 08:35:36,619 INFO L226 Difference]: Without dead ends: 79 [2025-01-09 08:35:36,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 08:35:36,621 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 08:35:36,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 312 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:35:36,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-01-09 08:35:36,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-01-09 08:35:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 53 states have internal predecessors, (64), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-09 08:35:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 108 transitions. [2025-01-09 08:35:36,631 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 108 transitions. Word has length 131 [2025-01-09 08:35:36,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:35:36,632 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 108 transitions. [2025-01-09 08:35:36,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 08:35:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2025-01-09 08:35:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-09 08:35:36,633 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:35:36,634 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:35:36,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 08:35:36,634 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:35:36,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:35:36,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1409775528, now seen corresponding path program 1 times [2025-01-09 08:35:36,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:35:36,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500433481] [2025-01-09 08:35:36,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:35:36,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:35:36,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 08:35:36,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 08:35:36,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:35:36,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:35:36,889 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 08:35:36,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 08:35:36,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 08:35:36,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:35:36,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:35:37,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 08:35:37,026 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 08:35:37,027 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 08:35:37,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 08:35:37,031 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 08:35:37,103 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 08:35:37,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 08:35:37 BoogieIcfgContainer [2025-01-09 08:35:37,105 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 08:35:37,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 08:35:37,108 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 08:35:37,108 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 08:35:37,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:35:35" (3/4) ... [2025-01-09 08:35:37,110 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 08:35:37,110 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 08:35:37,111 INFO L158 Benchmark]: Toolchain (without parser) took 2317.29ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 55.8MB in the end (delta: 51.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2025-01-09 08:35:37,111 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:35:37,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.88ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 92.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 08:35:37,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.59ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 90.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:35:37,112 INFO L158 Benchmark]: Boogie Preprocessor took 50.20ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 86.2MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:35:37,112 INFO L158 Benchmark]: RCFGBuilder took 392.15ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 65.5MB in the end (delta: 20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 08:35:37,112 INFO L158 Benchmark]: TraceAbstraction took 1622.04ms. Allocated memory is still 142.6MB. Free memory was 64.9MB in the beginning and 55.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2025-01-09 08:35:37,112 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 55.8MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:35:37,113 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.88ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 92.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.59ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 90.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.20ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 86.2MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.15ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 65.5MB in the end (delta: 20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1622.04ms. Allocated memory is still 142.6MB. Free memory was 64.9MB in the beginning and 55.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 55.8MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 133, overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someBinaryFLOATComparisonOperation at line 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 141. Possible FailurePath: [L28] unsigned char isInitial = 0; [L29] signed long int var_1_1 = 0; [L30] unsigned char var_1_2 = 0; [L31] unsigned char var_1_3 = 32; [L32] signed long int var_1_4 = -32; [L33] signed long int var_1_5 = 2; [L34] signed short int var_1_6 = -10; [L35] unsigned long int var_1_7 = 1; [L36] unsigned char var_1_8 = 0; [L37] unsigned long int var_1_9 = 3470417420; [L38] unsigned char var_1_10 = 0; [L39] double var_1_11 = 32.875; [L40] double var_1_12 = 25.6; [L41] double var_1_13 = 1.75; [L42] float var_1_14 = 5.4; [L43] float var_1_15 = 127.5; [L44] float var_1_16 = 3.5; [L45] signed long int var_1_17 = 64; [L46] unsigned char var_1_18 = 64; VAL [isInitial=0, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L145] isInitial = 1 [L146] FCALL initially() [L148] FCALL updateLastVariables() [L149] CALL updateVariables() [L108] var_1_2 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L109] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L110] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L110] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L111] var_1_3 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L112] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L113] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L113] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L114] var_1_4 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_4 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L115] RET assume_abort_if_not(var_1_4 >= -1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L116] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L116] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L117] var_1_9 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L118] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L119] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L119] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L120] var_1_10 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L121] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L122] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L122] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L123] var_1_11 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L124] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L125] var_1_12 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L126] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L127] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L127] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L128] var_1_13 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L129] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L130] var_1_15 = __VERIFIER_nondet_float() [L131] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L131] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L132] var_1_16 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L133] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L134] var_1_18 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L135] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L136] CALL assume_abort_if_not(var_1_18 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L136] RET assume_abort_if_not(var_1_18 <= 255) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L149] RET updateVariables() [L150] CALL step() [L77] COND TRUE var_1_2 > (- var_1_3) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L78] CALL, EXPR functionized0(var_1_4) VAL [\old(functionized0_localFunctionVar0)=-5, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L48] return (var_1_2 + functionized0_localFunctionVar0); VAL [\old(functionized0_localFunctionVar0)=-5, \result=-1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L78] RET, EXPR functionized0(var_1_4) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L78] EXPR ((var_1_3) > (functionized0(var_1_4))) ? (var_1_3) : (functionized0(var_1_4)) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L78] var_1_1 = ((((var_1_3) > (functionized0(var_1_4))) ? (var_1_3) : (functionized0(var_1_4)))) [L82] CALL functionized2(var_1_4, var_1_3) [L54] COND TRUE functionized2_localFunctionVar1 < var_1_2 [L55] var_1_5 = ((var_1_2 - functionized2_localFunctionVar1) + functionized2_localFunctionVar0) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=3, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L82] RET functionized2(var_1_4, var_1_3) [L83] CALL, EXPR functionized3(var_1_5) [L59] return (- functionized3_localFunctionVar0); VAL [\result=4, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=3, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L83] RET, EXPR functionized3(var_1_5) [L83] COND FALSE !(var_1_2 < functionized3(var_1_5)) [L86] COND FALSE !(var_1_1 > var_1_3) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=3, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L91] CALL functionized5(var_1_11, var_1_2, var_1_13) [L65] COND TRUE (- 8u) >= (var_1_9 - functionized5_localFunctionVar1) [L66] var_1_8 = (! var_1_10) VAL [isInitial=1, var_1_10=1, var_1_11=3470417426, var_1_13=3470417425, var_1_14=27/5, var_1_17=64, var_1_1=3, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L91] RET functionized5(var_1_11, var_1_2, var_1_13) [L92] COND FALSE !((var_1_12 * var_1_11) > var_1_13) [L99] var_1_14 = var_1_16 VAL [isInitial=1, var_1_10=1, var_1_11=3470417426, var_1_13=3470417425, var_1_14=3470417425, var_1_16=3470417425, var_1_17=64, var_1_1=3, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L101] CALL, EXPR functionized6(var_1_13) [L72] return ((((functionized6_localFunctionVar0) < (var_1_16)) ? (functionized6_localFunctionVar0) : (var_1_16))); VAL [\result=3470417425, isInitial=1, var_1_10=1, var_1_11=3470417426, var_1_13=3470417425, var_1_14=3470417425, var_1_16=3470417425, var_1_17=64, var_1_1=3, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L101] RET, EXPR functionized6(var_1_13) [L101] COND TRUE ((var_1_11 + var_1_14) / 9.2) < functionized6(var_1_13) [L102] var_1_17 = ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))) VAL [isInitial=1, var_1_10=1, var_1_11=3470417426, var_1_13=3470417425, var_1_14=3470417425, var_1_16=3470417425, var_1_17=4, var_1_18=4, var_1_1=3, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L150] RET step() [L151] CALL, EXPR property() [L141-L142] return (((((((var_1_2 > (- var_1_3)) ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_2 + var_1_4))) ? (var_1_3) : ((var_1_2 + var_1_4)))))) : (var_1_1 == ((signed long int) (((((1 - var_1_2)) < (16)) ? ((1 - var_1_2)) : (16)))))) && ((var_1_3 < var_1_2) ? (var_1_5 == ((signed long int) ((var_1_2 - var_1_3) + var_1_4))) : 1)) && ((var_1_2 < (- var_1_5)) ? (var_1_6 == ((signed short int) (32 - var_1_3))) : 1)) && ((var_1_1 > var_1_3) ? ((var_1_4 <= var_1_6) ? (var_1_7 == ((unsigned long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_2)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_11 / var_1_12) >= var_1_13) || var_1_10))))) && (((var_1_12 * var_1_11) > var_1_13) ? ((var_1_9 < var_1_5) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((var_1_11 + var_1_14) / 9.2) < ((((var_1_13) < (var_1_16)) ? (var_1_13) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))))) : (var_1_17 == ((signed long int) var_1_4))) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=3470417426, var_1_13=3470417425, var_1_14=3470417425, var_1_16=3470417425, var_1_17=4, var_1_18=4, var_1_1=3, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=3470417426, var_1_13=3470417425, var_1_14=3470417425, var_1_16=3470417425, var_1_17=4, var_1_18=4, var_1_1=3, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=3470417426, var_1_13=3470417425, var_1_14=3470417425, var_1_16=3470417425, var_1_17=4, var_1_18=4, var_1_1=3, var_1_2=260, var_1_3=-253, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-12884901892] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 421 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 206 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 215 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 390 ConstructedInterpolants, 0 QuantifiedInterpolants, 398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 323 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1802/1836 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 08:35:37,129 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_codestructure_functionizing_file-0.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 e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:35:39,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:35:39,442 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 08:35:39,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:35:39,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:35:39,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:35:39,473 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:35:39,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:35:39,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:35:39,474 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:35:39,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:35:39,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:35:39,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:35:39,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:35:39,476 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:35:39,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:35:39,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:35:39,476 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:35:39,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:35:39,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:35:39,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:35:39,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:35:39,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:35:39,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 08:35:39,477 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 08:35:39,477 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 08:35:39,477 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:35:39,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:35:39,477 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:35:39,477 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:35:39,477 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:35:39,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:35:39,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:35:39,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:35:39,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:35:39,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:35:39,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:35:39,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:35:39,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:35:39,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:35:39,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:35:39,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:35:39,479 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:35:39,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:35:39,479 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 08:35:39,479 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 08:35:39,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:35:39,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:35:39,480 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:35:39,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:35:39,480 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 -> e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f [2025-01-09 08:35:39,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:35:39,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:35:39,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:35:39,767 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:35:39,768 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:35:39,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2025-01-09 08:35:41,011 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01d2ca6eb/3b1fe23074e242c0a75bf0cf5afc1380/FLAGf4812d33e [2025-01-09 08:35:41,216 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:35:41,216 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2025-01-09 08:35:41,223 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01d2ca6eb/3b1fe23074e242c0a75bf0cf5afc1380/FLAGf4812d33e [2025-01-09 08:35:41,238 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01d2ca6eb/3b1fe23074e242c0a75bf0cf5afc1380 [2025-01-09 08:35:41,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:35:41,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:35:41,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:35:41,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:35:41,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:35:41,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c246bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41, skipping insertion in model container [2025-01-09 08:35:41,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:35:41,364 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_codestructure_functionizing_file-0.i[919,932] [2025-01-09 08:35:41,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:35:41,424 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:35:41,438 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_codestructure_functionizing_file-0.i[919,932] [2025-01-09 08:35:41,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:35:41,469 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:35:41,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41 WrapperNode [2025-01-09 08:35:41,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:35:41,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:35:41,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:35:41,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:35:41,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,512 INFO L138 Inliner]: procedures = 34, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 161 [2025-01-09 08:35:41,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:35:41,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:35:41,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:35:41,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:35:41,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,545 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 08:35:41,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,551 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:35:41,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:35:41,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:35:41,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:35:41,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (1/1) ... [2025-01-09 08:35:41,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:35:41,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:35:41,599 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 08:35:41,604 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 08:35:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:35:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 08:35:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:35:41,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:35:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:35:41,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:35:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure functionized1 [2025-01-09 08:35:41,623 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized1 [2025-01-09 08:35:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure functionized0 [2025-01-09 08:35:41,623 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized0 [2025-01-09 08:35:41,694 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:35:41,695 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:36:01,818 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2025-01-09 08:36:01,818 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:36:01,828 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:36:01,829 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:36:01,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:36:01 BoogieIcfgContainer [2025-01-09 08:36:01,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:36:01,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:36:01,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:36:01,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:36:01,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:35:41" (1/3) ... [2025-01-09 08:36:01,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30041a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:36:01, skipping insertion in model container [2025-01-09 08:36:01,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:35:41" (2/3) ... [2025-01-09 08:36:01,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30041a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:36:01, skipping insertion in model container [2025-01-09 08:36:01,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:36:01" (3/3) ... [2025-01-09 08:36:01,839 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-0.i [2025-01-09 08:36:01,849 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:36:01,851 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_functionizing_file-0.i that has 4 procedures, 80 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:36:01,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:36:01,905 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;@6ae9bca0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:36:01,905 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:36:01,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 54 states have internal predecessors, (68), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-09 08:36:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-09 08:36:01,916 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:36:01,916 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:36:01,917 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:36:01,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:36:01,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1752554533, now seen corresponding path program 1 times [2025-01-09 08:36:01,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:36:01,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354155334] [2025-01-09 08:36:01,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:36:01,941 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 08:36:01,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:36:01,944 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 08:36:01,946 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 08:36:02,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-09 08:36:03,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-09 08:36:03,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:36:03,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:36:03,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:36:03,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:36:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2025-01-09 08:36:03,647 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:36:03,647 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 08:36:03,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354155334] [2025-01-09 08:36:03,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354155334] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:36:03,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:36:03,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 08:36:03,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303118172] [2025-01-09 08:36:03,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:36:03,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:36:03,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 08:36:03,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:36:03,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:36:03,675 INFO L87 Difference]: Start difference. First operand has 80 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 54 states have internal predecessors, (68), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 08:36:03,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:36:03,698 INFO L93 Difference]: Finished difference Result 154 states and 237 transitions. [2025-01-09 08:36:03,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:36:03,700 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 130 [2025-01-09 08:36:03,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:36:03,704 INFO L225 Difference]: With dead ends: 154 [2025-01-09 08:36:03,705 INFO L226 Difference]: Without dead ends: 77 [2025-01-09 08:36:03,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 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 08:36:03,710 INFO L435 NwaCegarLoop]: 107 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, 107 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 08:36:03,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:36:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-01-09 08:36:03,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-01-09 08:36:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 51 states have internal predecessors, (63), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-09 08:36:03,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2025-01-09 08:36:03,749 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 130 [2025-01-09 08:36:03,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:36:03,750 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2025-01-09 08:36:03,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 08:36:03,751 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2025-01-09 08:36:03,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-09 08:36:03,753 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:36:03,753 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:36:03,806 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 08:36:03,954 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 08:36:03,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:36:03,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:36:03,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1740204639, now seen corresponding path program 1 times [2025-01-09 08:36:03,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:36:03,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340177403] [2025-01-09 08:36:03,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:36:03,956 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 08:36:03,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:36:03,959 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 08:36:03,960 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 08:36:04,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-09 08:36:05,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-09 08:36:05,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:36:05,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:36:05,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 08:36:05,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:36:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-01-09 08:36:06,878 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:36:06,878 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 08:36:06,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340177403] [2025-01-09 08:36:06,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340177403] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:36:06,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:36:06,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 08:36:06,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502996412] [2025-01-09 08:36:06,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:36:06,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 08:36:06,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 08:36:06,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 08:36:06,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 08:36:06,880 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 08:36:12,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 08:36:16,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 08:36:20,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 08:36:24,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 08:36:28,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 08:36:33,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 08:36:37,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 08:36:41,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 08:36:41,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:36:41,638 INFO L93 Difference]: Finished difference Result 214 states and 292 transitions. [2025-01-09 08:36:41,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 08:36:41,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 130 [2025-01-09 08:36:41,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:36:41,642 INFO L225 Difference]: With dead ends: 214 [2025-01-09 08:36:41,643 INFO L226 Difference]: Without dead ends: 140 [2025-01-09 08:36:41,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 08:36:41,644 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 106 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2025-01-09 08:36:41,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 278 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 8 Unknown, 0 Unchecked, 34.7s Time] [2025-01-09 08:36:41,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2025-01-09 08:36:41,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 113. [2025-01-09 08:36:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 84 states have (on average 1.2738095238095237) internal successors, (107), 85 states have internal predecessors, (107), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-09 08:36:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 155 transitions. [2025-01-09 08:36:41,668 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 155 transitions. Word has length 130 [2025-01-09 08:36:41,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:36:41,670 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 155 transitions. [2025-01-09 08:36:41,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 08:36:41,671 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 155 transitions. [2025-01-09 08:36:41,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-09 08:36:41,673 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:36:41,673 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:36:41,711 INFO L540 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)] Forceful destruction successful, exit code 0 [2025-01-09 08:36:41,873 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 08:36:41,874 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:36:41,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:36:41,874 INFO L85 PathProgramCache]: Analyzing trace with hash -451304409, now seen corresponding path program 1 times [2025-01-09 08:36:41,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:36:41,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271253087] [2025-01-09 08:36:41,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:36:41,875 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 08:36:41,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:36:41,877 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 08:36:41,879 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 08:36:41,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-09 08:36:44,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-09 08:36:44,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:36:44,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:36:44,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-09 08:36:44,821 INFO L279 TraceCheckSpWp]: Computing forward predicates...