./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.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 bc4343435e8b0f90e9fafca790203e82878241d49cdad6f8cc3fc03787f7fe2b --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 15:04:59,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 15:04:59,777 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 15:04:59,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 15:04:59,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 15:04:59,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 15:04:59,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 15:04:59,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 15:04:59,804 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 15:04:59,804 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 15:04:59,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 15:04:59,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 15:04:59,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 15:04:59,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 15:04:59,805 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 15:04:59,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 15:04:59,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 15:04:59,806 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 15:04:59,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 15:04:59,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 15:04:59,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 15:04:59,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 15:04:59,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 15:04:59,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 15:04:59,806 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 15:04:59,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 15:04:59,807 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 15:04:59,807 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 15:04:59,807 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 15:04:59,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:04:59,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:04:59,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:04:59,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:04:59,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:04:59,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 15:04:59,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 15:04:59,808 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 -> bc4343435e8b0f90e9fafca790203e82878241d49cdad6f8cc3fc03787f7fe2b [2025-01-09 15:05:00,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 15:05:00,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 15:05:00,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 15:05:00,031 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 15:05:00,032 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 15:05:00,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i [2025-01-09 15:05:01,230 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/093de8092/6cdab390dc0947e3990736c2cb0112d3/FLAG8be13bb24 [2025-01-09 15:05:01,496 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 15:05:01,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i [2025-01-09 15:05:01,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/093de8092/6cdab390dc0947e3990736c2cb0112d3/FLAG8be13bb24 [2025-01-09 15:05:01,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/093de8092/6cdab390dc0947e3990736c2cb0112d3 [2025-01-09 15:05:01,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 15:05:01,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 15:05:01,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 15:05:01,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 15:05:01,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 15:05:01,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:05:01" (1/1) ... [2025-01-09 15:05:01,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54923598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:01, skipping insertion in model container [2025-01-09 15:05:01,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:05:01" (1/1) ... [2025-01-09 15:05:01,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 15:05:01,900 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i[915,928] [2025-01-09 15:05:01,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:05:01,974 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 15:05:01,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i[915,928] [2025-01-09 15:05:02,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:05:02,030 INFO L204 MainTranslator]: Completed translation [2025-01-09 15:05:02,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02 WrapperNode [2025-01-09 15:05:02,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 15:05:02,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 15:05:02,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 15:05:02,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 15:05:02,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,076 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2025-01-09 15:05:02,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 15:05:02,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 15:05:02,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 15:05:02,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 15:05:02,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,104 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 15:05:02,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,114 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 15:05:02,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 15:05:02,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 15:05:02,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 15:05:02,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (1/1) ... [2025-01-09 15:05:02,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:05:02,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:05:02,153 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 15:05:02,155 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 15:05:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 15:05:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 15:05:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 15:05:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 15:05:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 15:05:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 15:05:02,234 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 15:05:02,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 15:05:02,453 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 15:05:02,453 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 15:05:02,461 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 15:05:02,461 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 15:05:02,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:05:02 BoogieIcfgContainer [2025-01-09 15:05:02,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 15:05:02,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 15:05:02,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 15:05:02,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 15:05:02,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:05:01" (1/3) ... [2025-01-09 15:05:02,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b0bc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:05:02, skipping insertion in model container [2025-01-09 15:05:02,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:02" (2/3) ... [2025-01-09 15:05:02,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b0bc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:05:02, skipping insertion in model container [2025-01-09 15:05:02,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:05:02" (3/3) ... [2025-01-09 15:05:02,468 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-96.i [2025-01-09 15:05:02,477 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 15:05:02,479 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-96.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 15:05:02,533 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 15:05:02,547 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;@606138df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 15:05:02,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 15:05:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 43 states have internal predecessors, (55), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-09 15:05:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-01-09 15:05:02,557 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:05:02,558 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:02,558 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:05:02,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:05:02,561 INFO L85 PathProgramCache]: Analyzing trace with hash 291962211, now seen corresponding path program 1 times [2025-01-09 15:05:02,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:05:02,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510516447] [2025-01-09 15:05:02,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:02,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:05:02,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:02,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:02,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:02,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:05:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2025-01-09 15:05:02,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 15:05:02,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510516447] [2025-01-09 15:05:02,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510516447] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 15:05:02,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485956975] [2025-01-09 15:05:02,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:02,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 15:05:02,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:05:02,792 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 15:05:02,794 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 15:05:02,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:02,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:02,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:02,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:05:02,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 15:05:02,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:05:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2025-01-09 15:05:02,995 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 15:05:02,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485956975] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 15:05:02,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 15:05:02,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 15:05:02,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906686834] [2025-01-09 15:05:02,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 15:05:03,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 15:05:03,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 15:05:03,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 15:05:03,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 15:05:03,013 INFO L87 Difference]: Start difference. First operand has 72 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 43 states have internal predecessors, (55), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2025-01-09 15:05:03,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:05:03,029 INFO L93 Difference]: Finished difference Result 135 states and 234 transitions. [2025-01-09 15:05:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 15:05:03,031 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167 [2025-01-09 15:05:03,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:05:03,035 INFO L225 Difference]: With dead ends: 135 [2025-01-09 15:05:03,035 INFO L226 Difference]: Without dead ends: 66 [2025-01-09 15:05:03,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 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 15:05:03,039 INFO L435 NwaCegarLoop]: 97 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, 97 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 15:05:03,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 15:05:03,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-01-09 15:05:03,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-01-09 15:05:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-09 15:05:03,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 97 transitions. [2025-01-09 15:05:03,092 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 97 transitions. Word has length 167 [2025-01-09 15:05:03,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:05:03,093 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 97 transitions. [2025-01-09 15:05:03,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2025-01-09 15:05:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2025-01-09 15:05:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-01-09 15:05:03,102 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:05:03,103 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:03,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 15:05:03,303 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 15:05:03,304 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:05:03,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:05:03,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1522275043, now seen corresponding path program 1 times [2025-01-09 15:05:03,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:05:03,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388317874] [2025-01-09 15:05:03,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:03,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:05:03,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:03,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:03,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:03,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:05:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2025-01-09 15:05:03,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 15:05:03,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388317874] [2025-01-09 15:05:03,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388317874] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 15:05:03,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 15:05:03,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 15:05:03,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283607757] [2025-01-09 15:05:03,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 15:05:03,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 15:05:03,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 15:05:03,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 15:05:03,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 15:05:03,660 INFO L87 Difference]: Start difference. First operand 66 states and 97 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2025-01-09 15:05:03,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:05:03,830 INFO L93 Difference]: Finished difference Result 193 states and 286 transitions. [2025-01-09 15:05:03,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 15:05:03,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2025-01-09 15:05:03,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:05:03,833 INFO L225 Difference]: With dead ends: 193 [2025-01-09 15:05:03,834 INFO L226 Difference]: Without dead ends: 130 [2025-01-09 15:05:03,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 15:05:03,836 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 52 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 15:05:03,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 271 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 15:05:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-01-09 15:05:03,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 115. [2025-01-09 15:05:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 58 states have (on average 1.103448275862069) internal successors, (64), 58 states have internal predecessors, (64), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-09 15:05:03,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2025-01-09 15:05:03,868 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 167 [2025-01-09 15:05:03,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:05:03,869 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2025-01-09 15:05:03,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2025-01-09 15:05:03,869 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2025-01-09 15:05:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-01-09 15:05:03,870 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:05:03,870 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:03,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 15:05:03,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:05:03,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:05:03,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1264109605, now seen corresponding path program 1 times [2025-01-09 15:05:03,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:05:03,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471262039] [2025-01-09 15:05:03,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:03,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:05:03,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:03,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:03,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:03,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:05:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 84 proven. 66 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2025-01-09 15:05:04,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 15:05:04,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471262039] [2025-01-09 15:05:04,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471262039] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 15:05:04,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364722344] [2025-01-09 15:05:04,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:04,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 15:05:04,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:05:04,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 15:05:04,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 15:05:04,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:04,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:04,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:04,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:05:04,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-09 15:05:04,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:05:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 944 proven. 120 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2025-01-09 15:05:05,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 15:05:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 84 proven. 69 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2025-01-09 15:05:06,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364722344] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 15:05:06,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 15:05:06,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 10] total 30 [2025-01-09 15:05:06,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436555743] [2025-01-09 15:05:06,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 15:05:06,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-01-09 15:05:06,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 15:05:06,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-01-09 15:05:06,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=653, Unknown=0, NotChecked=0, Total=870 [2025-01-09 15:05:06,281 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 30 states, 29 states have (on average 4.172413793103448) internal successors, (121), 27 states have internal predecessors, (121), 12 states have call successors, (81), 6 states have call predecessors, (81), 11 states have return successors, (81), 12 states have call predecessors, (81), 12 states have call successors, (81) [2025-01-09 15:05:08,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:05:08,598 INFO L93 Difference]: Finished difference Result 543 states and 730 transitions. [2025-01-09 15:05:08,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-01-09 15:05:08,599 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.172413793103448) internal successors, (121), 27 states have internal predecessors, (121), 12 states have call successors, (81), 6 states have call predecessors, (81), 11 states have return successors, (81), 12 states have call predecessors, (81), 12 states have call successors, (81) Word has length 167 [2025-01-09 15:05:08,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:05:08,606 INFO L225 Difference]: With dead ends: 543 [2025-01-09 15:05:08,606 INFO L226 Difference]: Without dead ends: 480 [2025-01-09 15:05:08,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3017 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2040, Invalid=6890, Unknown=0, NotChecked=0, Total=8930 [2025-01-09 15:05:08,613 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 410 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 1845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-09 15:05:08,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 784 Invalid, 1845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-09 15:05:08,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2025-01-09 15:05:08,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 342. [2025-01-09 15:05:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 193 states have (on average 1.1036269430051813) internal successors, (213), 197 states have internal predecessors, (213), 129 states have call successors, (129), 19 states have call predecessors, (129), 19 states have return successors, (129), 125 states have call predecessors, (129), 129 states have call successors, (129) [2025-01-09 15:05:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 471 transitions. [2025-01-09 15:05:08,657 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 471 transitions. Word has length 167 [2025-01-09 15:05:08,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:05:08,657 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 471 transitions. [2025-01-09 15:05:08,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 4.172413793103448) internal successors, (121), 27 states have internal predecessors, (121), 12 states have call successors, (81), 6 states have call predecessors, (81), 11 states have return successors, (81), 12 states have call predecessors, (81), 12 states have call successors, (81) [2025-01-09 15:05:08,658 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 471 transitions. [2025-01-09 15:05:08,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-01-09 15:05:08,659 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:05:08,659 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:08,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 15:05:08,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 15:05:08,864 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:05:08,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:05:08,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1262262563, now seen corresponding path program 1 times [2025-01-09 15:05:08,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:05:08,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384054494] [2025-01-09 15:05:08,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:08,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:05:08,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:08,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:08,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:08,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 15:05:08,948 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 15:05:08,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:08,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:08,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:08,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 15:05:09,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 15:05:09,028 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 15:05:09,028 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 15:05:09,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 15:05:09,031 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-09 15:05:09,098 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 15:05:09,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 03:05:09 BoogieIcfgContainer [2025-01-09 15:05:09,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 15:05:09,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 15:05:09,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 15:05:09,101 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 15:05:09,101 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:05:02" (3/4) ... [2025-01-09 15:05:09,102 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 15:05:09,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 15:05:09,103 INFO L158 Benchmark]: Toolchain (without parser) took 7310.92ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 124.6MB in the beginning and 224.9MB in the end (delta: -100.2MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2025-01-09 15:05:09,103 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:05:09,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.13ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 110.8MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 15:05:09,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.92ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 107.4MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 15:05:09,104 INFO L158 Benchmark]: Boogie Preprocessor took 47.33ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 103.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:05:09,104 INFO L158 Benchmark]: RCFGBuilder took 333.85ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 82.2MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 15:05:09,104 INFO L158 Benchmark]: TraceAbstraction took 6636.75ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 82.2MB in the beginning and 224.9MB in the end (delta: -142.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2025-01-09 15:05:09,104 INFO L158 Benchmark]: Witness Printer took 2.44ms. Allocated memory is still 335.5MB. Free memory was 224.9MB in the beginning and 224.9MB in the end (delta: 66.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:05:09,105 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.13ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 110.8MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.92ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 107.4MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.33ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 103.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.85ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 82.2MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6636.75ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 82.2MB in the beginning and 224.9MB in the end (delta: -142.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 2.44ms. Allocated memory is still 335.5MB. Free memory was 224.9MB in the beginning and 224.9MB in the end (delta: 66.1kB). 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 135, overapproximation of someBinaryDOUBLEComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 135, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 16; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_8 = -10; [L26] unsigned short int var_1_9 = 4; [L27] signed char var_1_10 = 8; [L28] unsigned short int var_1_12 = 64314; [L29] unsigned short int var_1_13 = 26169; [L30] signed char var_1_17 = 50; [L31] signed char var_1_18 = 16; [L32] signed char var_1_19 = 5; [L33] signed char var_1_20 = 0; [L34] signed char var_1_21 = 50; [L35] signed char var_1_22 = 16; [L36] unsigned char var_1_23 = 16; [L37] unsigned char var_1_24 = 1; [L38] unsigned char var_1_25 = 0; [L39] double var_1_27 = 0.25; [L40] double var_1_28 = 10.25; [L41] double var_1_29 = 1000.25; [L42] double var_1_30 = 9.5; [L43] float var_1_31 = 63.5; [L44] unsigned short int last_1_var_1_9 = 4; VAL [isInitial=0, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L139] isInitial = 1 [L140] FCALL initially() [L142] CALL updateLastVariables() [L132] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L142] RET updateLastVariables() [L143] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_6=1, var_1_8=-10, var_1_9=4] [L89] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_6=1, var_1_8=-10, var_1_9=4] [L90] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L90] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L91] var_1_6 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_8=-10, var_1_9=4] [L92] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_8=-10, var_1_9=4] [L93] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L93] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L94] var_1_8 = __VERIFIER_nondet_char() [L95] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L95] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L96] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L96] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L97] var_1_10 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L98] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L99] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L99] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L100] var_1_12 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_12 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L101] RET assume_abort_if_not(var_1_12 >= 49150) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L102] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L102] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L103] var_1_13 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_13 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L104] RET assume_abort_if_not(var_1_13 >= 24575) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L105] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L105] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L106] var_1_18 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L107] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L108] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L108] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L109] var_1_19 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L110] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L111] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L111] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L112] var_1_20 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L113] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L114] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L114] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L115] var_1_21 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_21 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L116] RET assume_abort_if_not(var_1_21 >= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L117] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L117] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L118] var_1_22 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L119] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L120] CALL assume_abort_if_not(var_1_22 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L120] RET assume_abort_if_not(var_1_22 <= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L121] var_1_25 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L122] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L123] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L123] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L124] var_1_28 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L125] RET assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L126] var_1_29 = __VERIFIER_nondet_double() [L127] CALL assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L127] RET assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L128] var_1_30 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L129] RET assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L143] RET updateVariables() [L144] CALL step() [L48] COND FALSE !((- last_1_var_1_9) < (last_1_var_1_9 + -500)) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=50, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L51] var_1_17 = (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22))) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=-94, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L52] COND FALSE !(\read(var_1_4)) [L55] var_1_24 = (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=-94, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L57] var_1_31 = var_1_30 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=-94, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=1/4, var_1_30=64320, var_1_31=64320, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L58] COND FALSE !(var_1_23 < var_1_23) [L69] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=-94, var_1_18=0, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=1/4, var_1_30=64320, var_1_31=64320, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L71] signed char stepLocal_0 = var_1_1; VAL [isInitial=1, last_1_var_1_9=4, stepLocal_0=126, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=-94, var_1_18=0, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=1/4, var_1_30=64320, var_1_31=64320, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=4] [L72] COND FALSE !(stepLocal_0 < (-1 - var_1_10)) [L79] var_1_9 = var_1_13 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=-94, var_1_18=0, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=1/4, var_1_30=64320, var_1_31=64320, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=-40961] [L81] COND FALSE !(var_1_9 < (var_1_21 + var_1_23)) [L84] var_1_27 = var_1_28 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=-94, var_1_18=0, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=64319, var_1_28=64319, var_1_30=64320, var_1_31=64320, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=-40961] [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return (((((((var_1_23 < var_1_23) ? ((var_1_24 && var_1_24) ? (var_1_24 ? ((var_1_24 && (var_1_24 || var_1_24)) ? (var_1_1 == ((signed char) -5)) : 1) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_1 < (-1 - var_1_10)) ? (var_1_24 ? (var_1_9 == ((unsigned short int) (var_1_10 + ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))))) : (var_1_9 == ((unsigned short int) ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))))))) : (var_1_9 == ((unsigned short int) var_1_13)))) && (var_1_17 == ((signed char) (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22)))))) && (((- last_1_var_1_9) < (last_1_var_1_9 + -500)) ? (var_1_23 == ((unsigned char) var_1_20)) : 1)) && (var_1_4 ? (var_1_24 == ((unsigned char) (! var_1_25))) : (var_1_24 == ((unsigned char) (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)))))) && ((var_1_9 < (var_1_21 + var_1_23)) ? (var_1_27 == ((double) ((var_1_28 + var_1_29) + var_1_30))) : (var_1_27 == ((double) var_1_28)))) && (var_1_31 == ((float) var_1_30)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=-94, var_1_18=0, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=64319, var_1_28=64319, var_1_30=64320, var_1_31=64320, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=-40961] [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=-94, var_1_18=0, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=64319, var_1_28=64319, var_1_30=64320, var_1_31=64320, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=-40961] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=-2, var_1_13=-40961, var_1_17=-94, var_1_18=0, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=64319, var_1_28=64319, var_1_30=64320, var_1_31=64320, var_1_4=0, var_1_6=1, var_1_8=126, var_1_9=-40961] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 4, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 486 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 462 mSDsluCounter, 1152 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 849 mSDsCounter, 498 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1443 IncrementalHoareTripleChecker+Invalid, 1941 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 498 mSolverCounterUnsat, 303 mSDtfsCounter, 1443 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 594 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3017 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=342occurred in iteration=3, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 153 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1002 NumberOfCodeBlocks, 1002 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 996 ConstructedInterpolants, 0 QuantifiedInterpolants, 4119 SizeOfPredicates, 6 NumberOfNonLiveVariables, 742 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 8117/8424 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 15:05:09,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.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 bc4343435e8b0f90e9fafca790203e82878241d49cdad6f8cc3fc03787f7fe2b --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 15:05:11,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 15:05:11,247 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 15:05:11,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 15:05:11,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 15:05:11,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 15:05:11,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 15:05:11,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 15:05:11,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 15:05:11,267 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 15:05:11,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 15:05:11,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 15:05:11,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 15:05:11,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 15:05:11,268 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 15:05:11,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 15:05:11,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 15:05:11,268 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 15:05:11,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 15:05:11,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 15:05:11,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 15:05:11,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 15:05:11,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 15:05:11,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 15:05:11,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 15:05:11,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 15:05:11,269 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 15:05:11,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 15:05:11,269 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 15:05:11,269 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 15:05:11,269 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 15:05:11,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:05:11,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:05:11,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 15:05:11,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 15:05:11,270 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 -> bc4343435e8b0f90e9fafca790203e82878241d49cdad6f8cc3fc03787f7fe2b [2025-01-09 15:05:11,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 15:05:11,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 15:05:11,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 15:05:11,631 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 15:05:11,632 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 15:05:11,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i [2025-01-09 15:05:12,861 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c0a35cfc2/f296df26be184bc09ca1fdbdd0826d68/FLAGfecf967f0 [2025-01-09 15:05:13,106 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 15:05:13,107 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i [2025-01-09 15:05:13,114 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c0a35cfc2/f296df26be184bc09ca1fdbdd0826d68/FLAGfecf967f0 [2025-01-09 15:05:13,443 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c0a35cfc2/f296df26be184bc09ca1fdbdd0826d68 [2025-01-09 15:05:13,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 15:05:13,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 15:05:13,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 15:05:13,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 15:05:13,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 15:05:13,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625c5318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13, skipping insertion in model container [2025-01-09 15:05:13,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 15:05:13,566 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i[915,928] [2025-01-09 15:05:13,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:05:13,614 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 15:05:13,621 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i[915,928] [2025-01-09 15:05:13,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:05:13,652 INFO L204 MainTranslator]: Completed translation [2025-01-09 15:05:13,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13 WrapperNode [2025-01-09 15:05:13,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 15:05:13,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 15:05:13,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 15:05:13,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 15:05:13,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,680 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2025-01-09 15:05:13,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 15:05:13,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 15:05:13,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 15:05:13,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 15:05:13,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,699 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 15:05:13,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,704 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 15:05:13,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 15:05:13,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 15:05:13,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 15:05:13,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (1/1) ... [2025-01-09 15:05:13,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:05:13,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:05:13,750 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 15:05:13,757 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 15:05:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 15:05:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 15:05:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 15:05:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 15:05:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 15:05:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 15:05:13,848 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 15:05:13,849 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 15:05:16,306 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 15:05:16,307 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 15:05:16,315 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 15:05:16,317 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 15:05:16,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:05:16 BoogieIcfgContainer [2025-01-09 15:05:16,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 15:05:16,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 15:05:16,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 15:05:16,348 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 15:05:16,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:05:13" (1/3) ... [2025-01-09 15:05:16,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e4615a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:05:16, skipping insertion in model container [2025-01-09 15:05:16,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:05:13" (2/3) ... [2025-01-09 15:05:16,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e4615a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:05:16, skipping insertion in model container [2025-01-09 15:05:16,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:05:16" (3/3) ... [2025-01-09 15:05:16,351 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-96.i [2025-01-09 15:05:16,360 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 15:05:16,361 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-96.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 15:05:16,410 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 15:05:16,417 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;@7d56ed6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 15:05:16,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 15:05:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 43 states have internal predecessors, (55), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-09 15:05:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-01-09 15:05:16,427 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:05:16,427 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:16,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:05:16,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:05:16,431 INFO L85 PathProgramCache]: Analyzing trace with hash 291962211, now seen corresponding path program 1 times [2025-01-09 15:05:16,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 15:05:16,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787028073] [2025-01-09 15:05:16,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:16,439 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 15:05:16,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 15:05:16,442 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 15:05:16,443 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 15:05:16,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:16,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:16,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:16,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:05:16,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 15:05:16,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:05:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2025-01-09 15:05:16,790 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 15:05:16,790 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 15:05:16,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787028073] [2025-01-09 15:05:16,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787028073] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 15:05:16,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 15:05:16,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 15:05:16,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161866921] [2025-01-09 15:05:16,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 15:05:16,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 15:05:16,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 15:05:16,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 15:05:16,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 15:05:16,815 INFO L87 Difference]: Start difference. First operand has 72 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 43 states have internal predecessors, (55), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-01-09 15:05:16,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:05:16,840 INFO L93 Difference]: Finished difference Result 135 states and 234 transitions. [2025-01-09 15:05:16,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 15:05:16,842 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167 [2025-01-09 15:05:16,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:05:16,848 INFO L225 Difference]: With dead ends: 135 [2025-01-09 15:05:16,848 INFO L226 Difference]: Without dead ends: 66 [2025-01-09 15:05:16,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 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 15:05:16,853 INFO L435 NwaCegarLoop]: 97 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, 97 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 15:05:16,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 15:05:16,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-01-09 15:05:16,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-01-09 15:05:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-09 15:05:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 97 transitions. [2025-01-09 15:05:16,892 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 97 transitions. Word has length 167 [2025-01-09 15:05:16,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:05:16,892 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 97 transitions. [2025-01-09 15:05:16,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-01-09 15:05:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2025-01-09 15:05:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-01-09 15:05:16,895 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:05:16,895 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:16,910 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 15:05:17,095 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 15:05:17,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:05:17,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:05:17,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1522275043, now seen corresponding path program 1 times [2025-01-09 15:05:17,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 15:05:17,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879060763] [2025-01-09 15:05:17,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:17,098 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 15:05:17,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 15:05:17,101 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 15:05:17,102 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 15:05:17,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:17,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:17,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:17,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:05:17,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 15:05:17,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:05:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2025-01-09 15:05:17,878 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 15:05:17,878 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 15:05:17,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879060763] [2025-01-09 15:05:17,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879060763] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 15:05:17,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 15:05:17,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 15:05:17,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813719574] [2025-01-09 15:05:17,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 15:05:17,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 15:05:17,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 15:05:17,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 15:05:17,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 15:05:17,881 INFO L87 Difference]: Start difference. First operand 66 states and 97 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2025-01-09 15:05:19,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 15:05:22,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 15:05:24,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 15:05:24,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:05:24,181 INFO L93 Difference]: Finished difference Result 193 states and 286 transitions. [2025-01-09 15:05:24,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 15:05:24,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2025-01-09 15:05:24,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:05:24,201 INFO L225 Difference]: With dead ends: 193 [2025-01-09 15:05:24,201 INFO L226 Difference]: Without dead ends: 130 [2025-01-09 15:05:24,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 15:05:24,202 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 49 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2025-01-09 15:05:24,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 271 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2025-01-09 15:05:24,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-01-09 15:05:24,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 115. [2025-01-09 15:05:24,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 58 states have (on average 1.103448275862069) internal successors, (64), 58 states have internal predecessors, (64), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-09 15:05:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2025-01-09 15:05:24,220 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 167 [2025-01-09 15:05:24,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:05:24,221 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2025-01-09 15:05:24,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2025-01-09 15:05:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2025-01-09 15:05:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-01-09 15:05:24,223 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:05:24,223 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:24,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-01-09 15:05:24,427 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 15:05:24,427 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:05:24,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:05:24,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1264109605, now seen corresponding path program 1 times [2025-01-09 15:05:24,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 15:05:24,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826463362] [2025-01-09 15:05:24,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:24,429 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 15:05:24,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 15:05:24,430 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 15:05:24,432 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 15:05:24,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:24,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:24,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:24,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:05:24,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 15:05:24,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:05:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 928 proven. 108 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2025-01-09 15:05:25,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 15:05:25,863 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 15:05:25,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826463362] [2025-01-09 15:05:25,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826463362] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 15:05:25,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [211008943] [2025-01-09 15:05:25,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:25,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-01-09 15:05:25,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-01-09 15:05:25,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-01-09 15:05:25,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2025-01-09 15:05:25,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:26,261 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:26,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:26,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:05:26,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 15:05:26,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:05:26,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 686 proven. 48 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2025-01-09 15:05:26,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 15:05:26,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [211008943] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 15:05:26,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 15:05:26,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 13 [2025-01-09 15:05:26,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178328529] [2025-01-09 15:05:26,620 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 15:05:26,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-09 15:05:26,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 15:05:26,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-09 15:05:26,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2025-01-09 15:05:26,622 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 4 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2025-01-09 15:05:28,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 15:05:30,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 15:05:31,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:05:31,654 INFO L93 Difference]: Finished difference Result 289 states and 398 transitions. [2025-01-09 15:05:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-09 15:05:31,654 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 4 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 167 [2025-01-09 15:05:31,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:05:31,657 INFO L225 Difference]: With dead ends: 289 [2025-01-09 15:05:31,657 INFO L226 Difference]: Without dead ends: 226 [2025-01-09 15:05:31,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=351, Invalid=909, Unknown=0, NotChecked=0, Total=1260 [2025-01-09 15:05:31,658 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 115 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-09 15:05:31,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 444 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2025-01-09 15:05:31,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-01-09 15:05:31,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 207. [2025-01-09 15:05:31,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 112 states have (on average 1.0625) internal successors, (119), 113 states have internal predecessors, (119), 81 states have call successors, (81), 13 states have call predecessors, (81), 13 states have return successors, (81), 80 states have call predecessors, (81), 81 states have call successors, (81) [2025-01-09 15:05:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 281 transitions. [2025-01-09 15:05:31,689 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 281 transitions. Word has length 167 [2025-01-09 15:05:31,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:05:31,690 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 281 transitions. [2025-01-09 15:05:31,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 4 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2025-01-09 15:05:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 281 transitions. [2025-01-09 15:05:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-01-09 15:05:31,691 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:05:31,691 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:31,701 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 (4)] Ended with exit code 0 [2025-01-09 15:05:31,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2025-01-09 15:05:32,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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=3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2025-01-09 15:05:32,096 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:05:32,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:05:32,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1262262563, now seen corresponding path program 1 times [2025-01-09 15:05:32,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 15:05:32,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880692208] [2025-01-09 15:05:32,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:05:32,098 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 15:05:32,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 15:05:32,100 INFO L229 MonitoredProcess]: Starting monitored process 6 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 15:05:32,101 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 (6)] Waiting until timeout for monitored process [2025-01-09 15:05:32,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 15:05:32,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 15:05:32,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:05:32,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:05:32,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-01-09 15:05:32,334 INFO L279 TraceCheckSpWp]: Computing forward predicates...