./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85a06854ab21bfb64b565199ec44aac3269496a8708460391fd73b28ec326e68 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:54:47,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:54:47,128 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 07:54:47,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:54:47,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:54:47,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:54:47,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:54:47,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:54:47,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:54:47,166 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:54:47,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:54:47,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:54:47,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:54:47,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:54:47,173 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:54:47,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:54:47,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:54:47,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:54:47,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 07:54:47,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:54:47,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:54:47,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:54:47,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:54:47,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:54:47,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:54:47,180 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:54:47,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:54:47,181 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:54:47,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:54:47,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:54:47,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:54:47,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:54:47,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:54:47,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:54:47,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:54:47,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:54:47,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 07:54:47,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 07:54:47,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:54:47,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:54:47,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:54:47,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:54:47,187 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85a06854ab21bfb64b565199ec44aac3269496a8708460391fd73b28ec326e68 [2024-11-10 07:54:47,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:54:47,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:54:47,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:54:47,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:54:47,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:54:47,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i [2024-11-10 07:54:49,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:54:49,278 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:54:49,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i [2024-11-10 07:54:49,294 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f128dcdf2/3e6d678ac9d1451c8faa7cd2295b1224/FLAG9998def6a [2024-11-10 07:54:49,633 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f128dcdf2/3e6d678ac9d1451c8faa7cd2295b1224 [2024-11-10 07:54:49,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:54:49,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:54:49,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:54:49,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:54:49,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:54:49,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:54:49" (1/1) ... [2024-11-10 07:54:49,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e9f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:49, skipping insertion in model container [2024-11-10 07:54:49,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:54:49" (1/1) ... [2024-11-10 07:54:49,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:54:49,900 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i[915,928] [2024-11-10 07:54:49,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:54:50,006 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:54:50,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i[915,928] [2024-11-10 07:54:50,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:54:50,083 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:54:50,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50 WrapperNode [2024-11-10 07:54:50,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:54:50,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:54:50,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:54:50,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:54:50,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,161 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-10 07:54:50,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:54:50,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:54:50,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:54:50,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:54:50,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,179 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,214 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 07:54:50,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,243 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:54:50,271 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:54:50,271 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:54:50,271 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:54:50,272 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (1/1) ... [2024-11-10 07:54:50,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:54:50,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:54:50,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 07:54:50,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 07:54:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:54:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:54:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:54:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 07:54:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:54:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:54:50,465 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:54:50,467 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:54:50,908 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-10 07:54:50,908 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:54:50,930 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:54:50,931 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 07:54:50,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:54:50 BoogieIcfgContainer [2024-11-10 07:54:50,932 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:54:50,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:54:50,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:54:50,940 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:54:50,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:54:49" (1/3) ... [2024-11-10 07:54:50,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed5521d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:54:50, skipping insertion in model container [2024-11-10 07:54:50,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:50" (2/3) ... [2024-11-10 07:54:50,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed5521d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:54:50, skipping insertion in model container [2024-11-10 07:54:50,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:54:50" (3/3) ... [2024-11-10 07:54:50,945 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-19.i [2024-11-10 07:54:50,963 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:54:50,985 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:54:51,096 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:54:51,105 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;@31eb2a9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:54:51,106 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:54:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 07:54:51,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 07:54:51,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:54:51,126 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:54:51,126 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:54:51,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:54:51,131 INFO L85 PathProgramCache]: Analyzing trace with hash -53426905, now seen corresponding path program 1 times [2024-11-10 07:54:51,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:54:51,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216551865] [2024-11-10 07:54:51,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:54:51,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:54:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:54:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:54:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:54:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:54:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:54:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:54:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:54:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:54:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:54:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:54:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:54:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:54:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:54:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:54:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:54:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:54:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:54:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:54:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:54:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 07:54:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:54:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:54:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 07:54:51,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:54:51,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216551865] [2024-11-10 07:54:51,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216551865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:54:51,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:54:51,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:54:51,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112414217] [2024-11-10 07:54:51,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:54:51,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:54:51,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:54:51,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:54:51,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:54:51,640 INFO L87 Difference]: Start difference. First operand has 68 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 07:54:51,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:54:51,680 INFO L93 Difference]: Finished difference Result 128 states and 217 transitions. [2024-11-10 07:54:51,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:54:51,682 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2024-11-10 07:54:51,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:54:51,692 INFO L225 Difference]: With dead ends: 128 [2024-11-10 07:54:51,695 INFO L226 Difference]: Without dead ends: 63 [2024-11-10 07:54:51,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:54:51,706 INFO L432 NwaCegarLoop]: 93 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, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:54:51,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:54:51,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-10 07:54:51,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-10 07:54:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 07:54:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2024-11-10 07:54:51,773 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 144 [2024-11-10 07:54:51,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:54:51,775 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2024-11-10 07:54:51,775 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 07:54:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2024-11-10 07:54:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 07:54:51,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:54:51,782 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:54:51,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 07:54:51,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:54:51,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:54:51,785 INFO L85 PathProgramCache]: Analyzing trace with hash -975523765, now seen corresponding path program 1 times [2024-11-10 07:54:51,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:54:51,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642513151] [2024-11-10 07:54:51,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:54:51,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:54:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:54:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:54:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:54:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:54:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:54:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:54:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:54:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:54:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:54:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:54:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:54:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:54:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:54:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:54:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:54:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:54:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:54:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:54:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:54:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 07:54:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:54:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:54:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 07:54:52,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:54:52,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642513151] [2024-11-10 07:54:52,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642513151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:54:52,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:54:52,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:54:52,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460223951] [2024-11-10 07:54:52,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:54:52,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:54:52,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:54:52,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:54:52,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:54:52,631 INFO L87 Difference]: Start difference. First operand 63 states and 93 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 07:54:52,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:54:52,824 INFO L93 Difference]: Finished difference Result 200 states and 296 transitions. [2024-11-10 07:54:52,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:54:52,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2024-11-10 07:54:52,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:54:52,828 INFO L225 Difference]: With dead ends: 200 [2024-11-10 07:54:52,828 INFO L226 Difference]: Without dead ends: 140 [2024-11-10 07:54:52,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:54:52,830 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 75 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:54:52,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 279 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:54:52,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-10 07:54:52,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 120. [2024-11-10 07:54:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 73 states have (on average 1.2465753424657535) internal successors, (91), 73 states have internal predecessors, (91), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 07:54:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 179 transitions. [2024-11-10 07:54:52,865 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 179 transitions. Word has length 144 [2024-11-10 07:54:52,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:54:52,866 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 179 transitions. [2024-11-10 07:54:52,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 07:54:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 179 transitions. [2024-11-10 07:54:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 07:54:52,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:54:52,869 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:54:52,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 07:54:52,869 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:54:52,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:54:52,870 INFO L85 PathProgramCache]: Analyzing trace with hash 532028044, now seen corresponding path program 1 times [2024-11-10 07:54:52,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:54:52,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156500823] [2024-11-10 07:54:52,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:54:52,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:54:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:54:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:54:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:54:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:54:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:54:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:54:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:54:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:54:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:54:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:54:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:54:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:54:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:54:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:54:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:54:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:54:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:54:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:54:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:54:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 07:54:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:54:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:54:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,275 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 07:54:53,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:54:53,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156500823] [2024-11-10 07:54:53,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156500823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:54:53,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:54:53,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 07:54:53,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774419598] [2024-11-10 07:54:53,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:54:53,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 07:54:53,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:54:53,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 07:54:53,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:54:53,280 INFO L87 Difference]: Start difference. First operand 120 states and 179 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 07:54:53,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:54:53,349 INFO L93 Difference]: Finished difference Result 297 states and 445 transitions. [2024-11-10 07:54:53,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 07:54:53,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2024-11-10 07:54:53,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:54:53,356 INFO L225 Difference]: With dead ends: 297 [2024-11-10 07:54:53,357 INFO L226 Difference]: Without dead ends: 180 [2024-11-10 07:54:53,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:54:53,359 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:54:53,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 174 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:54:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-10 07:54:53,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2024-11-10 07:54:53,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 107 states have (on average 1.2242990654205608) internal successors, (131), 107 states have internal predecessors, (131), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 07:54:53,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 263 transitions. [2024-11-10 07:54:53,410 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 263 transitions. Word has length 144 [2024-11-10 07:54:53,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:54:53,410 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 263 transitions. [2024-11-10 07:54:53,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 07:54:53,411 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2024-11-10 07:54:53,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 07:54:53,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:54:53,417 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:54:53,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 07:54:53,417 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:54:53,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:54:53,418 INFO L85 PathProgramCache]: Analyzing trace with hash 26469419, now seen corresponding path program 1 times [2024-11-10 07:54:53,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:54:53,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840278433] [2024-11-10 07:54:53,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:54:53,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:54:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:54:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:54:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:54:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:54:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:54:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:54:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:54:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:54:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:54:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:54:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:54:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:54:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:54:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:54:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:54:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:54:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:54:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:54:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:54:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 07:54:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:54:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:54:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:53,927 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-10 07:54:53,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:54:53,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840278433] [2024-11-10 07:54:53,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840278433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:54:53,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834238832] [2024-11-10 07:54:53,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:54:53,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:54:53,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:54:53,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:54:53,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 07:54:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:54:54,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 07:54:54,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:54:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-10 07:54:54,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:54:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-10 07:54:54,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834238832] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:54:54,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:54:54,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-10 07:54:54,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879216733] [2024-11-10 07:54:54,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:54:54,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 07:54:54,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:54:54,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 07:54:54,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:54:54,621 INFO L87 Difference]: Start difference. First operand 177 states and 263 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 07:54:54,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:54:54,878 INFO L93 Difference]: Finished difference Result 318 states and 460 transitions. [2024-11-10 07:54:54,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 07:54:54,879 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 144 [2024-11-10 07:54:54,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:54:54,881 INFO L225 Difference]: With dead ends: 318 [2024-11-10 07:54:54,882 INFO L226 Difference]: Without dead ends: 201 [2024-11-10 07:54:54,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 328 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-10 07:54:54,884 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 84 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:54:54,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 147 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:54:54,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-10 07:54:54,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 189. [2024-11-10 07:54:54,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 116 states have (on average 1.1896551724137931) internal successors, (138), 116 states have internal predecessors, (138), 66 states have call successors, (66), 6 states have call predecessors, (66), 6 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 07:54:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 270 transitions. [2024-11-10 07:54:54,919 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 270 transitions. Word has length 144 [2024-11-10 07:54:54,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:54:54,919 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 270 transitions. [2024-11-10 07:54:54,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 07:54:54,920 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 270 transitions. [2024-11-10 07:54:54,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 07:54:54,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:54:54,924 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:54:54,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 07:54:55,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:54:55,126 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:54:55,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:54:55,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1769279754, now seen corresponding path program 1 times [2024-11-10 07:54:55,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:54:55,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600609432] [2024-11-10 07:54:55,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:54:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:54:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 07:54:55,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 07:54:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 07:54:55,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 07:54:55,394 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 07:54:55,395 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 07:54:55,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 07:54:55,401 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-10 07:54:55,505 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 07:54:55,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:54:55 BoogieIcfgContainer [2024-11-10 07:54:55,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 07:54:55,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 07:54:55,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 07:54:55,509 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 07:54:55,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:54:50" (3/4) ... [2024-11-10 07:54:55,512 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 07:54:55,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 07:54:55,514 INFO L158 Benchmark]: Toolchain (without parser) took 5874.79ms. Allocated memory was 161.5MB in the beginning and 241.2MB in the end (delta: 79.7MB). Free memory was 105.9MB in the beginning and 72.8MB in the end (delta: 33.0MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2024-11-10 07:54:55,514 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 161.5MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 07:54:55,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.77ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 88.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 07:54:55,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.53ms. Allocated memory is still 161.5MB. Free memory was 88.5MB in the beginning and 82.8MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 07:54:55,515 INFO L158 Benchmark]: Boogie Preprocessor took 107.07ms. Allocated memory is still 161.5MB. Free memory was 82.8MB in the beginning and 71.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 07:54:55,515 INFO L158 Benchmark]: IcfgBuilder took 661.20ms. Allocated memory is still 161.5MB. Free memory was 71.7MB in the beginning and 45.6MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-10 07:54:55,516 INFO L158 Benchmark]: TraceAbstraction took 4573.99ms. Allocated memory was 161.5MB in the beginning and 241.2MB in the end (delta: 79.7MB). Free memory was 45.0MB in the beginning and 72.8MB in the end (delta: -27.8MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2024-11-10 07:54:55,516 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 241.2MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 07:54:55,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 161.5MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.77ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 88.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.53ms. Allocated memory is still 161.5MB. Free memory was 88.5MB in the beginning and 82.8MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.07ms. Allocated memory is still 161.5MB. Free memory was 82.8MB in the beginning and 71.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * IcfgBuilder took 661.20ms. Allocated memory is still 161.5MB. Free memory was 71.7MB in the beginning and 45.6MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4573.99ms. Allocated memory was 161.5MB in the beginning and 241.2MB in the end (delta: 79.7MB). Free memory was 45.0MB in the beginning and 72.8MB in the end (delta: -27.8MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 241.2MB. Free memory is still 72.8MB. 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 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 125, overapproximation of someUnaryFLOAToperation at line 53, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] signed short int var_1_6 = -16; [L26] unsigned short int var_1_7 = 56838; [L27] unsigned short int var_1_8 = 24612; [L28] signed short int var_1_9 = 20013; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 0; [L32] signed short int var_1_14 = 50; [L33] unsigned char var_1_15 = 0; [L34] signed short int var_1_19 = 100; [L35] double var_1_21 = 3.5; [L36] signed short int var_1_23 = -128; [L37] float var_1_24 = 10.2; [L38] float var_1_25 = 8.6; [L39] float var_1_26 = 32.7; [L40] float var_1_27 = 16.25; [L41] float var_1_28 = 8.875; [L42] unsigned short int var_1_29 = 256; [L43] unsigned char last_1_var_1_15 = 0; VAL [isInitial=0, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] CALL updateLastVariables() [L122] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L132] RET updateLastVariables() [L133] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L86] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L87] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L87] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L88] var_1_3 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L89] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L90] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L90] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L91] var_1_7 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L92] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L93] CALL assume_abort_if_not(var_1_7 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L93] RET assume_abort_if_not(var_1_7 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L94] var_1_8 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L95] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L96] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L96] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L97] var_1_9 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_9 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L98] RET assume_abort_if_not(var_1_9 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L99] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L99] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L100] var_1_12 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L101] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L102] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L102] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L103] var_1_13 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L104] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L105] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L105] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L106] var_1_21 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L107] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L108] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L108] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L109] var_1_23 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_23 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L110] RET assume_abort_if_not(var_1_23 >= -16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L111] CALL assume_abort_if_not(var_1_23 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L111] RET assume_abort_if_not(var_1_23 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L112] var_1_25 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L113] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L114] var_1_26 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L115] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L116] var_1_27 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L117] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L118] var_1_28 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L119] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L133] RET updateVariables() [L134] CALL step() [L47] COND FALSE !(\read(last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L50] COND FALSE !(\read(var_1_10)) [L53] var_1_24 = ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=56843, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L55] COND TRUE (- var_1_24) == (var_1_24 + var_1_24) [L56] var_1_15 = var_1_12 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=16383, var_1_24=56843, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L58] COND FALSE !(var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) [L65] var_1_19 = var_1_2 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=16383, var_1_24=56843, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L67] COND TRUE var_1_24 != var_1_24 [L68] var_1_29 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L70] signed long int stepLocal_1 = var_1_7 - (var_1_8 - var_1_2); VAL [isInitial=1, last_1_var_1_15=0, stepLocal_1=127, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L71] COND TRUE stepLocal_1 >= var_1_29 [L72] var_1_6 = (var_1_3 - (var_1_9 - var_1_2)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L74] COND FALSE !(\read(var_1_15)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L77] signed long int stepLocal_0 = var_1_2 - var_1_3; VAL [isInitial=1, last_1_var_1_15=0, stepLocal_0=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L78] COND TRUE stepLocal_0 <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L79] var_1_1 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L134] RET step() [L135] CALL, EXPR property() [L125-L126] return (((((((((var_1_2 - var_1_3) <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))) ? (var_1_1 == ((signed long int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : (var_1_1 == ((signed long int) var_1_2))) && (((var_1_7 - (var_1_8 - var_1_2)) >= var_1_29) ? (var_1_6 == ((signed short int) (var_1_3 - (var_1_9 - var_1_2)))) : 1)) && (last_1_var_1_15 ? (var_1_10 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && (var_1_15 ? (var_1_14 == ((signed short int) (((((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) < (var_1_9)) ? ((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) : (var_1_9))))) : 1)) && (((- var_1_24) == (var_1_24 + var_1_24)) ? (var_1_15 == ((unsigned char) var_1_12)) : 1)) && ((var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) ? (var_1_10 ? (var_1_19 == ((signed short int) (var_1_3 + ((((var_1_2) < (var_1_23)) ? (var_1_2) : (var_1_23)))))) : (var_1_19 == ((signed short int) (var_1_3 - 8)))) : (var_1_19 == ((signed short int) var_1_2)))) && (var_1_10 ? (var_1_24 == ((float) ((((var_1_25) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_25) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))))) : (var_1_24 == ((float) ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))))))) && ((var_1_24 != var_1_24) ? (var_1_29 == ((unsigned short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 693 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 338 mSDsCounter, 136 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 136 mSolverCounterUnsat, 355 mSDtfsCounter, 161 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 509 GetRequests, 489 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 35 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 864 NumberOfCodeBlocks, 864 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 858 ConstructedInterpolants, 0 QuantifiedInterpolants, 2100 SizeOfPredicates, 2 NumberOfNonLiveVariables, 329 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 5454/5544 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 07:54:55,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85a06854ab21bfb64b565199ec44aac3269496a8708460391fd73b28ec326e68 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:54:57,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:54:57,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-10 07:54:57,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:54:57,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:54:58,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:54:58,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:54:58,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:54:58,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:54:58,012 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:54:58,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:54:58,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:54:58,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:54:58,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:54:58,015 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:54:58,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:54:58,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:54:58,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:54:58,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:54:58,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:54:58,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:54:58,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:54:58,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:54:58,022 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 07:54:58,022 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 07:54:58,023 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:54:58,023 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 07:54:58,023 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:54:58,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:54:58,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:54:58,024 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:54:58,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:54:58,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:54:58,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:54:58,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:54:58,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:54:58,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:54:58,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:54:58,028 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 07:54:58,028 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 07:54:58,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:54:58,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:54:58,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:54:58,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:54:58,029 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85a06854ab21bfb64b565199ec44aac3269496a8708460391fd73b28ec326e68 [2024-11-10 07:54:58,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:54:58,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:54:58,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:54:58,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:54:58,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:54:58,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i [2024-11-10 07:55:00,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:55:00,305 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:55:00,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i [2024-11-10 07:55:00,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c616f6ea/394dee65b0b946cda5cd60b83a4c9a57/FLAG862b96c83 [2024-11-10 07:55:00,339 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c616f6ea/394dee65b0b946cda5cd60b83a4c9a57 [2024-11-10 07:55:00,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:55:00,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:55:00,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:55:00,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:55:00,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:55:00,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794d783d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00, skipping insertion in model container [2024-11-10 07:55:00,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:55:00,599 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i[915,928] [2024-11-10 07:55:00,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:55:00,708 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:55:00,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-19.i[915,928] [2024-11-10 07:55:00,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:55:00,793 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:55:00,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00 WrapperNode [2024-11-10 07:55:00,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:55:00,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:55:00,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:55:00,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:55:00,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,861 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-10 07:55:00,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:55:00,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:55:00,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:55:00,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:55:00,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,887 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,910 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 07:55:00,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,925 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:55:00,945 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:55:00,945 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:55:00,946 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:55:00,947 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (1/1) ... [2024-11-10 07:55:00,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:55:00,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:55:00,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 07:55:00,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 07:55:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:55:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 07:55:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:55:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:55:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:55:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:55:01,130 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:55:01,135 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:55:15,086 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-10 07:55:15,086 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:55:15,105 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:55:15,106 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 07:55:15,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:55:15 BoogieIcfgContainer [2024-11-10 07:55:15,106 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:55:15,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:55:15,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:55:15,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:55:15,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:55:00" (1/3) ... [2024-11-10 07:55:15,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6bf78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:55:15, skipping insertion in model container [2024-11-10 07:55:15,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:00" (2/3) ... [2024-11-10 07:55:15,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6bf78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:55:15, skipping insertion in model container [2024-11-10 07:55:15,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:55:15" (3/3) ... [2024-11-10 07:55:15,118 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-19.i [2024-11-10 07:55:15,133 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:55:15,133 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:55:15,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:55:15,208 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;@347a0c60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:55:15,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:55:15,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 07:55:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 07:55:15,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:55:15,224 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:55:15,225 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:55:15,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:55:15,229 INFO L85 PathProgramCache]: Analyzing trace with hash -53426905, now seen corresponding path program 1 times [2024-11-10 07:55:15,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 07:55:15,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205551939] [2024-11-10 07:55:15,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:55:15,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 07:55:15,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 07:55:15,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 07:55:15,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 07:55:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:55:16,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 07:55:16,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:55:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-10 07:55:16,232 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 07:55:16,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 07:55:16,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205551939] [2024-11-10 07:55:16,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205551939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:55:16,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:55:16,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:55:16,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55283018] [2024-11-10 07:55:16,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:55:16,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:55:16,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 07:55:16,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:55:16,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:55:16,272 INFO L87 Difference]: Start difference. First operand has 68 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 07:55:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:55:16,299 INFO L93 Difference]: Finished difference Result 128 states and 217 transitions. [2024-11-10 07:55:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:55:16,301 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2024-11-10 07:55:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:55:16,307 INFO L225 Difference]: With dead ends: 128 [2024-11-10 07:55:16,307 INFO L226 Difference]: Without dead ends: 63 [2024-11-10 07:55:16,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:55:16,313 INFO L432 NwaCegarLoop]: 93 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, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:55:16,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:55:16,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-10 07:55:16,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-10 07:55:16,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 07:55:16,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2024-11-10 07:55:16,357 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 144 [2024-11-10 07:55:16,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:55:16,358 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2024-11-10 07:55:16,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 07:55:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2024-11-10 07:55:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 07:55:16,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:55:16,361 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:55:16,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-10 07:55:16,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 07:55:16,563 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:55:16,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:55:16,564 INFO L85 PathProgramCache]: Analyzing trace with hash -975523765, now seen corresponding path program 1 times [2024-11-10 07:55:16,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 07:55:16,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341956549] [2024-11-10 07:55:16,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:55:16,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 07:55:16,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 07:55:16,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 07:55:16,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-10 07:55:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:55:17,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 07:55:17,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:55:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 07:55:22,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 07:55:22,529 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 07:55:22,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341956549] [2024-11-10 07:55:22,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341956549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:55:22,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:55:22,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 07:55:22,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534806408] [2024-11-10 07:55:22,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:55:22,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:55:22,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 07:55:22,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:55:22,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:55:22,533 INFO L87 Difference]: Start difference. First operand 63 states and 93 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 07:55:27,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 07:55:31,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 07:55:35,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 07:55:39,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 07:55:43,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 07:55:47,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 07:55:51,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 07:55:51,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:55:51,953 INFO L93 Difference]: Finished difference Result 213 states and 312 transitions. [2024-11-10 07:55:52,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:55:52,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2024-11-10 07:55:52,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:55:52,102 INFO L225 Difference]: With dead ends: 213 [2024-11-10 07:55:52,102 INFO L226 Difference]: Without dead ends: 153 [2024-11-10 07:55:52,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:55:52,104 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 86 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 49 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:55:52,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 293 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 29.3s Time] [2024-11-10 07:55:52,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-10 07:55:52,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 120. [2024-11-10 07:55:52,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 73 states have (on average 1.2465753424657535) internal successors, (91), 73 states have internal predecessors, (91), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 07:55:52,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 179 transitions. [2024-11-10 07:55:52,145 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 179 transitions. Word has length 144 [2024-11-10 07:55:52,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:55:52,146 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 179 transitions. [2024-11-10 07:55:52,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 07:55:52,147 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 179 transitions. [2024-11-10 07:55:52,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 07:55:52,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:55:52,149 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:55:52,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-10 07:55:52,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 07:55:52,352 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:55:52,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:55:52,353 INFO L85 PathProgramCache]: Analyzing trace with hash 532028044, now seen corresponding path program 1 times [2024-11-10 07:55:52,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 07:55:52,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538057812] [2024-11-10 07:55:52,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:55:52,354 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 07:55:52,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 07:55:52,356 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 07:55:52,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-10 07:55:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:55:53,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 07:55:53,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:55:58,279 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 07:55:58,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 07:55:58,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 07:55:58,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538057812] [2024-11-10 07:55:58,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538057812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:55:58,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:55:58,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:55:58,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742410702] [2024-11-10 07:55:58,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:55:58,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 07:55:58,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 07:55:58,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 07:55:58,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:55:58,287 INFO L87 Difference]: Start difference. First operand 120 states and 179 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 07:56:02,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 07:56:07,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 07:56:07,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:56:07,375 INFO L93 Difference]: Finished difference Result 354 states and 531 transitions. [2024-11-10 07:56:07,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 07:56:07,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2024-11-10 07:56:07,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:56:07,548 INFO L225 Difference]: With dead ends: 354 [2024-11-10 07:56:07,549 INFO L226 Difference]: Without dead ends: 237 [2024-11-10 07:56:07,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:56:07,552 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 23 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:56:07,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 175 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2024-11-10 07:56:07,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-10 07:56:07,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2024-11-10 07:56:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 141 states have (on average 1.2269503546099292) internal successors, (173), 141 states have internal predecessors, (173), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-10 07:56:07,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 349 transitions. [2024-11-10 07:56:07,592 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 349 transitions. Word has length 144 [2024-11-10 07:56:07,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:56:07,593 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 349 transitions. [2024-11-10 07:56:07,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 07:56:07,593 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 349 transitions. [2024-11-10 07:56:07,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 07:56:07,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:56:07,596 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:56:07,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-10 07:56:07,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 07:56:07,800 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:56:07,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:56:07,801 INFO L85 PathProgramCache]: Analyzing trace with hash 26469419, now seen corresponding path program 1 times [2024-11-10 07:56:07,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 07:56:07,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734611400] [2024-11-10 07:56:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:56:07,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 07:56:07,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 07:56:07,805 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 07:56:07,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-10 07:56:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:56:08,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 07:56:08,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:56:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 07:56:09,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 07:56:09,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 07:56:09,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734611400] [2024-11-10 07:56:09,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734611400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:56:09,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:56:09,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 07:56:09,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334007744] [2024-11-10 07:56:09,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:56:09,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 07:56:09,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 07:56:09,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 07:56:09,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:56:09,083 INFO L87 Difference]: Start difference. First operand 234 states and 349 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 07:56:13,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 07:56:15,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 07:56:19,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]