./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-37.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-37.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 e29720dc3f9c6e31761795f6e0062a5380794db3b55974f7cf0f69b8b55bbccf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 11:48:03,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 11:48:03,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 11:48:03,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 11:48:03,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 11:48:03,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 11:48:03,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 11:48:03,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 11:48:03,573 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 11:48:03,573 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 11:48:03,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 11:48:03,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 11:48:03,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 11:48:03,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 11:48:03,577 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 11:48:03,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 11:48:03,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 11:48:03,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 11:48:03,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 11:48:03,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 11:48:03,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 11:48:03,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 11:48:03,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 11:48:03,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 11:48:03,582 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 11:48:03,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 11:48:03,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 11:48:03,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 11:48:03,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 11:48:03,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 11:48:03,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 11:48:03,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 11:48:03,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:48:03,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 11:48:03,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 11:48:03,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 11:48:03,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 11:48:03,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 11:48:03,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 11:48:03,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 11:48:03,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 11:48:03,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 11:48:03,585 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e29720dc3f9c6e31761795f6e0062a5380794db3b55974f7cf0f69b8b55bbccf [2024-10-11 11:48:03,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 11:48:03,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 11:48:03,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 11:48:03,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 11:48:03,826 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 11:48:03,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-37.i [2024-10-11 11:48:05,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 11:48:05,206 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 11:48:05,207 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-37.i [2024-10-11 11:48:05,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5d796a669/8fb2e16632804309a2b4d56b661379b3/FLAG303905d64 [2024-10-11 11:48:05,613 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5d796a669/8fb2e16632804309a2b4d56b661379b3 [2024-10-11 11:48:05,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 11:48:05,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 11:48:05,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 11:48:05,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 11:48:05,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 11:48:05,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b43ea5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05, skipping insertion in model container [2024-10-11 11:48:05,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 11:48:05,799 WARN L248 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_50-1loop_file-37.i[915,928] [2024-10-11 11:48:05,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:48:05,856 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 11:48:05,865 WARN L248 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_50-1loop_file-37.i[915,928] [2024-10-11 11:48:05,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:48:05,905 INFO L204 MainTranslator]: Completed translation [2024-10-11 11:48:05,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05 WrapperNode [2024-10-11 11:48:05,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 11:48:05,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 11:48:05,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 11:48:05,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 11:48:05,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,954 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-10-11 11:48:05,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 11:48:05,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 11:48:05,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 11:48:05,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 11:48:05,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,984 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]. [2024-10-11 11:48:05,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:05,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:06,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 11:48:06,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 11:48:06,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 11:48:06,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 11:48:06,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (1/1) ... [2024-10-11 11:48:06,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:48:06,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:48:06,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 11:48:06,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 11:48:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 11:48:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 11:48:06,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 11:48:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 11:48:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 11:48:06,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 11:48:06,144 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 11:48:06,146 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 11:48:06,428 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-11 11:48:06,428 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 11:48:06,457 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 11:48:06,457 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 11:48:06,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:48:06 BoogieIcfgContainer [2024-10-11 11:48:06,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 11:48:06,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 11:48:06,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 11:48:06,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 11:48:06,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:48:05" (1/3) ... [2024-10-11 11:48:06,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aec8962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:48:06, skipping insertion in model container [2024-10-11 11:48:06,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:05" (2/3) ... [2024-10-11 11:48:06,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aec8962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:48:06, skipping insertion in model container [2024-10-11 11:48:06,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:48:06" (3/3) ... [2024-10-11 11:48:06,467 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-37.i [2024-10-11 11:48:06,478 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 11:48:06,478 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 11:48:06,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 11:48:06,531 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;@267d9542, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 11:48:06,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 11:48:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 11:48:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-11 11:48:06,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:48:06,547 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:48:06,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:48:06,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:48:06,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1175905572, now seen corresponding path program 1 times [2024-10-11 11:48:06,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:48:06,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426713131] [2024-10-11 11:48:06,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:48:06,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:48:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:48:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:48:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:48:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:48:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:48:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:48:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 11:48:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:48:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:48:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:48:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:48:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:48:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:48:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:48:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:48:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 11:48:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:48:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:48:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 11:48:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:48:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:06,890 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 11:48:06,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:48:06,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426713131] [2024-10-11 11:48:06,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426713131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:48:06,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:48:06,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 11:48:06,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217477267] [2024-10-11 11:48:06,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:48:06,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 11:48:06,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:48:06,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 11:48:06,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 11:48:06,918 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 11:48:06,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:48:06,958 INFO L93 Difference]: Finished difference Result 113 states and 197 transitions. [2024-10-11 11:48:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 11:48:06,961 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-10-11 11:48:06,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:48:06,968 INFO L225 Difference]: With dead ends: 113 [2024-10-11 11:48:06,969 INFO L226 Difference]: Without dead ends: 55 [2024-10-11 11:48:06,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 11:48:06,975 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 11:48:06,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 11:48:06,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-11 11:48:07,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-11 11:48:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 11:48:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 83 transitions. [2024-10-11 11:48:07,012 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 83 transitions. Word has length 125 [2024-10-11 11:48:07,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:48:07,012 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 83 transitions. [2024-10-11 11:48:07,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 11:48:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2024-10-11 11:48:07,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-11 11:48:07,015 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:48:07,015 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:48:07,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 11:48:07,015 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:48:07,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:48:07,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1698036248, now seen corresponding path program 1 times [2024-10-11 11:48:07,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:48:07,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240300062] [2024-10-11 11:48:07,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:48:07,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:48:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 11:48:07,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1933803465] [2024-10-11 11:48:07,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:48:07,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:48:07,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:48:07,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 11:48:07,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 11:48:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 11:48:07,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 11:48:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 11:48:07,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 11:48:07,458 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 11:48:07,462 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 11:48:07,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 11:48:07,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:48:07,667 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 11:48:07,740 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 11:48:07,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:48:07 BoogieIcfgContainer [2024-10-11 11:48:07,743 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 11:48:07,744 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 11:48:07,744 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 11:48:07,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 11:48:07,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:48:06" (3/4) ... [2024-10-11 11:48:07,746 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 11:48:07,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 11:48:07,747 INFO L158 Benchmark]: Toolchain (without parser) took 2129.30ms. Allocated memory is still 155.2MB. Free memory was 121.3MB in the beginning and 100.0MB in the end (delta: 21.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-10-11 11:48:07,747 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 11:48:07,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.56ms. Allocated memory is still 155.2MB. Free memory was 120.3MB in the beginning and 105.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 11:48:07,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.75ms. Allocated memory is still 155.2MB. Free memory was 104.5MB in the beginning and 101.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 11:48:07,748 INFO L158 Benchmark]: Boogie Preprocessor took 51.07ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 96.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 11:48:07,749 INFO L158 Benchmark]: RCFGBuilder took 450.68ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 109.6MB in the end (delta: -13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 11:48:07,749 INFO L158 Benchmark]: TraceAbstraction took 1284.91ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 100.0MB in the end (delta: 8.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-10-11 11:48:07,749 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 155.2MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 11:48:07,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.56ms. Allocated memory is still 155.2MB. Free memory was 120.3MB in the beginning and 105.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.75ms. Allocated memory is still 155.2MB. Free memory was 104.5MB in the beginning and 101.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.07ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 96.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 450.68ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 109.6MB in the end (delta: -13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1284.91ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 100.0MB in the end (delta: 8.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 155.2MB. Free memory is still 100.0MB. 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 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 130. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 256; [L23] unsigned short int var_1_2 = 51640; [L24] unsigned short int var_1_3 = 5; [L25] float var_1_7 = 128.8; [L26] unsigned char var_1_8 = 2; [L27] float var_1_9 = 256.5; [L28] float var_1_10 = 7.25; [L29] signed char var_1_11 = 64; [L30] signed char var_1_12 = -16; [L31] double var_1_13 = 0.9; [L32] unsigned char var_1_14 = 1; [L33] double var_1_15 = 0.0; [L34] double var_1_16 = 1.275; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 35331; [L37] signed char var_1_19 = -128; [L38] double var_1_20 = 0.0; [L39] double var_1_21 = 0.0; [L40] signed char var_1_22 = -8; [L41] float last_1_var_1_10 = 7.25; [L42] double last_1_var_1_13 = 0.9; [L43] unsigned short int last_1_var_1_17 = 8; [L44] signed char last_1_var_1_19 = -128; [L134] isInitial = 1 [L135] FCALL initially() [L136] int k_loop; [L137] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=51640, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L137] COND TRUE k_loop < 1 [L138] CALL updateLastVariables() [L124] last_1_var_1_10 = var_1_10 [L125] last_1_var_1_13 = var_1_13 [L126] last_1_var_1_17 = var_1_17 [L127] last_1_var_1_19 = var_1_19 [L138] RET updateLastVariables() [L139] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L91] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L92] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L92] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L93] var_1_3 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L94] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L95] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L95] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L96] var_1_8 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_9=513/2] [L97] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_9=513/2] [L98] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_9=513/2] [L98] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_9=513/2] [L99] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3, var_1_9=513/2] [L99] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3, var_1_9=513/2] [L100] var_1_9 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L101] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L102] var_1_12 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L103] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L104] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L104] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L105] var_1_14 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L106] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L107] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L107] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L108] var_1_15 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L109] RET assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L110] var_1_16 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L111] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L112] var_1_18 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_18 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L113] RET assume_abort_if_not(var_1_18 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L114] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L114] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L115] var_1_20 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L116] RET assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L117] var_1_21 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && 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_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L118] RET assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && 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_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L119] var_1_22 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_22 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L120] RET assume_abort_if_not(var_1_22 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L121] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L121] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L139] RET updateVariables() [L140] CALL step() [L48] signed long int stepLocal_2 = var_1_3 + last_1_var_1_19; VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-125, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L49] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-125, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=-128, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L60] COND TRUE var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16)) [L61] var_1_19 = ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-125, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-65601, var_1_19=100, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L65] var_1_17 = (var_1_18 - var_1_3) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-125, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=65468, var_1_18=-65601, var_1_19=100, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3] [L66] COND TRUE (var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10) [L67] var_1_10 = var_1_9 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-125, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=65468, var_1_18=-65601, var_1_19=100, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3, var_1_9=2] [L69] COND FALSE !(var_1_10 >= var_1_10) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-125, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=65468, var_1_18=-65601, var_1_19=100, var_1_1=256, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3, var_1_9=2] [L74] COND TRUE (var_1_2 - var_1_3) > var_1_17 [L75] var_1_1 = (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-125, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=65468, var_1_18=-65601, var_1_19=100, var_1_1=67, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3, var_1_9=2] [L79] signed long int stepLocal_1 = var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))); [L80] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=-65533, stepLocal_1=33, stepLocal_2=-125, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=65468, var_1_18=-65601, var_1_19=100, var_1_1=67, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3, var_1_9=2] [L81] COND FALSE !((var_1_19 / var_1_8) < stepLocal_1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=-65533, stepLocal_2=-125, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=65468, var_1_18=-65601, var_1_19=100, var_1_1=67, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3, var_1_9=2] [L140] RET step() [L141] CALL, EXPR property() [L130-L131] return ((((((((var_1_2 - var_1_3) > var_1_17) ? (var_1_1 == ((signed long int) (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))))) : (var_1_1 == ((signed long int) 0))) && (((var_1_19 / var_1_8) < (var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))))) ? ((var_1_1 >= var_1_3) ? (var_1_7 == ((float) 0.75f)) : (var_1_7 == ((float) var_1_9))) : 1)) && (((var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10)) ? (var_1_10 == ((float) var_1_9)) : 1)) && ((var_1_10 >= var_1_10) ? ((var_1_9 < var_1_10) ? (var_1_11 == ((signed char) var_1_12)) : 1) : 1)) && (var_1_14 ? ((last_1_var_1_13 <= var_1_9) ? (var_1_13 == ((double) var_1_9)) : ((((((last_1_var_1_17) < ((var_1_2 * last_1_var_1_17))) ? (last_1_var_1_17) : ((var_1_2 * last_1_var_1_17)))) == (var_1_3 + last_1_var_1_19)) ? (var_1_13 == ((double) 8.75)) : (var_1_13 == ((double) (16.5 + ((var_1_15 - 49.35) - var_1_16)))))) : 1)) && (var_1_17 == ((unsigned short int) (var_1_18 - var_1_3)))) && ((var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16))) ? (var_1_19 == ((signed char) ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))))) : (var_1_19 == ((signed char) var_1_12))) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=65468, var_1_18=-65601, var_1_19=100, var_1_1=67, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=65468, var_1_18=-65601, var_1_19=100, var_1_1=67, var_1_22=100, var_1_2=65472, var_1_3=-65533, var_1_7=644/5, var_1_8=3, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 80 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 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 [2024-10-11 11:48:07,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-37.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 e29720dc3f9c6e31761795f6e0062a5380794db3b55974f7cf0f69b8b55bbccf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 11:48:09,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 11:48:09,705 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 11:48:09,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 11:48:09,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 11:48:09,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 11:48:09,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 11:48:09,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 11:48:09,732 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 11:48:09,732 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 11:48:09,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 11:48:09,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 11:48:09,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 11:48:09,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 11:48:09,735 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 11:48:09,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 11:48:09,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 11:48:09,736 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 11:48:09,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 11:48:09,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 11:48:09,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 11:48:09,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 11:48:09,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 11:48:09,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 11:48:09,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 11:48:09,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 11:48:09,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 11:48:09,738 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 11:48:09,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 11:48:09,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 11:48:09,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 11:48:09,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 11:48:09,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 11:48:09,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 11:48:09,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:48:09,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 11:48:09,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 11:48:09,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 11:48:09,743 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 11:48:09,743 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 11:48:09,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 11:48:09,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 11:48:09,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 11:48:09,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 11:48:09,745 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 11:48:09,745 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e29720dc3f9c6e31761795f6e0062a5380794db3b55974f7cf0f69b8b55bbccf [2024-10-11 11:48:09,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 11:48:09,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 11:48:10,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 11:48:10,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 11:48:10,003 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 11:48:10,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-37.i [2024-10-11 11:48:11,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 11:48:11,532 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 11:48:11,536 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-37.i [2024-10-11 11:48:11,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/693889748/ced220cca36942e58e8d0e6db72cb1fb/FLAG47957cbb9 [2024-10-11 11:48:11,923 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/693889748/ced220cca36942e58e8d0e6db72cb1fb [2024-10-11 11:48:11,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 11:48:11,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 11:48:11,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 11:48:11,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 11:48:11,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 11:48:11,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:48:11" (1/1) ... [2024-10-11 11:48:11,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125a5be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:11, skipping insertion in model container [2024-10-11 11:48:11,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:48:11" (1/1) ... [2024-10-11 11:48:11,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 11:48:12,077 WARN L248 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_50-1loop_file-37.i[915,928] [2024-10-11 11:48:12,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:48:12,162 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 11:48:12,173 WARN L248 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_50-1loop_file-37.i[915,928] [2024-10-11 11:48:12,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:48:12,216 INFO L204 MainTranslator]: Completed translation [2024-10-11 11:48:12,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12 WrapperNode [2024-10-11 11:48:12,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 11:48:12,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 11:48:12,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 11:48:12,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 11:48:12,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,275 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-10-11 11:48:12,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 11:48:12,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 11:48:12,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 11:48:12,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 11:48:12,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,313 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]. [2024-10-11 11:48:12,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 11:48:12,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 11:48:12,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 11:48:12,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 11:48:12,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (1/1) ... [2024-10-11 11:48:12,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:48:12,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:48:12,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 11:48:12,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 11:48:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 11:48:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 11:48:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 11:48:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 11:48:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 11:48:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 11:48:12,475 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 11:48:12,477 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 11:48:22,902 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-11 11:48:22,902 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 11:48:22,941 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 11:48:22,941 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 11:48:22,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:48:22 BoogieIcfgContainer [2024-10-11 11:48:22,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 11:48:22,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 11:48:22,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 11:48:22,946 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 11:48:22,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:48:11" (1/3) ... [2024-10-11 11:48:22,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f56c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:48:22, skipping insertion in model container [2024-10-11 11:48:22,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:48:12" (2/3) ... [2024-10-11 11:48:22,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f56c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:48:22, skipping insertion in model container [2024-10-11 11:48:22,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:48:22" (3/3) ... [2024-10-11 11:48:22,948 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-37.i [2024-10-11 11:48:22,961 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 11:48:22,962 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 11:48:23,015 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 11:48:23,020 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;@350d76a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 11:48:23,021 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 11:48:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 11:48:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-11 11:48:23,032 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:48:23,033 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:48:23,033 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:48:23,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:48:23,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1175905572, now seen corresponding path program 1 times [2024-10-11 11:48:23,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 11:48:23,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256623261] [2024-10-11 11:48:23,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:48:23,050 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 [2024-10-11 11:48:23,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 11:48:23,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 11:48:23,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 11:48:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:23,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 11:48:23,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:48:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-10-11 11:48:23,622 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 11:48:23,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 11:48:23,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256623261] [2024-10-11 11:48:23,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256623261] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:48:23,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:48:23,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 11:48:23,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286802941] [2024-10-11 11:48:23,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:48:23,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 11:48:23,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 11:48:23,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 11:48:23,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 11:48:23,671 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 11:48:27,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 11:48:27,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:48:27,924 INFO L93 Difference]: Finished difference Result 113 states and 197 transitions. [2024-10-11 11:48:27,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 11:48:27,927 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-10-11 11:48:27,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:48:27,932 INFO L225 Difference]: With dead ends: 113 [2024-10-11 11:48:27,933 INFO L226 Difference]: Without dead ends: 55 [2024-10-11 11:48:27,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 11:48:27,937 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-11 11:48:27,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-10-11 11:48:27,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-11 11:48:27,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-11 11:48:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 11:48:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 83 transitions. [2024-10-11 11:48:27,967 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 83 transitions. Word has length 125 [2024-10-11 11:48:27,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:48:27,968 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 83 transitions. [2024-10-11 11:48:27,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 11:48:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2024-10-11 11:48:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-11 11:48:27,970 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:48:27,970 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:48:27,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 11:48:28,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 11:48:28,171 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:48:28,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:48:28,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1698036248, now seen corresponding path program 1 times [2024-10-11 11:48:28,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 11:48:28,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922943707] [2024-10-11 11:48:28,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:48:28,173 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 [2024-10-11 11:48:28,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 11:48:28,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 11:48:28,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 11:48:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:28,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 11:48:28,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:48:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 21 proven. 384 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-10-11 11:48:34,226 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 11:48:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 21 proven. 36 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-10-11 11:48:35,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 11:48:35,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922943707] [2024-10-11 11:48:35,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922943707] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 11:48:35,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 11:48:35,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-11 11:48:35,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558677533] [2024-10-11 11:48:35,843 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 11:48:35,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 11:48:35,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 11:48:35,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 11:48:35,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-11 11:48:35,847 INFO L87 Difference]: Start difference. First operand 55 states and 83 transitions. Second operand has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-10-11 11:48:41,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 11:48:44,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 11:48:46,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 11:48:51,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 11:48:55,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 11:48:59,187 WARN L539 Checker$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 [] [2024-10-11 11:48:59,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:48:59,255 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2024-10-11 11:48:59,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 11:48:59,257 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 125 [2024-10-11 11:48:59,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:48:59,259 INFO L225 Difference]: With dead ends: 115 [2024-10-11 11:48:59,259 INFO L226 Difference]: Without dead ends: 61 [2024-10-11 11:48:59,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2024-10-11 11:48:59,260 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 146 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 127 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2024-10-11 11:48:59,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 95 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 22.2s Time] [2024-10-11 11:48:59,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-11 11:48:59,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2024-10-11 11:48:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 11:48:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 85 transitions. [2024-10-11 11:48:59,283 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 85 transitions. Word has length 125 [2024-10-11 11:48:59,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:48:59,284 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 85 transitions. [2024-10-11 11:48:59,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-10-11 11:48:59,284 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2024-10-11 11:48:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 11:48:59,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:48:59,287 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:48:59,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-11 11:48:59,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/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 [2024-10-11 11:48:59,488 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:48:59,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:48:59,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1681655043, now seen corresponding path program 1 times [2024-10-11 11:48:59,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 11:48:59,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554437146] [2024-10-11 11:48:59,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:48:59,490 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 [2024-10-11 11:48:59,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 11:48:59,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/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) [2024-10-11 11:48:59,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 11:48:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:48:59,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 11:48:59,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:48:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 11:48:59,979 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 11:48:59,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 11:48:59,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554437146] [2024-10-11 11:48:59,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554437146] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:48:59,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:48:59,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 11:48:59,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263209472] [2024-10-11 11:48:59,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:48:59,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 11:48:59,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 11:48:59,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 11:48:59,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 11:48:59,981 INFO L87 Difference]: Start difference. First operand 59 states and 85 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 11:49:04,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 11:49:04,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:49:04,417 INFO L93 Difference]: Finished difference Result 132 states and 190 transitions. [2024-10-11 11:49:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 11:49:04,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 126 [2024-10-11 11:49:04,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:49:04,419 INFO L225 Difference]: With dead ends: 132 [2024-10-11 11:49:04,419 INFO L226 Difference]: Without dead ends: 74 [2024-10-11 11:49:04,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 11:49:04,421 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 33 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-10-11 11:49:04,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 154 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-10-11 11:49:04,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-11 11:49:04,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2024-10-11 11:49:04,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 43 states have internal predecessors, (50), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 11:49:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 104 transitions. [2024-10-11 11:49:04,435 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 104 transitions. Word has length 126 [2024-10-11 11:49:04,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:49:04,435 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 104 transitions. [2024-10-11 11:49:04,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 11:49:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2024-10-11 11:49:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 11:49:04,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:49:04,437 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:49:04,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 11:49:04,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/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 [2024-10-11 11:49:04,638 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:49:04,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:49:04,638 INFO L85 PathProgramCache]: Analyzing trace with hash 93352319, now seen corresponding path program 1 times [2024-10-11 11:49:04,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 11:49:04,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111140635] [2024-10-11 11:49:04,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:49:04,639 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 [2024-10-11 11:49:04,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 11:49:04,641 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/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) [2024-10-11 11:49:04,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 11:49:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:49:05,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 11:49:05,237 INFO L278 TraceCheckSpWp]: Computing forward predicates...