./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6ee6223037f12451441c6abce623e42d3e0ce6308f8617e8eb549d5133f47d6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:53:55,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:53:55,096 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 17:53:55,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:53:55,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:53:55,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:53:55,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:53:55,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:53:55,133 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:53:55,133 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:53:55,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:53:55,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:53:55,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:53:55,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:53:55,138 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:53:55,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:53:55,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:53:55,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:53:55,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 17:53:55,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:53:55,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:53:55,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:53:55,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:53:55,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:53:55,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:53:55,143 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:53:55,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:53:55,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:53:55,144 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:53:55,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:53:55,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:53:55,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:53:55,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:53:55,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:53:55,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:53:55,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:53:55,146 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 17:53:55,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 17:53:55,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:53:55,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:53:55,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:53:55,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:53:55,148 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6ee6223037f12451441c6abce623e42d3e0ce6308f8617e8eb549d5133f47d6 [2024-11-16 17:53:55,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:53:55,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:53:55,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:53:55,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:53:55,434 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:53:55,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i [2024-11-16 17:53:56,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:53:57,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:53:57,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i [2024-11-16 17:53:57,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524d5d01f/1fcec2b4f5d142caa3e49696f777c16f/FLAG3abdc0e2d [2024-11-16 17:53:57,098 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524d5d01f/1fcec2b4f5d142caa3e49696f777c16f [2024-11-16 17:53:57,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:53:57,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:53:57,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:53:57,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:53:57,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:53:57,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740b60c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57, skipping insertion in model container [2024-11-16 17:53:57,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:53:57,294 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i[915,928] [2024-11-16 17:53:57,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:53:57,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:53:57,369 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i[915,928] [2024-11-16 17:53:57,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:53:57,411 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:53:57,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57 WrapperNode [2024-11-16 17:53:57,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:53:57,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:53:57,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:53:57,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:53:57,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,473 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-16 17:53:57,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:53:57,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:53:57,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:53:57,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:53:57,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,521 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 17:53:57,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,530 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:53:57,538 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:53:57,538 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:53:57,538 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:53:57,539 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (1/1) ... [2024-11-16 17:53:57,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:53:57,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:53:57,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 17:53:57,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 17:53:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:53:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:53:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:53:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 17:53:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:53:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:53:57,723 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:53:57,725 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:53:58,081 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-16 17:53:58,082 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:53:58,100 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:53:58,100 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:53:58,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:53:58 BoogieIcfgContainer [2024-11-16 17:53:58,101 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:53:58,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:53:58,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:53:58,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:53:58,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:53:57" (1/3) ... [2024-11-16 17:53:58,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb8d599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:53:58, skipping insertion in model container [2024-11-16 17:53:58,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:53:57" (2/3) ... [2024-11-16 17:53:58,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb8d599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:53:58, skipping insertion in model container [2024-11-16 17:53:58,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:53:58" (3/3) ... [2024-11-16 17:53:58,115 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-70.i [2024-11-16 17:53:58,131 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:53:58,132 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:53:58,190 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:53:58,198 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;@8d44c00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:53:58,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:53:58,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 17:53:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 17:53:58,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:53:58,214 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:53:58,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:53:58,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:53:58,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1520094243, now seen corresponding path program 1 times [2024-11-16 17:53:58,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:53:58,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541493068] [2024-11-16 17:53:58,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:53:58,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:53:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:53:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:53:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:53:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:53:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 17:53:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 17:53:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 17:53:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 17:53:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:53:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:53:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:53:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:53:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:53:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 17:53:58,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:53:58,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541493068] [2024-11-16 17:53:58,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541493068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:53:58,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:53:58,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 17:53:58,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506166061] [2024-11-16 17:53:58,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:53:58,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 17:53:58,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:53:58,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 17:53:58,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:53:58,628 INFO L87 Difference]: Start difference. First operand has 53 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 17:53:58,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:53:58,653 INFO L93 Difference]: Finished difference Result 98 states and 158 transitions. [2024-11-16 17:53:58,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 17:53:58,657 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 92 [2024-11-16 17:53:58,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:53:58,667 INFO L225 Difference]: With dead ends: 98 [2024-11-16 17:53:58,667 INFO L226 Difference]: Without dead ends: 48 [2024-11-16 17:53:58,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:53:58,674 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 17:53:58,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:53:58,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-16 17:53:58,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-16 17:53:58,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 17:53:58,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2024-11-16 17:53:58,724 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 92 [2024-11-16 17:53:58,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:53:58,726 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2024-11-16 17:53:58,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 17:53:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-11-16 17:53:58,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 17:53:58,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:53:58,731 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:53:58,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 17:53:58,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:53:58,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:53:58,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1330581920, now seen corresponding path program 1 times [2024-11-16 17:53:58,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:53:58,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856096834] [2024-11-16 17:53:58,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:53:58,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:53:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:53:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:53:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:53:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:53:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 17:53:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 17:53:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 17:53:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 17:53:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:53:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:53:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:53:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:53:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:53:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:53:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 17:53:59,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:53:59,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856096834] [2024-11-16 17:53:59,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856096834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:53:59,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:53:59,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:53:59,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508905100] [2024-11-16 17:53:59,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:53:59,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:53:59,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:53:59,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:53:59,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:53:59,481 INFO L87 Difference]: Start difference. First operand 48 states and 67 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 17:53:59,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:53:59,574 INFO L93 Difference]: Finished difference Result 144 states and 193 transitions. [2024-11-16 17:53:59,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:53:59,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 92 [2024-11-16 17:53:59,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:53:59,577 INFO L225 Difference]: With dead ends: 144 [2024-11-16 17:53:59,577 INFO L226 Difference]: Without dead ends: 99 [2024-11-16 17:53:59,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:53:59,579 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 56 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:53:59,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 184 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:53:59,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-16 17:53:59,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 74. [2024-11-16 17:53:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 56 states have internal predecessors, (70), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 17:53:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2024-11-16 17:53:59,601 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 92 [2024-11-16 17:53:59,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:53:59,602 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-16 17:53:59,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 17:53:59,602 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-16 17:53:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 17:53:59,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:53:59,605 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:53:59,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 17:53:59,605 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:53:59,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:53:59,606 INFO L85 PathProgramCache]: Analyzing trace with hash 443078239, now seen corresponding path program 1 times [2024-11-16 17:53:59,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:53:59,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208589158] [2024-11-16 17:53:59,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:53:59,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:53:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:54:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:54:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:54:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:54:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 17:54:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 17:54:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 17:54:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 17:54:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:54:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:54:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:54:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:54:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:54:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-16 17:54:00,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:54:00,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208589158] [2024-11-16 17:54:00,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208589158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 17:54:00,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79510179] [2024-11-16 17:54:00,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:00,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:54:00,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:54:00,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 17:54:00,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 17:54:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:00,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-16 17:54:00,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:54:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-16 17:54:01,704 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 17:54:01,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79510179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:54:01,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 17:54:01,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 17 [2024-11-16 17:54:01,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145404368] [2024-11-16 17:54:01,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:54:01,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 17:54:01,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:54:01,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 17:54:01,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-16 17:54:01,707 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 10 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 17:54:02,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:54:02,396 INFO L93 Difference]: Finished difference Result 255 states and 344 transitions. [2024-11-16 17:54:02,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 17:54:02,397 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 10 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 92 [2024-11-16 17:54:02,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:54:02,401 INFO L225 Difference]: With dead ends: 255 [2024-11-16 17:54:02,401 INFO L226 Difference]: Without dead ends: 184 [2024-11-16 17:54:02,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=194, Invalid=676, Unknown=0, NotChecked=0, Total=870 [2024-11-16 17:54:02,403 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 240 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 17:54:02,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 313 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 17:54:02,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-16 17:54:02,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 166. [2024-11-16 17:54:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 115 states have (on average 1.208695652173913) internal successors, (139), 117 states have internal predecessors, (139), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-16 17:54:02,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 223 transitions. [2024-11-16 17:54:02,441 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 223 transitions. Word has length 92 [2024-11-16 17:54:02,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:54:02,441 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 223 transitions. [2024-11-16 17:54:02,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 10 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 17:54:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 223 transitions. [2024-11-16 17:54:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 17:54:02,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:54:02,448 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:54:02,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 17:54:02,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:54:02,649 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:54:02,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:54:02,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1364376224, now seen corresponding path program 1 times [2024-11-16 17:54:02,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:54:02,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420761927] [2024-11-16 17:54:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:54:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 17:54:02,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [972478512] [2024-11-16 17:54:02,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:02,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:54:02,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:54:02,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 17:54:02,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 17:54:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 17:54:02,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 17:54:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 17:54:03,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 17:54:03,058 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 17:54:03,059 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 17:54:03,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 17:54:03,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-16 17:54:03,265 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 17:54:03,346 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 17:54:03,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:54:03 BoogieIcfgContainer [2024-11-16 17:54:03,351 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 17:54:03,352 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 17:54:03,352 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 17:54:03,352 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 17:54:03,353 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:53:58" (3/4) ... [2024-11-16 17:54:03,355 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 17:54:03,360 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 17:54:03,361 INFO L158 Benchmark]: Toolchain (without parser) took 6259.28ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 131.0MB in the beginning and 86.7MB in the end (delta: 44.3MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2024-11-16 17:54:03,361 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:54:03,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.32ms. Allocated memory is still 165.7MB. Free memory was 131.0MB in the beginning and 115.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 17:54:03,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.72ms. Allocated memory is still 165.7MB. Free memory was 115.5MB in the beginning and 112.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 17:54:03,361 INFO L158 Benchmark]: Boogie Preprocessor took 62.35ms. Allocated memory is still 165.7MB. Free memory was 112.4MB in the beginning and 107.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 17:54:03,362 INFO L158 Benchmark]: IcfgBuilder took 563.00ms. Allocated memory is still 165.7MB. Free memory was 107.1MB in the beginning and 124.9MB in the end (delta: -17.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 17:54:03,362 INFO L158 Benchmark]: TraceAbstraction took 5247.63ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 123.8MB in the beginning and 86.7MB in the end (delta: 37.1MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2024-11-16 17:54:03,362 INFO L158 Benchmark]: Witness Printer took 7.90ms. Allocated memory is still 199.2MB. Free memory was 86.7MB in the beginning and 86.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:54:03,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.32ms. Allocated memory is still 165.7MB. Free memory was 131.0MB in the beginning and 115.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.72ms. Allocated memory is still 165.7MB. Free memory was 115.5MB in the beginning and 112.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.35ms. Allocated memory is still 165.7MB. Free memory was 112.4MB in the beginning and 107.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 563.00ms. Allocated memory is still 165.7MB. Free memory was 107.1MB in the beginning and 124.9MB in the end (delta: -17.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5247.63ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 123.8MB in the beginning and 86.7MB in the end (delta: 37.1MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. * Witness Printer took 7.90ms. Allocated memory is still 199.2MB. Free memory was 86.7MB in the beginning and 86.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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 someBinaryDOUBLEComparisonOperation at line 109. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.05; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 49.5; [L25] double var_1_8 = 16.75; [L26] unsigned short int var_1_9 = 1; [L27] unsigned long int var_1_11 = 8; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 1; [L30] unsigned char var_1_14 = 32; [L31] unsigned char var_1_15 = 50; [L32] unsigned char var_1_16 = 8; [L33] unsigned char var_1_17 = 32; [L34] unsigned long int var_1_18 = 2; [L35] unsigned long int var_1_19 = 3876014737; [L36] unsigned char var_1_20 = 0; [L37] double last_1_var_1_1 = 5.05; [L38] unsigned short int last_1_var_1_9 = 1; [L39] unsigned long int last_1_var_1_11 = 8; [L40] unsigned char last_1_var_1_14 = 32; [L41] unsigned char last_1_var_1_20 = 0; VAL [isInitial=0, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] CALL updateLastVariables() [L102] last_1_var_1_1 = var_1_1 [L103] last_1_var_1_9 = var_1_9 [L104] last_1_var_1_11 = var_1_11 [L105] last_1_var_1_14 = var_1_14 [L106] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L116] RET updateLastVariables() [L117] CALL updateVariables() [L79] var_1_6 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L80] RET assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L81] var_1_7 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_8=67/4, var_1_9=1] [L82] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_8=67/4, var_1_9=1] [L83] var_1_8 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L84] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L85] var_1_13 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L86] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L88] var_1_15 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L89] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L91] var_1_16 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L92] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L94] var_1_17 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L95] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L96] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L96] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L97] var_1_19 = __VERIFIER_nondet_ulong() [L98] CALL assume_abort_if_not(var_1_19 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=11811160062, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=11811160062, var_1_1=101/20, var_1_20=0, var_1_9=1] [L98] RET assume_abort_if_not(var_1_19 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=11811160062, var_1_1=101/20, var_1_20=0, var_1_9=1] [L99] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=11811160062, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=11811160062, var_1_1=101/20, var_1_20=0, var_1_9=1] [L99] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=11811160062, var_1_1=101/20, var_1_20=0, var_1_9=1] [L117] RET updateVariables() [L118] CALL step() [L45] COND TRUE \read(var_1_13) [L46] var_1_18 = ((var_1_19 - last_1_var_1_9) - last_1_var_1_11) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=101/20, var_1_20=0, var_1_9=1] [L50] COND FALSE !(var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=101/20, var_1_20=0, var_1_9=1] [L59] COND TRUE (8 - 64) <= (var_1_9 - var_1_9) [L60] var_1_14 = (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=101/20, var_1_20=0, var_1_9=1] [L64] signed long int stepLocal_0 = - ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))); VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=101/20, var_1_20=0, var_1_9=1] [L65] COND FALSE !(var_1_18 >= stepLocal_0) [L68] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=2, var_1_20=0, var_1_7=2, var_1_9=1] [L70] COND TRUE (var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14))) [L71] var_1_20 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] [L73] COND TRUE \read(var_1_20) [L74] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] [L76] var_1_11 = (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u)) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] [L118] RET step() [L119] CALL, EXPR property() [L109-L110] return (((((((var_1_18 >= (- ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))))) ? (var_1_1 == ((double) (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8))) : (var_1_1 == ((double) var_1_7))) && ((var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) ? ((! ((last_1_var_1_1 == var_1_7) && (last_1_var_1_20 || last_1_var_1_20))) ? ((! (var_1_6 <= var_1_7)) ? (var_1_9 == ((unsigned short int) ((((last_1_var_1_14) < (last_1_var_1_14)) ? (last_1_var_1_14) : (last_1_var_1_14))))) : 1) : (var_1_9 == ((unsigned short int) last_1_var_1_14))) : 1)) && (var_1_11 == ((unsigned long int) (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u))))) && (var_1_20 ? (var_1_12 == ((unsigned char) var_1_13)) : 1)) && (((8 - 64) <= (var_1_9 - var_1_9)) ? (var_1_14 == ((unsigned char) (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_17)))) && (var_1_13 ? (var_1_18 == ((unsigned long int) ((var_1_19 - last_1_var_1_9) - last_1_var_1_11))) : (var_1_18 == ((unsigned long int) (((((var_1_19 - var_1_17)) > (var_1_15)) ? ((var_1_19 - var_1_17)) : (var_1_15))))))) && (((var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) ? (var_1_20 == ((unsigned char) var_1_13)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=11811160053, var_1_19=11811160062, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 4, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 296 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296 mSDsluCounter, 564 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 333 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 330 IncrementalHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 231 mSDtfsCounter, 330 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=3, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 43 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 552 NumberOfCodeBlocks, 552 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 1638 SizeOfPredicates, 6 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1245/1248 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 17:54:03,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6ee6223037f12451441c6abce623e42d3e0ce6308f8617e8eb549d5133f47d6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:54:05,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:54:05,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 17:54:05,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:54:05,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:54:05,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:54:05,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:54:05,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:54:05,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:54:05,638 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:54:05,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:54:05,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:54:05,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:54:05,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:54:05,640 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:54:05,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:54:05,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:54:05,641 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:54:05,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:54:05,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:54:05,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:54:05,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:54:05,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:54:05,646 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 17:54:05,646 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 17:54:05,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:54:05,646 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 17:54:05,647 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:54:05,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:54:05,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:54:05,647 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:54:05,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:54:05,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:54:05,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:54:05,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:54:05,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:54:05,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:54:05,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:54:05,649 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 17:54:05,649 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 17:54:05,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:54:05,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:54:05,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:54:05,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:54:05,652 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6ee6223037f12451441c6abce623e42d3e0ce6308f8617e8eb549d5133f47d6 [2024-11-16 17:54:05,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:54:06,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:54:06,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:54:06,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:54:06,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:54:06,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i [2024-11-16 17:54:07,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:54:07,860 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:54:07,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i [2024-11-16 17:54:07,873 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b80de6ff7/d4d54593eba4480f9e31817fa65b5750/FLAG6223717fb [2024-11-16 17:54:07,889 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b80de6ff7/d4d54593eba4480f9e31817fa65b5750 [2024-11-16 17:54:07,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:54:07,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:54:07,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:54:07,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:54:07,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:54:07,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:54:07" (1/1) ... [2024-11-16 17:54:07,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6591af91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:07, skipping insertion in model container [2024-11-16 17:54:07,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:54:07" (1/1) ... [2024-11-16 17:54:07,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:54:08,106 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i[915,928] [2024-11-16 17:54:08,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:54:08,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:54:08,204 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-70.i[915,928] [2024-11-16 17:54:08,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:54:08,258 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:54:08,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08 WrapperNode [2024-11-16 17:54:08,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:54:08,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:54:08,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:54:08,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:54:08,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,313 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-16 17:54:08,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:54:08,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:54:08,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:54:08,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:54:08,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,338 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,359 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 17:54:08,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:54:08,392 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:54:08,392 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:54:08,393 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:54:08,393 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (1/1) ... [2024-11-16 17:54:08,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:54:08,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:54:08,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 17:54:08,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 17:54:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:54:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 17:54:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:54:08,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:54:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:54:08,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:54:08,546 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:54:08,548 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:54:11,779 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-16 17:54:11,780 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:54:11,795 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:54:11,795 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:54:11,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:54:11 BoogieIcfgContainer [2024-11-16 17:54:11,796 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:54:11,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:54:11,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:54:11,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:54:11,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:54:07" (1/3) ... [2024-11-16 17:54:11,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117f1f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:54:11, skipping insertion in model container [2024-11-16 17:54:11,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:08" (2/3) ... [2024-11-16 17:54:11,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117f1f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:54:11, skipping insertion in model container [2024-11-16 17:54:11,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:54:11" (3/3) ... [2024-11-16 17:54:11,811 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-70.i [2024-11-16 17:54:11,828 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:54:11,828 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:54:11,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:54:11,911 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;@75579c18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:54:11,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:54:11,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 17:54:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 17:54:11,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:54:11,927 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:54:11,928 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:54:11,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:54:11,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1520094243, now seen corresponding path program 1 times [2024-11-16 17:54:11,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:54:11,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674890197] [2024-11-16 17:54:11,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:11,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:54:11,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:54:11,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 17:54:11,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 17:54:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:12,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 17:54:12,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:54:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-16 17:54:12,328 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 17:54:12,328 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:54:12,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674890197] [2024-11-16 17:54:12,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674890197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:54:12,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:54:12,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 17:54:12,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487404756] [2024-11-16 17:54:12,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:54:12,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 17:54:12,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 17:54:12,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 17:54:12,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:54:12,363 INFO L87 Difference]: Start difference. First operand has 53 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 17:54:12,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:54:12,393 INFO L93 Difference]: Finished difference Result 98 states and 158 transitions. [2024-11-16 17:54:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 17:54:12,396 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 92 [2024-11-16 17:54:12,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:54:12,403 INFO L225 Difference]: With dead ends: 98 [2024-11-16 17:54:12,404 INFO L226 Difference]: Without dead ends: 48 [2024-11-16 17:54:12,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:54:12,412 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 17:54:12,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:54:12,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-16 17:54:12,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-16 17:54:12,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 17:54:12,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2024-11-16 17:54:12,462 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 92 [2024-11-16 17:54:12,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:54:12,463 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2024-11-16 17:54:12,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 17:54:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-11-16 17:54:12,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 17:54:12,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:54:12,468 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:54:12,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-16 17:54:12,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:54:12,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:54:12,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:54:12,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1330581920, now seen corresponding path program 1 times [2024-11-16 17:54:12,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:54:12,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403229193] [2024-11-16 17:54:12,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:12,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:54:12,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:54:12,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 17:54:12,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 17:54:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:12,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-16 17:54:13,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:54:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-16 17:54:15,119 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:54:19,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:54:19,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403229193] [2024-11-16 17:54:19,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403229193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 17:54:19,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [78127265] [2024-11-16 17:54:19,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:19,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-16 17:54:19,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-16 17:54:19,617 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-16 17:54:19,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-16 17:54:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:19,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 17:54:19,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:54:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 17:54:20,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 17:54:20,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [78127265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:54:20,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 17:54:20,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-16 17:54:20,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242937526] [2024-11-16 17:54:20,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:54:20,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:54:20,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 17:54:20,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:54:20,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-16 17:54:20,194 INFO L87 Difference]: Start difference. First operand 48 states and 67 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 17:54:23,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 17:54:23,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:54:23,476 INFO L93 Difference]: Finished difference Result 196 states and 269 transitions. [2024-11-16 17:54:23,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 17:54:23,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 92 [2024-11-16 17:54:23,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:54:23,479 INFO L225 Difference]: With dead ends: 196 [2024-11-16 17:54:23,480 INFO L226 Difference]: Without dead ends: 151 [2024-11-16 17:54:23,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-16 17:54:23,484 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 133 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-16 17:54:23,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 280 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-16 17:54:23,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-16 17:54:23,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140. [2024-11-16 17:54:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 105 states have internal predecessors, (131), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-16 17:54:23,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 195 transitions. [2024-11-16 17:54:23,526 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 195 transitions. Word has length 92 [2024-11-16 17:54:23,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:54:23,527 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 195 transitions. [2024-11-16 17:54:23,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 17:54:23,527 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 195 transitions. [2024-11-16 17:54:23,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 17:54:23,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:54:23,537 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:54:23,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-16 17:54:23,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-16 17:54:23,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:54:23,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:54:23,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:54:23,940 INFO L85 PathProgramCache]: Analyzing trace with hash 443078239, now seen corresponding path program 1 times [2024-11-16 17:54:23,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:54:23,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139411] [2024-11-16 17:54:23,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:23,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:54:23,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:54:23,944 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 17:54:23,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-16 17:54:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:24,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-16 17:54:24,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:54:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-16 17:54:26,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:54:31,295 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_19~0 (_ BitVec 32))) (or (not (bvuge (bvadd (bvneg ((_ zero_extend 16) c_~last_1_var_1_9~0)) ~var_1_19~0 (bvneg c_~last_1_var_1_11~0)) (bvneg ((_ zero_extend 16) c_~var_1_9~0)))) (not (bvsge ((_ zero_extend 32) ~var_1_19~0) (_ bv3221225470 64))))) is different from false [2024-11-16 17:54:31,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:54:31,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139411] [2024-11-16 17:54:31,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1139411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 17:54:31,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [940951811] [2024-11-16 17:54:31,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:31,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-16 17:54:31,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-16 17:54:31,307 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-16 17:54:31,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-16 17:54:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:31,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 17:54:31,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:54:33,873 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-16 17:54:33,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:54:34,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [940951811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 17:54:34,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-16 17:54:34,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2024-11-16 17:54:34,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641939862] [2024-11-16 17:54:34,014 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-16 17:54:34,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 17:54:34,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 17:54:34,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 17:54:34,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=106, Unknown=1, NotChecked=20, Total=156 [2024-11-16 17:54:34,016 INFO L87 Difference]: Start difference. First operand 140 states and 195 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 17:54:37,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 17:54:40,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 17:54:41,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:54:41,208 INFO L93 Difference]: Finished difference Result 390 states and 535 transitions. [2024-11-16 17:54:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 17:54:41,209 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 92 [2024-11-16 17:54:41,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:54:41,213 INFO L225 Difference]: With dead ends: 390 [2024-11-16 17:54:41,213 INFO L226 Difference]: Without dead ends: 253 [2024-11-16 17:54:41,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=118, Invalid=347, Unknown=1, NotChecked=40, Total=506 [2024-11-16 17:54:41,218 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 187 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-16 17:54:41,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 303 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-16 17:54:41,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-16 17:54:41,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 228. [2024-11-16 17:54:41,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 160 states have (on average 1.23125) internal successors, (197), 163 states have internal predecessors, (197), 58 states have call successors, (58), 9 states have call predecessors, (58), 9 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-16 17:54:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 313 transitions. [2024-11-16 17:54:41,264 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 313 transitions. Word has length 92 [2024-11-16 17:54:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:54:41,265 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 313 transitions. [2024-11-16 17:54:41,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 17:54:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 313 transitions. [2024-11-16 17:54:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 17:54:41,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:54:41,269 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:54:41,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-16 17:54:41,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-16 17:54:41,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-16 17:54:41,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:54:41,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:54:41,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1364376224, now seen corresponding path program 1 times [2024-11-16 17:54:41,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:54:41,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345204582] [2024-11-16 17:54:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:41,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:54:41,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:54:41,672 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 17:54:41,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-16 17:54:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:41,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-16 17:54:41,988 INFO L278 TraceCheckSpWp]: Computing forward predicates...