./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.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_loopvsstraightlinecode_100-1loop_file-68.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 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 16:02:36,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 16:02:36,616 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 16:02:36,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 16:02:36,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 16:02:36,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 16:02:36,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 16:02:36,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 16:02:36,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 16:02:36,670 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 16:02:36,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 16:02:36,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 16:02:36,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 16:02:36,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 16:02:36,674 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 16:02:36,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 16:02:36,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 16:02:36,674 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 16:02:36,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 16:02:36,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 16:02:36,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 16:02:36,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 16:02:36,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 16:02:36,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 16:02:36,677 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 16:02:36,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 16:02:36,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 16:02:36,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 16:02:36,678 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 16:02:36,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 16:02:36,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 16:02:36,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 16:02:36,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:02:36,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 16:02:36,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 16:02:36,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 16:02:36,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 16:02:36,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 16:02:36,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 16:02:36,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 16:02:36,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 16:02:36,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 16:02:36,683 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 [2024-11-16 16:02:36,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 16:02:36,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 16:02:36,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 16:02:36,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 16:02:36,951 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 16:02:36,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-16 16:02:38,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 16:02:38,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 16:02:38,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-16 16:02:38,631 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24cc67f5/38d8c2169e5948098569883a40e7be91/FLAG8cc2c9b8e [2024-11-16 16:02:38,653 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24cc67f5/38d8c2169e5948098569883a40e7be91 [2024-11-16 16:02:38,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 16:02:38,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 16:02:38,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 16:02:38,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 16:02:38,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 16:02:38,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:02:38" (1/1) ... [2024-11-16 16:02:38,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e81f8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:38, skipping insertion in model container [2024-11-16 16:02:38,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:02:38" (1/1) ... [2024-11-16 16:02:38,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 16:02:38,884 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2024-11-16 16:02:39,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:02:39,014 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 16:02:39,024 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2024-11-16 16:02:39,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:02:39,088 INFO L204 MainTranslator]: Completed translation [2024-11-16 16:02:39,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39 WrapperNode [2024-11-16 16:02:39,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 16:02:39,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 16:02:39,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 16:02:39,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 16:02:39,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,176 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 394 [2024-11-16 16:02:39,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 16:02:39,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 16:02:39,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 16:02:39,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 16:02:39,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,201 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,225 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 16:02:39,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,259 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 16:02:39,291 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 16:02:39,292 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 16:02:39,292 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 16:02:39,293 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (1/1) ... [2024-11-16 16:02:39,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:02:39,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:02:39,326 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 16:02:39,333 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 16:02:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 16:02:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 16:02:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 16:02:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 16:02:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 16:02:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 16:02:39,497 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 16:02:39,500 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 16:02:40,186 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L216: havoc property_#t~bitwise33#1;havoc property_#t~short34#1;havoc property_#t~bitwise35#1;havoc property_#t~bitwise36#1;havoc property_#t~short37#1;havoc property_#t~bitwise38#1;havoc property_#t~short39#1;havoc property_#t~bitwise40#1;havoc property_#t~short41#1;havoc property_#t~bitwise42#1;havoc property_#t~bitwise43#1;havoc property_#t~short44#1; [2024-11-16 16:02:40,270 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-16 16:02:40,271 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 16:02:40,308 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 16:02:40,310 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 16:02:40,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:02:40 BoogieIcfgContainer [2024-11-16 16:02:40,310 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 16:02:40,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 16:02:40,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 16:02:40,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 16:02:40,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:02:38" (1/3) ... [2024-11-16 16:02:40,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ded8825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:02:40, skipping insertion in model container [2024-11-16 16:02:40,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:02:39" (2/3) ... [2024-11-16 16:02:40,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ded8825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:02:40, skipping insertion in model container [2024-11-16 16:02:40,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:02:40" (3/3) ... [2024-11-16 16:02:40,321 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-16 16:02:40,337 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 16:02:40,339 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 16:02:40,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 16:02:40,420 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;@2f5f894d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 16:02:40,422 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 16:02:40,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 124 states have internal predecessors, (178), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-16 16:02:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-16 16:02:40,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:02:40,455 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:40,456 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:02:40,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:02:40,463 INFO L85 PathProgramCache]: Analyzing trace with hash -46803731, now seen corresponding path program 1 times [2024-11-16 16:02:40,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:02:40,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179623012] [2024-11-16 16:02:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:40,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:02:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:02:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:02:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:02:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 16:02:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:02:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:02:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:02:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:02:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:02:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:02:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:02:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:02:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 16:02:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:02:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:02:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:02:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:02:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:02:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:02:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:02:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:02:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:02:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:40,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:02:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:02:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:02:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:02:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:02:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:02:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:02:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:02:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:02:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 16:02:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 16:02:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 16:02:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 16:02:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 16:02:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 16:02:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 16:02:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 16:02:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 16:02:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-16 16:02:41,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:02:41,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179623012] [2024-11-16 16:02:41,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179623012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:02:41,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:02:41,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 16:02:41,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637969968] [2024-11-16 16:02:41,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:02:41,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 16:02:41,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:02:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 16:02:41,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:02:41,123 INFO L87 Difference]: Start difference. First operand has 166 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 124 states have internal predecessors, (178), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-16 16:02:41,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:02:41,203 INFO L93 Difference]: Finished difference Result 328 states and 552 transitions. [2024-11-16 16:02:41,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 16:02:41,206 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 271 [2024-11-16 16:02:41,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:02:41,217 INFO L225 Difference]: With dead ends: 328 [2024-11-16 16:02:41,218 INFO L226 Difference]: Without dead ends: 161 [2024-11-16 16:02:41,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 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 16:02:41,227 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:02:41,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 16:02:41,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-16 16:02:41,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-16 16:02:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.4285714285714286) internal successors, (170), 119 states have internal predecessors, (170), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-16 16:02:41,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 250 transitions. [2024-11-16 16:02:41,322 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 250 transitions. Word has length 271 [2024-11-16 16:02:41,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:02:41,322 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 250 transitions. [2024-11-16 16:02:41,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-16 16:02:41,323 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2024-11-16 16:02:41,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-16 16:02:41,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:02:41,328 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:41,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 16:02:41,329 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:02:41,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:02:41,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1068296945, now seen corresponding path program 1 times [2024-11-16 16:02:41,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:02:41,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816673533] [2024-11-16 16:02:41,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:41,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:02:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:02:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:02:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:02:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 16:02:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:02:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:02:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:02:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:02:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:02:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:02:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:02:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:02:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 16:02:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:02:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:02:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:02:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:02:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:02:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:02:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:02:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:02:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:02:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:02:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:02:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:02:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:02:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:02:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:02:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:02:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:02:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:02:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 16:02:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 16:02:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 16:02:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 16:02:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 16:02:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 16:02:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 16:02:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 16:02:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 16:02:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-16 16:02:41,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:02:41,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816673533] [2024-11-16 16:02:41,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816673533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:02:41,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:02:41,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 16:02:41,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020447079] [2024-11-16 16:02:41,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:02:41,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 16:02:41,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:02:41,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 16:02:41,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 16:02:41,967 INFO L87 Difference]: Start difference. First operand 161 states and 250 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-16 16:02:42,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:02:42,055 INFO L93 Difference]: Finished difference Result 319 states and 497 transitions. [2024-11-16 16:02:42,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 16:02:42,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-16 16:02:42,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:02:42,063 INFO L225 Difference]: With dead ends: 319 [2024-11-16 16:02:42,066 INFO L226 Difference]: Without dead ends: 161 [2024-11-16 16:02:42,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 16:02:42,069 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 0 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 16:02:42,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 465 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 16:02:42,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-16 16:02:42,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-16 16:02:42,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.4201680672268908) internal successors, (169), 119 states have internal predecessors, (169), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-16 16:02:42,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 249 transitions. [2024-11-16 16:02:42,099 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 249 transitions. Word has length 271 [2024-11-16 16:02:42,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:02:42,103 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 249 transitions. [2024-11-16 16:02:42,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-16 16:02:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 249 transitions. [2024-11-16 16:02:42,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-16 16:02:42,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:02:42,109 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:42,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 16:02:42,110 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:02:42,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:02:42,110 INFO L85 PathProgramCache]: Analyzing trace with hash -738531184, now seen corresponding path program 1 times [2024-11-16 16:02:42,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:02:42,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278677821] [2024-11-16 16:02:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:42,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:02:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:42,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:02:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:42,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:02:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:42,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:02:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:42,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 16:02:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:02:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:02:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:02:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:02:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:02:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:02:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:02:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:02:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 16:02:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:02:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:02:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:02:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:02:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:02:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:02:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:02:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:02:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:02:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:02:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:02:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:02:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:02:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:02:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:02:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:02:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:02:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:02:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 16:02:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 16:02:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 16:02:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 16:02:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 16:02:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 16:02:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 16:02:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 16:02:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 16:02:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:43,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-16 16:02:43,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:02:43,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278677821] [2024-11-16 16:02:43,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278677821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:02:43,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:02:43,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 16:02:43,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938476503] [2024-11-16 16:02:43,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:02:43,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 16:02:43,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:02:43,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 16:02:43,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-16 16:02:43,183 INFO L87 Difference]: Start difference. First operand 161 states and 249 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-16 16:02:43,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:02:43,778 INFO L93 Difference]: Finished difference Result 394 states and 606 transitions. [2024-11-16 16:02:43,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 16:02:43,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-16 16:02:43,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:02:43,784 INFO L225 Difference]: With dead ends: 394 [2024-11-16 16:02:43,784 INFO L226 Difference]: Without dead ends: 236 [2024-11-16 16:02:43,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-16 16:02:43,789 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 266 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 16:02:43,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 635 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 16:02:43,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-16 16:02:43,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2024-11-16 16:02:43,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 186 states have (on average 1.4193548387096775) internal successors, (264), 187 states have internal predecessors, (264), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-16 16:02:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 350 transitions. [2024-11-16 16:02:43,814 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 350 transitions. Word has length 271 [2024-11-16 16:02:43,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:02:43,815 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 350 transitions. [2024-11-16 16:02:43,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-16 16:02:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 350 transitions. [2024-11-16 16:02:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-16 16:02:43,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:02:43,819 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:43,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 16:02:43,820 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:02:43,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:02:43,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1735603537, now seen corresponding path program 1 times [2024-11-16 16:02:43,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:02:43,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429344596] [2024-11-16 16:02:43,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:43,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:02:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:02:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:02:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:02:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 16:02:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:02:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:02:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:02:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:02:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:02:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:02:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:02:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:02:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 16:02:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:02:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:02:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:02:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:02:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:02:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:02:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:02:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:02:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:02:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:02:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:02:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:02:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:02:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:02:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:02:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:02:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:02:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:02:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 16:02:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 16:02:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 16:02:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 16:02:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 16:02:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 16:02:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 16:02:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 16:02:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 16:02:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-16 16:02:44,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:02:44,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429344596] [2024-11-16 16:02:44,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429344596] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 16:02:44,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581484477] [2024-11-16 16:02:44,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:44,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:02:44,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:02:44,426 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 16:02:44,427 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 16:02:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:44,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-16 16:02:44,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:02:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1509 proven. 72 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2024-11-16 16:02:45,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 16:02:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-16 16:02:45,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581484477] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 16:02:45,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 16:02:45,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 13 [2024-11-16 16:02:45,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096406688] [2024-11-16 16:02:45,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 16:02:45,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 16:02:45,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:02:45,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 16:02:45,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-16 16:02:45,519 INFO L87 Difference]: Start difference. First operand 232 states and 350 transitions. Second operand has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2024-11-16 16:02:46,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:02:46,636 INFO L93 Difference]: Finished difference Result 517 states and 778 transitions. [2024-11-16 16:02:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 16:02:46,637 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) Word has length 271 [2024-11-16 16:02:46,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:02:46,640 INFO L225 Difference]: With dead ends: 517 [2024-11-16 16:02:46,640 INFO L226 Difference]: Without dead ends: 288 [2024-11-16 16:02:46,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2024-11-16 16:02:46,643 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 705 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 16:02:46,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 961 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 16:02:46,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-16 16:02:46,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2024-11-16 16:02:46,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 221 states have (on average 1.3574660633484164) internal successors, (300), 222 states have internal predecessors, (300), 53 states have call successors, (53), 5 states have call predecessors, (53), 5 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 16:02:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 406 transitions. [2024-11-16 16:02:46,672 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 406 transitions. Word has length 271 [2024-11-16 16:02:46,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:02:46,673 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 406 transitions. [2024-11-16 16:02:46,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2024-11-16 16:02:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 406 transitions. [2024-11-16 16:02:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-16 16:02:46,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:02:46,680 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:46,702 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 16:02:46,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:02:46,884 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:02:46,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:02:46,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1300188385, now seen corresponding path program 1 times [2024-11-16 16:02:46,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:02:46,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826308481] [2024-11-16 16:02:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:46,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:02:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:02:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:02:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:02:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 16:02:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:02:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:02:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:02:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:02:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:02:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:02:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:02:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:02:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 16:02:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:02:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:02:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:02:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:02:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:02:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:02:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:02:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:02:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:02:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:02:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:02:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:02:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:02:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:02:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:02:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:02:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:02:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:02:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 16:02:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 16:02:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 16:02:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 16:02:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 16:02:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 16:02:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 16:02:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 16:02:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 16:02:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-16 16:02:47,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:02:47,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826308481] [2024-11-16 16:02:47,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826308481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:02:47,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:02:47,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 16:02:47,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989595149] [2024-11-16 16:02:47,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:02:47,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 16:02:47,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:02:47,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 16:02:47,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 16:02:47,351 INFO L87 Difference]: Start difference. First operand 280 states and 406 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-16 16:02:47,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:02:47,460 INFO L93 Difference]: Finished difference Result 833 states and 1211 transitions. [2024-11-16 16:02:47,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 16:02:47,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 272 [2024-11-16 16:02:47,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:02:47,468 INFO L225 Difference]: With dead ends: 833 [2024-11-16 16:02:47,469 INFO L226 Difference]: Without dead ends: 556 [2024-11-16 16:02:47,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 16:02:47,471 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 157 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 16:02:47,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 517 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 16:02:47,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-16 16:02:47,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 553. [2024-11-16 16:02:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 436 states have (on average 1.353211009174312) internal successors, (590), 438 states have internal predecessors, (590), 106 states have call successors, (106), 10 states have call predecessors, (106), 10 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-16 16:02:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 802 transitions. [2024-11-16 16:02:47,539 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 802 transitions. Word has length 272 [2024-11-16 16:02:47,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:02:47,542 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 802 transitions. [2024-11-16 16:02:47,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-16 16:02:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 802 transitions. [2024-11-16 16:02:47,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-16 16:02:47,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:02:47,546 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:47,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 16:02:47,547 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:02:47,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:02:47,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1089422659, now seen corresponding path program 1 times [2024-11-16 16:02:47,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:02:47,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354980676] [2024-11-16 16:02:47,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:02:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:02:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:02:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:02:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 16:02:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:02:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:02:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:02:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:02:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:02:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:02:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:02:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:02:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 16:02:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:02:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:02:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:02:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:02:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:02:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:02:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:02:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:02:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:02:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:02:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:02:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:02:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:02:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:02:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:02:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:02:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:02:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:02:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 16:02:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 16:02:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 16:02:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 16:02:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 16:02:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 16:02:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 16:02:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 16:02:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 16:02:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 93 proven. 135 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-16 16:02:48,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:02:48,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354980676] [2024-11-16 16:02:48,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354980676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 16:02:48,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296023039] [2024-11-16 16:02:48,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:48,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:02:48,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:02:48,598 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 16:02:48,600 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 16:02:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:48,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 16:02:48,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:02:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1327 proven. 33 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-11-16 16:02:49,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 16:02:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-16 16:02:49,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296023039] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 16:02:49,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 16:02:49,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-11-16 16:02:49,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476977784] [2024-11-16 16:02:49,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 16:02:49,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 16:02:49,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:02:49,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 16:02:49,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-16 16:02:49,347 INFO L87 Difference]: Start difference. First operand 553 states and 802 transitions. Second operand has 16 states, 16 states have (on average 8.9375) internal successors, (143), 16 states have internal predecessors, (143), 5 states have call successors, (86), 2 states have call predecessors, (86), 4 states have return successors, (88), 5 states have call predecessors, (88), 5 states have call successors, (88) [2024-11-16 16:02:50,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:02:50,158 INFO L93 Difference]: Finished difference Result 880 states and 1251 transitions. [2024-11-16 16:02:50,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 16:02:50,159 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.9375) internal successors, (143), 16 states have internal predecessors, (143), 5 states have call successors, (86), 2 states have call predecessors, (86), 4 states have return successors, (88), 5 states have call predecessors, (88), 5 states have call successors, (88) Word has length 273 [2024-11-16 16:02:50,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:02:50,166 INFO L225 Difference]: With dead ends: 880 [2024-11-16 16:02:50,166 INFO L226 Difference]: Without dead ends: 603 [2024-11-16 16:02:50,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=243, Invalid=627, Unknown=0, NotChecked=0, Total=870 [2024-11-16 16:02:50,169 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 587 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 16:02:50,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 587 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 16:02:50,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-16 16:02:50,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 587. [2024-11-16 16:02:50,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 462 states have (on average 1.3333333333333333) internal successors, (616), 464 states have internal predecessors, (616), 106 states have call successors, (106), 18 states have call predecessors, (106), 18 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-16 16:02:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 828 transitions. [2024-11-16 16:02:50,233 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 828 transitions. Word has length 273 [2024-11-16 16:02:50,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:02:50,234 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 828 transitions. [2024-11-16 16:02:50,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.9375) internal successors, (143), 16 states have internal predecessors, (143), 5 states have call successors, (86), 2 states have call predecessors, (86), 4 states have return successors, (88), 5 states have call predecessors, (88), 5 states have call successors, (88) [2024-11-16 16:02:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 828 transitions. [2024-11-16 16:02:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-16 16:02:50,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:02:50,238 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:50,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 16:02:50,442 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,SelfDestructingSolverStorable5 [2024-11-16 16:02:50,443 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:02:50,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:02:50,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1579725356, now seen corresponding path program 1 times [2024-11-16 16:02:50,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:02:50,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863136681] [2024-11-16 16:02:50,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:50,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:02:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:02:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:02:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:02:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 16:02:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:02:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:02:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:02:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:02:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:02:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:02:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:02:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:02:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 16:02:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:02:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:02:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:02:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:02:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:02:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:02:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:02:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:02:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:02:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:02:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:02:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:02:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:02:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:02:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:02:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:02:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:02:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:02:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 16:02:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 16:02:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 16:02:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 16:02:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 16:02:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 16:02:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 16:02:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 16:02:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 16:02:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-16 16:02:51,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:02:51,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863136681] [2024-11-16 16:02:51,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863136681] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 16:02:51,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540407865] [2024-11-16 16:02:51,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:51,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:02:51,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:02:51,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 16:02:51,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 16:02:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:51,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 16:02:51,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:02:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-11-16 16:02:52,015 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 16:02:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-11-16 16:02:52,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540407865] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 16:02:52,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 16:02:52,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 17 [2024-11-16 16:02:52,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278956760] [2024-11-16 16:02:52,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 16:02:52,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 16:02:52,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:02:52,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 16:02:52,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-16 16:02:52,492 INFO L87 Difference]: Start difference. First operand 587 states and 828 transitions. Second operand has 17 states, 17 states have (on average 8.0) internal successors, (136), 17 states have internal predecessors, (136), 6 states have call successors, (92), 3 states have call predecessors, (92), 7 states have return successors, (94), 6 states have call predecessors, (94), 6 states have call successors, (94) [2024-11-16 16:02:53,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:02:53,891 INFO L93 Difference]: Finished difference Result 1339 states and 1838 transitions. [2024-11-16 16:02:53,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-16 16:02:53,892 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 17 states have internal predecessors, (136), 6 states have call successors, (92), 3 states have call predecessors, (92), 7 states have return successors, (94), 6 states have call predecessors, (94), 6 states have call successors, (94) Word has length 273 [2024-11-16 16:02:53,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:02:53,897 INFO L225 Difference]: With dead ends: 1339 [2024-11-16 16:02:53,897 INFO L226 Difference]: Without dead ends: 755 [2024-11-16 16:02:53,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 661 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=464, Invalid=1258, Unknown=0, NotChecked=0, Total=1722 [2024-11-16 16:02:53,900 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 982 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 16:02:53,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 1337 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 16:02:53,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-16 16:02:53,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 728. [2024-11-16 16:02:53,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 549 states have (on average 1.2768670309653916) internal successors, (701), 551 states have internal predecessors, (701), 140 states have call successors, (140), 38 states have call predecessors, (140), 38 states have return successors, (140), 138 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-16 16:02:53,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 981 transitions. [2024-11-16 16:02:53,979 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 981 transitions. Word has length 273 [2024-11-16 16:02:53,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:02:53,980 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 981 transitions. [2024-11-16 16:02:53,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 17 states have internal predecessors, (136), 6 states have call successors, (92), 3 states have call predecessors, (92), 7 states have return successors, (94), 6 states have call predecessors, (94), 6 states have call successors, (94) [2024-11-16 16:02:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 981 transitions. [2024-11-16 16:02:53,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-16 16:02:53,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:02:53,984 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:54,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 16:02:54,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:02:54,185 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:02:54,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:02:54,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1246509031, now seen corresponding path program 1 times [2024-11-16 16:02:54,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:02:54,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632582581] [2024-11-16 16:02:54,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:54,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:02:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:02:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:02:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:02:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 16:02:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:02:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:02:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:02:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:02:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:02:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:02:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:02:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:02:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 16:02:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:02:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:02:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:02:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:02:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:02:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:02:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:02:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:02:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:02:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:02:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:02:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:02:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:02:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:02:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:02:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:02:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:02:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:02:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 16:02:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 16:02:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 16:02:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 16:02:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 16:02:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 16:02:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 16:02:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 16:02:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 16:02:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 36 proven. 81 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-16 16:02:55,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:02:55,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632582581] [2024-11-16 16:02:55,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632582581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 16:02:55,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457032155] [2024-11-16 16:02:55,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:02:55,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:02:55,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:02:55,274 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 16:02:55,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 16:02:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:55,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-16 16:02:55,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:02:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1985 proven. 87 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2024-11-16 16:02:56,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 16:02:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 246 proven. 96 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-16 16:02:56,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457032155] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 16:02:56,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 16:02:56,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2024-11-16 16:02:56,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782400952] [2024-11-16 16:02:56,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 16:02:56,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-16 16:02:56,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:02:56,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-16 16:02:56,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-11-16 16:02:56,804 INFO L87 Difference]: Start difference. First operand 728 states and 981 transitions. Second operand has 30 states, 29 states have (on average 5.931034482758621) internal successors, (172), 28 states have internal predecessors, (172), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) [2024-11-16 16:03:01,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:03:01,565 INFO L93 Difference]: Finished difference Result 3344 states and 4385 transitions. [2024-11-16 16:03:01,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-16 16:03:01,566 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 5.931034482758621) internal successors, (172), 28 states have internal predecessors, (172), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) Word has length 275 [2024-11-16 16:03:01,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:03:01,577 INFO L225 Difference]: With dead ends: 3344 [2024-11-16 16:03:01,578 INFO L226 Difference]: Without dead ends: 2619 [2024-11-16 16:03:01,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3672 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2675, Invalid=9315, Unknown=0, NotChecked=0, Total=11990 [2024-11-16 16:03:01,584 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 3097 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 2300 mSolverCounterSat, 603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3097 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 2903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 603 IncrementalHoareTripleChecker+Valid, 2300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:03:01,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3097 Valid, 1167 Invalid, 2903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [603 Valid, 2300 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 16:03:01,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2024-11-16 16:03:01,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 792. [2024-11-16 16:03:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 597 states have (on average 1.2412060301507537) internal successors, (741), 599 states have internal predecessors, (741), 140 states have call successors, (140), 54 states have call predecessors, (140), 54 states have return successors, (140), 138 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-16 16:03:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1021 transitions. [2024-11-16 16:03:01,753 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1021 transitions. Word has length 275 [2024-11-16 16:03:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:03:01,754 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1021 transitions. [2024-11-16 16:03:01,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 5.931034482758621) internal successors, (172), 28 states have internal predecessors, (172), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) [2024-11-16 16:03:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1021 transitions. [2024-11-16 16:03:01,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-16 16:03:01,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:03:01,759 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:01,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 16:03:01,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:03:01,964 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:03:01,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:03:01,964 INFO L85 PathProgramCache]: Analyzing trace with hash 856205476, now seen corresponding path program 1 times [2024-11-16 16:03:01,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:03:01,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748091656] [2024-11-16 16:03:01,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:03:01,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:03:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:03:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:03:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:03:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 16:03:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:03:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:03:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:03:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:03:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:03:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:03:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:03:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:03:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 16:03:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:03:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:03:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:03:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:03:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:03:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:03:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:03:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:03:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:03:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:03:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:03:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:03:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:03:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:03:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:03:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:03:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:03:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:03:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 16:03:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 16:03:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 16:03:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 16:03:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 16:03:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 16:03:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 16:03:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 16:03:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 16:03:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-16 16:03:02,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:03:02,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748091656] [2024-11-16 16:03:02,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748091656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:03:02,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:03:02,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 16:03:02,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779840305] [2024-11-16 16:03:02,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:03:02,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 16:03:02,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:03:02,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 16:03:02,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:03:02,581 INFO L87 Difference]: Start difference. First operand 792 states and 1021 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-16 16:03:02,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:03:02,966 INFO L93 Difference]: Finished difference Result 1944 states and 2537 transitions. [2024-11-16 16:03:02,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 16:03:02,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 278 [2024-11-16 16:03:02,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:03:02,972 INFO L225 Difference]: With dead ends: 1944 [2024-11-16 16:03:02,972 INFO L226 Difference]: Without dead ends: 1155 [2024-11-16 16:03:02,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:03:02,977 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 184 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 16:03:02,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 625 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 16:03:02,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-16 16:03:03,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1148. [2024-11-16 16:03:03,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 937 states have (on average 1.2817502668089649) internal successors, (1201), 943 states have internal predecessors, (1201), 152 states have call successors, (152), 58 states have call predecessors, (152), 58 states have return successors, (152), 146 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-16 16:03:03,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1505 transitions. [2024-11-16 16:03:03,122 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1505 transitions. Word has length 278 [2024-11-16 16:03:03,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:03:03,123 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1505 transitions. [2024-11-16 16:03:03,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-16 16:03:03,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1505 transitions. [2024-11-16 16:03:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-16 16:03:03,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:03:03,128 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:03,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 16:03:03,128 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:03:03,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:03:03,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1503101533, now seen corresponding path program 1 times [2024-11-16 16:03:03,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:03:03,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348638441] [2024-11-16 16:03:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:03:03,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:03:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:03:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:03:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:03:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 16:03:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:03:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:03:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:03:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:03:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:03:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:03:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:03:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:03:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 16:03:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:03:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:03:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:03:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:03:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:03:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:03:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:03:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:03:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:03:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:03:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:03:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:03:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:03:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:03:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:03:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:03:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:03:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:03:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 16:03:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 16:03:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 16:03:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 16:03:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 16:03:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 16:03:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 16:03:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 16:03:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 16:03:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:03:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-16 16:03:03,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:03:03,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348638441] [2024-11-16 16:03:03,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348638441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:03:03,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:03:03,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 16:03:03,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299998441] [2024-11-16 16:03:03,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:03:03,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 16:03:03,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:03:03,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 16:03:03,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:03:03,550 INFO L87 Difference]: Start difference. First operand 1148 states and 1505 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-16 16:03:03,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:03:03,914 INFO L93 Difference]: Finished difference Result 2457 states and 3251 transitions. [2024-11-16 16:03:03,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 16:03:03,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 278 [2024-11-16 16:03:03,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:03:03,921 INFO L225 Difference]: With dead ends: 2457 [2024-11-16 16:03:03,921 INFO L226 Difference]: Without dead ends: 1312 [2024-11-16 16:03:03,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:03:03,924 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 230 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 16:03:03,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 496 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 16:03:03,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2024-11-16 16:03:04,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1164. [2024-11-16 16:03:04,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 953 states have (on average 1.2770199370409234) internal successors, (1217), 959 states have internal predecessors, (1217), 152 states have call successors, (152), 58 states have call predecessors, (152), 58 states have return successors, (152), 146 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-16 16:03:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1521 transitions. [2024-11-16 16:03:04,082 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1521 transitions. Word has length 278 [2024-11-16 16:03:04,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:03:04,083 INFO L471 AbstractCegarLoop]: Abstraction has 1164 states and 1521 transitions. [2024-11-16 16:03:04,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-16 16:03:04,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1521 transitions. [2024-11-16 16:03:04,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-16 16:03:04,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:03:04,085 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:04,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 16:03:04,086 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:03:04,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:03:04,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1570108286, now seen corresponding path program 1 times [2024-11-16 16:03:04,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:03:04,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139563110] [2024-11-16 16:03:04,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:03:04,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:03:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat