./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:53:33,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:53:33,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 19:53:33,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:53:33,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:53:33,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:53:33,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:53:33,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:53:33,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:53:33,541 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:53:33,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:53:33,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:53:33,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:53:33,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:53:33,542 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:53:33,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:53:33,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 19:53:33,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:53:33,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:53:33,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:53:33,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:53:33,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:53:33,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:53:33,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 19:53:33,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:53:33,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:53:33,544 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:53:33,544 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:53:33,544 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:53:33,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:53:33,544 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 [2024-11-07 19:53:33,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:53:33,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:53:33,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:53:33,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:53:33,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:53:33,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2024-11-07 19:53:35,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:53:35,352 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:53:35,352 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2024-11-07 19:53:35,363 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b0ee58c37/1dcd89b122224149bfbd55f943edd227/FLAG10702b829 [2024-11-07 19:53:35,385 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b0ee58c37/1dcd89b122224149bfbd55f943edd227 [2024-11-07 19:53:35,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:53:35,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:53:35,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:53:35,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:53:35,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:53:35,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f63181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35, skipping insertion in model container [2024-11-07 19:53:35,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:53:35,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:53:35,554 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:53:35,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:53:35,575 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:53:35,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35 WrapperNode [2024-11-07 19:53:35,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:53:35,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:53:35,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:53:35,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:53:35,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,601 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-11-07 19:53:35,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:53:35,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:53:35,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:53:35,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:53:35,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,618 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 19:53:35,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:53:35,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:53:35,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:53:35,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:53:35,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (1/1) ... [2024-11-07 19:53:35,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:53:35,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:35,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 19:53:35,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 19:53:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:53:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:53:35,759 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:53:35,760 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:53:35,834 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-07 19:53:35,835 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:53:35,842 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:53:35,842 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 19:53:35,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:53:35 BoogieIcfgContainer [2024-11-07 19:53:35,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:53:35,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:53:35,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:53:35,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:53:35,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:53:35" (1/3) ... [2024-11-07 19:53:35,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6c8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:53:35, skipping insertion in model container [2024-11-07 19:53:35,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:35" (2/3) ... [2024-11-07 19:53:35,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6c8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:53:35, skipping insertion in model container [2024-11-07 19:53:35,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:53:35" (3/3) ... [2024-11-07 19:53:35,852 INFO L112 eAbstractionObserver]: Analyzing ICFG BrockschmidtCookFuhs-CAV2013-Fig9a.c [2024-11-07 19:53:35,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:53:35,864 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-07 19:53:35,912 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:53:35,925 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;@6b2e43a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:53:35,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-07 19:53:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.75) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 19:53:35,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:35,934 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 19:53:35,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:35,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:35,939 INFO L85 PathProgramCache]: Analyzing trace with hash 889513814, now seen corresponding path program 1 times [2024-11-07 19:53:35,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:35,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624799672] [2024-11-07 19:53:35,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:35,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:53:36,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:36,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624799672] [2024-11-07 19:53:36,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624799672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:53:36,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:53:36,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:53:36,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958933439] [2024-11-07 19:53:36,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:53:36,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:53:36,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:36,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:53:36,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:53:36,153 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.75) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:36,246 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2024-11-07 19:53:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:53:36,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 19:53:36,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:36,255 INFO L225 Difference]: With dead ends: 31 [2024-11-07 19:53:36,256 INFO L226 Difference]: Without dead ends: 13 [2024-11-07 19:53:36,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:53:36,261 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:36,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 17 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:53:36,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-07 19:53:36,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-07 19:53:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-07 19:53:36,294 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 6 [2024-11-07 19:53:36,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:36,295 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-07 19:53:36,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-07 19:53:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 19:53:36,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:36,297 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 19:53:36,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:53:36,298 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:36,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:36,299 INFO L85 PathProgramCache]: Analyzing trace with hash 889513869, now seen corresponding path program 1 times [2024-11-07 19:53:36,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:36,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16117754] [2024-11-07 19:53:36,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:36,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:36,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:53:36,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:36,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16117754] [2024-11-07 19:53:36,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16117754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:53:36,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:53:36,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:53:36,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091780922] [2024-11-07 19:53:36,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:53:36,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:53:36,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:36,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:53:36,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:53:36,361 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:36,394 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-11-07 19:53:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:53:36,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 19:53:36,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:36,395 INFO L225 Difference]: With dead ends: 13 [2024-11-07 19:53:36,396 INFO L226 Difference]: Without dead ends: 12 [2024-11-07 19:53:36,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:53:36,397 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:36,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:53:36,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-07 19:53:36,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-07 19:53:36,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2024-11-07 19:53:36,405 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 6 [2024-11-07 19:53:36,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:36,405 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-11-07 19:53:36,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-07 19:53:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 19:53:36,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:36,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:53:36,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:53:36,406 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:36,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:36,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1805126220, now seen corresponding path program 1 times [2024-11-07 19:53:36,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:36,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548318181] [2024-11-07 19:53:36,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:36,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:53:36,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:36,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548318181] [2024-11-07 19:53:36,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548318181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:53:36,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:53:36,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:53:36,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166887966] [2024-11-07 19:53:36,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:53:36,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:53:36,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:36,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:53:36,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:53:36,494 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:36,534 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2024-11-07 19:53:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:53:36,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 19:53:36,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:36,535 INFO L225 Difference]: With dead ends: 15 [2024-11-07 19:53:36,536 INFO L226 Difference]: Without dead ends: 14 [2024-11-07 19:53:36,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:53:36,537 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:36,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 12 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:53:36,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-07 19:53:36,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-07 19:53:36,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-07 19:53:36,546 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2024-11-07 19:53:36,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:36,546 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-07 19:53:36,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,546 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-07 19:53:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-07 19:53:36,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:36,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:53:36,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:53:36,547 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:36,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:36,549 INFO L85 PathProgramCache]: Analyzing trace with hash -770242199, now seen corresponding path program 1 times [2024-11-07 19:53:36,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:36,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260686346] [2024-11-07 19:53:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:36,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:53:36,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:36,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260686346] [2024-11-07 19:53:36,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260686346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:53:36,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:53:36,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:53:36,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429627873] [2024-11-07 19:53:36,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:53:36,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:53:36,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:36,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:53:36,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:53:36,610 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:36,636 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-11-07 19:53:36,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:53:36,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-07 19:53:36,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:36,637 INFO L225 Difference]: With dead ends: 25 [2024-11-07 19:53:36,637 INFO L226 Difference]: Without dead ends: 24 [2024-11-07 19:53:36,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:53:36,638 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:36,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:53:36,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-07 19:53:36,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-11-07 19:53:36,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-07 19:53:36,644 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 10 [2024-11-07 19:53:36,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:36,644 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-07 19:53:36,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-07 19:53:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-07 19:53:36,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:36,645 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-07 19:53:36,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 19:53:36,650 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:36,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:36,652 INFO L85 PathProgramCache]: Analyzing trace with hash -770240501, now seen corresponding path program 1 times [2024-11-07 19:53:36,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:36,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675517709] [2024-11-07 19:53:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:36,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:36,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:53:36,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:36,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675517709] [2024-11-07 19:53:36,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675517709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:36,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518916508] [2024-11-07 19:53:36,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:36,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:36,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:36,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:36,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 19:53:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:36,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:53:36,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:53:36,917 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:36,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:53:36,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518916508] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:36,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:36,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-07 19:53:36,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407441241] [2024-11-07 19:53:36,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:36,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 19:53:36,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:36,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 19:53:36,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-07 19:53:36,959 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:37,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:37,027 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2024-11-07 19:53:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:53:37,028 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-07 19:53:37,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:37,028 INFO L225 Difference]: With dead ends: 37 [2024-11-07 19:53:37,029 INFO L226 Difference]: Without dead ends: 21 [2024-11-07 19:53:37,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 19:53:37,029 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:37,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:53:37,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-07 19:53:37,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-07 19:53:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:37,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-11-07 19:53:37,034 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 10 [2024-11-07 19:53:37,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:37,035 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-07 19:53:37,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:37,035 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-07 19:53:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-07 19:53:37,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:37,035 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 19:53:37,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 19:53:37,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:37,240 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:37,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:37,241 INFO L85 PathProgramCache]: Analyzing trace with hash -249756767, now seen corresponding path program 1 times [2024-11-07 19:53:37,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:37,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502856015] [2024-11-07 19:53:37,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:37,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:37,285 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 19:53:37,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:37,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502856015] [2024-11-07 19:53:37,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502856015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:37,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243270528] [2024-11-07 19:53:37,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:37,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:37,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:37,288 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:37,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 19:53:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:37,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:53:37,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 19:53:37,364 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 19:53:37,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243270528] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:37,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:37,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-07 19:53:37,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758204770] [2024-11-07 19:53:37,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:37,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:53:37,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:37,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:53:37,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:53:37,413 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:37,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:37,469 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2024-11-07 19:53:37,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:53:37,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-07 19:53:37,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:37,470 INFO L225 Difference]: With dead ends: 52 [2024-11-07 19:53:37,470 INFO L226 Difference]: Without dead ends: 51 [2024-11-07 19:53:37,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:53:37,471 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:37,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 23 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:53:37,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-07 19:53:37,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2024-11-07 19:53:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 47 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2024-11-07 19:53:37,479 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 17 [2024-11-07 19:53:37,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:37,480 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2024-11-07 19:53:37,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2024-11-07 19:53:37,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-07 19:53:37,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:37,480 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:53:37,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 19:53:37,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:37,681 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:37,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:37,682 INFO L85 PathProgramCache]: Analyzing trace with hash -249755069, now seen corresponding path program 1 times [2024-11-07 19:53:37,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:37,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750757166] [2024-11-07 19:53:37,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:37,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:37,787 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:53:37,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:37,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750757166] [2024-11-07 19:53:37,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750757166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:37,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106838246] [2024-11-07 19:53:37,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:37,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:37,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:37,790 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:37,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 19:53:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:37,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 19:53:37,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:53:37,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:53:38,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106838246] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:38,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:38,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-11-07 19:53:38,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39707329] [2024-11-07 19:53:38,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:38,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 19:53:38,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:38,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 19:53:38,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-07 19:53:38,026 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 15 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:38,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:38,348 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2024-11-07 19:53:38,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 19:53:38,349 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-07 19:53:38,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:38,350 INFO L225 Difference]: With dead ends: 66 [2024-11-07 19:53:38,350 INFO L226 Difference]: Without dead ends: 65 [2024-11-07 19:53:38,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2024-11-07 19:53:38,351 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 34 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:38,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 20 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:53:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-07 19:53:38,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 60. [2024-11-07 19:53:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2024-11-07 19:53:38,363 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 17 [2024-11-07 19:53:38,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:38,363 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2024-11-07 19:53:38,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2024-11-07 19:53:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-07 19:53:38,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:38,363 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:53:38,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 19:53:38,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:38,564 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:38,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:38,565 INFO L85 PathProgramCache]: Analyzing trace with hash 461482147, now seen corresponding path program 2 times [2024-11-07 19:53:38,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:38,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452314134] [2024-11-07 19:53:38,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:38,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 19:53:38,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:38,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452314134] [2024-11-07 19:53:38,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452314134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:38,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531209681] [2024-11-07 19:53:38,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 19:53:38,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:38,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:38,650 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:38,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 19:53:38,684 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 19:53:38,684 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:53:38,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 19:53:38,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 19:53:38,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 19:53:38,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531209681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:38,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:38,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-07 19:53:38,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634722035] [2024-11-07 19:53:38,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:38,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 19:53:38,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:38,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 19:53:38,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-11-07 19:53:38,968 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand has 19 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 19 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:39,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:39,547 INFO L93 Difference]: Finished difference Result 108 states and 127 transitions. [2024-11-07 19:53:39,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 19:53:39,548 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 19 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-07 19:53:39,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:39,548 INFO L225 Difference]: With dead ends: 108 [2024-11-07 19:53:39,548 INFO L226 Difference]: Without dead ends: 66 [2024-11-07 19:53:39,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=325, Invalid=1157, Unknown=0, NotChecked=0, Total=1482 [2024-11-07 19:53:39,550 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 31 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:39,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 29 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 19:53:39,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-07 19:53:39,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 45. [2024-11-07 19:53:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 44 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2024-11-07 19:53:39,566 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 23 [2024-11-07 19:53:39,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:39,566 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2024-11-07 19:53:39,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 19 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:39,569 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2024-11-07 19:53:39,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 19:53:39,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:39,569 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2024-11-07 19:53:39,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 19:53:39,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-07 19:53:39,770 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:39,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:39,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1026452329, now seen corresponding path program 2 times [2024-11-07 19:53:39,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:39,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318482762] [2024-11-07 19:53:39,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:39,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:39,862 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-07 19:53:39,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:39,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318482762] [2024-11-07 19:53:39,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318482762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:39,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850338640] [2024-11-07 19:53:39,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 19:53:39,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:39,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:39,867 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:39,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 19:53:39,903 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 19:53:39,903 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:53:39,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:53:39,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-07 19:53:39,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-07 19:53:40,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850338640] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:40,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:40,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-07 19:53:40,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621962279] [2024-11-07 19:53:40,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:40,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:53:40,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:40,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:53:40,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:53:40,018 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:40,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:40,035 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2024-11-07 19:53:40,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:53:40,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2024-11-07 19:53:40,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:40,037 INFO L225 Difference]: With dead ends: 45 [2024-11-07 19:53:40,037 INFO L226 Difference]: Without dead ends: 44 [2024-11-07 19:53:40,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:53:40,037 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:40,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:53:40,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-07 19:53:40,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2024-11-07 19:53:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 41 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2024-11-07 19:53:40,044 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 38 [2024-11-07 19:53:40,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:40,044 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2024-11-07 19:53:40,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:40,045 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2024-11-07 19:53:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 19:53:40,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:40,045 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-07 19:53:40,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 19:53:40,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:40,246 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:40,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:40,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1026454027, now seen corresponding path program 3 times [2024-11-07 19:53:40,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:40,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999438527] [2024-11-07 19:53:40,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:40,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 19:53:40,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:40,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999438527] [2024-11-07 19:53:40,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999438527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:40,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934545746] [2024-11-07 19:53:40,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 19:53:40,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:40,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:40,398 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:40,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 19:53:40,436 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-07 19:53:40,436 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:53:40,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 19:53:40,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 19:53:40,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 19:53:40,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934545746] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:40,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:40,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-11-07 19:53:40,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048957448] [2024-11-07 19:53:40,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:40,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-07 19:53:40,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:40,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-07 19:53:40,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-07 19:53:40,700 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 21 states, 20 states have (on average 4.05) internal successors, (81), 21 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:41,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:41,434 INFO L93 Difference]: Finished difference Result 150 states and 177 transitions. [2024-11-07 19:53:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-07 19:53:41,435 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.05) internal successors, (81), 21 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2024-11-07 19:53:41,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:41,437 INFO L225 Difference]: With dead ends: 150 [2024-11-07 19:53:41,437 INFO L226 Difference]: Without dead ends: 149 [2024-11-07 19:53:41,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=904, Invalid=2636, Unknown=0, NotChecked=0, Total=3540 [2024-11-07 19:53:41,443 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 54 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:41,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 28 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 19:53:41,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-07 19:53:41,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 112. [2024-11-07 19:53:41,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.1981981981981982) internal successors, (133), 111 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:41,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2024-11-07 19:53:41,473 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 133 transitions. Word has length 38 [2024-11-07 19:53:41,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:41,473 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 133 transitions. [2024-11-07 19:53:41,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.05) internal successors, (81), 21 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:41,474 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions. [2024-11-07 19:53:41,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 19:53:41,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:41,475 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 7, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-07 19:53:41,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 19:53:41,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-07 19:53:41,676 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:41,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:41,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1283988075, now seen corresponding path program 4 times [2024-11-07 19:53:41,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:41,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192739696] [2024-11-07 19:53:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:41,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 65 proven. 74 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 19:53:41,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:41,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192739696] [2024-11-07 19:53:41,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192739696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:41,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036375372] [2024-11-07 19:53:41,853 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 19:53:41,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:41,856 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:41,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 19:53:41,903 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 19:53:41,903 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:53:41,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 19:53:41,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 92 proven. 47 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 19:53:42,117 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 65 proven. 74 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 19:53:42,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036375372] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:42,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:42,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2024-11-07 19:53:42,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226747216] [2024-11-07 19:53:42,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:42,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-07 19:53:42,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:42,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-07 19:53:42,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2024-11-07 19:53:42,355 INFO L87 Difference]: Start difference. First operand 112 states and 133 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:43,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:43,251 INFO L93 Difference]: Finished difference Result 424 states and 509 transitions. [2024-11-07 19:53:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-07 19:53:43,251 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2024-11-07 19:53:43,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:43,254 INFO L225 Difference]: With dead ends: 424 [2024-11-07 19:53:43,254 INFO L226 Difference]: Without dead ends: 334 [2024-11-07 19:53:43,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=689, Invalid=2617, Unknown=0, NotChecked=0, Total=3306 [2024-11-07 19:53:43,258 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 53 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:43,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 26 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 19:53:43,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-07 19:53:43,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 318. [2024-11-07 19:53:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.1514195583596214) internal successors, (365), 317 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 365 transitions. [2024-11-07 19:53:43,317 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 365 transitions. Word has length 44 [2024-11-07 19:53:43,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:43,317 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 365 transitions. [2024-11-07 19:53:43,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:43,317 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 365 transitions. [2024-11-07 19:53:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 19:53:43,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:43,321 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-07 19:53:43,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 19:53:43,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:43,525 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:43,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:43,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1090922906, now seen corresponding path program 5 times [2024-11-07 19:53:43,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:43,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428636626] [2024-11-07 19:53:43,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:43,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 51 proven. 112 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 19:53:43,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:43,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428636626] [2024-11-07 19:53:43,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428636626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:43,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279820050] [2024-11-07 19:53:43,722 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 19:53:43,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:43,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:43,725 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:43,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 19:53:43,772 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-07 19:53:43,772 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:53:43,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 19:53:43,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 71 proven. 93 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 19:53:44,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 51 proven. 113 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 19:53:44,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279820050] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:44,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:44,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 30 [2024-11-07 19:53:44,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295224767] [2024-11-07 19:53:44,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:44,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-07 19:53:44,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:44,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-07 19:53:44,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2024-11-07 19:53:44,224 INFO L87 Difference]: Start difference. First operand 318 states and 365 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:44,927 INFO L93 Difference]: Finished difference Result 599 states and 691 transitions. [2024-11-07 19:53:44,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 19:53:44,928 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-07 19:53:44,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:44,930 INFO L225 Difference]: With dead ends: 599 [2024-11-07 19:53:44,930 INFO L226 Difference]: Without dead ends: 366 [2024-11-07 19:53:44,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 74 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=632, Invalid=2448, Unknown=0, NotChecked=0, Total=3080 [2024-11-07 19:53:44,932 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 58 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:44,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 24 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 19:53:44,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-07 19:53:44,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 348. [2024-11-07 19:53:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.1469740634005763) internal successors, (398), 347 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:44,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 398 transitions. [2024-11-07 19:53:44,984 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 398 transitions. Word has length 47 [2024-11-07 19:53:44,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:44,985 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 398 transitions. [2024-11-07 19:53:44,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 398 transitions. [2024-11-07 19:53:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 19:53:44,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:44,990 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 9, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-07 19:53:45,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-07 19:53:45,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:45,195 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:45,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:45,196 INFO L85 PathProgramCache]: Analyzing trace with hash 277704857, now seen corresponding path program 6 times [2024-11-07 19:53:45,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:45,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600994228] [2024-11-07 19:53:45,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:45,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 56 proven. 140 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 19:53:45,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:45,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600994228] [2024-11-07 19:53:45,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600994228] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:45,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137358392] [2024-11-07 19:53:45,416 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-07 19:53:45,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:45,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:45,418 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:45,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 19:53:45,459 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-07 19:53:45,459 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:53:45,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 19:53:45,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 40 proven. 146 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 19:53:45,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 4 proven. 182 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 19:53:45,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137358392] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:45,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:45,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 35 [2024-11-07 19:53:45,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225732080] [2024-11-07 19:53:45,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:45,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-07 19:53:45,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:45,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-07 19:53:45,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1058, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 19:53:45,942 INFO L87 Difference]: Start difference. First operand 348 states and 398 transitions. Second operand has 35 states, 35 states have (on average 3.6285714285714286) internal successors, (127), 35 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:49,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:49,108 INFO L93 Difference]: Finished difference Result 1434 states and 1804 transitions. [2024-11-07 19:53:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-11-07 19:53:49,108 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.6285714285714286) internal successors, (127), 35 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-07 19:53:49,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:49,113 INFO L225 Difference]: With dead ends: 1434 [2024-11-07 19:53:49,113 INFO L226 Difference]: Without dead ends: 1141 [2024-11-07 19:53:49,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6476 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2806, Invalid=16934, Unknown=0, NotChecked=0, Total=19740 [2024-11-07 19:53:49,117 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 333 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:49,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 35 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 19:53:49,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-07 19:53:49,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 384. [2024-11-07 19:53:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 383 states have (on average 1.156657963446475) internal successors, (443), 383 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 443 transitions. [2024-11-07 19:53:49,188 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 443 transitions. Word has length 50 [2024-11-07 19:53:49,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:49,188 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 443 transitions. [2024-11-07 19:53:49,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.6285714285714286) internal successors, (127), 35 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 443 transitions. [2024-11-07 19:53:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 19:53:49,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:49,191 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-07 19:53:49,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 19:53:49,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:49,391 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:49,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:49,392 INFO L85 PathProgramCache]: Analyzing trace with hash -775133941, now seen corresponding path program 7 times [2024-11-07 19:53:49,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:49,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352915056] [2024-11-07 19:53:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:49,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:49,644 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 19:53:49,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:49,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352915056] [2024-11-07 19:53:49,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352915056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:49,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142050754] [2024-11-07 19:53:49,644 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-07 19:53:49,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:49,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:49,647 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:49,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 19:53:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:49,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 19:53:49,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 19:53:49,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 19:53:50,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142050754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:50,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:50,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 32 [2024-11-07 19:53:50,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003891315] [2024-11-07 19:53:50,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:50,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-07 19:53:50,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:50,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-07 19:53:50,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=726, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 19:53:50,157 INFO L87 Difference]: Start difference. First operand 384 states and 443 transitions. Second operand has 33 states, 32 states have (on average 5.15625) internal successors, (165), 33 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:52,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:53:52,303 INFO L93 Difference]: Finished difference Result 3645 states and 4316 transitions. [2024-11-07 19:53:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-11-07 19:53:52,303 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 5.15625) internal successors, (165), 33 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-07 19:53:52,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:53:52,318 INFO L225 Difference]: With dead ends: 3645 [2024-11-07 19:53:52,318 INFO L226 Difference]: Without dead ends: 3644 [2024-11-07 19:53:52,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5686 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=4096, Invalid=11654, Unknown=0, NotChecked=0, Total=15750 [2024-11-07 19:53:52,323 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 100 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 19:53:52,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 45 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 19:53:52,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3644 states. [2024-11-07 19:53:52,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3644 to 1054. [2024-11-07 19:53:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1053 states have (on average 1.1661918328584995) internal successors, (1228), 1053 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1228 transitions. [2024-11-07 19:53:52,452 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1228 transitions. Word has length 80 [2024-11-07 19:53:52,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:53:52,453 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1228 transitions. [2024-11-07 19:53:52,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 5.15625) internal successors, (165), 33 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:53:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1228 transitions. [2024-11-07 19:53:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 19:53:52,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:53:52,454 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 16, 8, 7, 7, 7, 1, 1, 1, 1] [2024-11-07 19:53:52,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 19:53:52,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 19:53:52,656 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:53:52,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:53:52,656 INFO L85 PathProgramCache]: Analyzing trace with hash 79148945, now seen corresponding path program 8 times [2024-11-07 19:53:52,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:53:52,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255193640] [2024-11-07 19:53:52,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:53:52,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:53:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:53:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 94 proven. 472 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-07 19:53:52,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:53:52,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255193640] [2024-11-07 19:53:52,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255193640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:53:52,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871098744] [2024-11-07 19:53:52,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 19:53:52,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:53:52,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:53:53,000 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:53:53,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 19:53:53,051 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 19:53:53,052 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:53:53,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 19:53:53,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:53:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 0 proven. 571 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-07 19:53:53,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:53:53,733 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 1 proven. 570 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-07 19:53:53,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871098744] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:53:53,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:53:53,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 13] total 42 [2024-11-07 19:53:53,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847890661] [2024-11-07 19:53:53,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:53:53,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-07 19:53:53,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:53:53,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-07 19:53:53,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1521, Unknown=0, NotChecked=0, Total=1722 [2024-11-07 19:53:53,735 INFO L87 Difference]: Start difference. First operand 1054 states and 1228 transitions. Second operand has 42 states, 42 states have (on average 4.309523809523809) internal successors, (181), 42 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:04,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:54:04,813 INFO L93 Difference]: Finished difference Result 3639 states and 4292 transitions. [2024-11-07 19:54:04,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2024-11-07 19:54:04,814 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.309523809523809) internal successors, (181), 42 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-07 19:54:04,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:54:04,822 INFO L225 Difference]: With dead ends: 3639 [2024-11-07 19:54:04,822 INFO L226 Difference]: Without dead ends: 2986 [2024-11-07 19:54:04,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 378 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63984 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=18334, Invalid=125686, Unknown=0, NotChecked=0, Total=144020 [2024-11-07 19:54:04,837 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 825 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 19:54:04,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 29 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 19:54:04,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2024-11-07 19:54:05,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 1836. [2024-11-07 19:54:05,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1836 states, 1835 states have (on average 1.1613079019073569) internal successors, (2131), 1835 states have internal predecessors, (2131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2131 transitions. [2024-11-07 19:54:05,120 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2131 transitions. Word has length 83 [2024-11-07 19:54:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:54:05,120 INFO L471 AbstractCegarLoop]: Abstraction has 1836 states and 2131 transitions. [2024-11-07 19:54:05,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.309523809523809) internal successors, (181), 42 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2131 transitions. [2024-11-07 19:54:05,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-07 19:54:05,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:54:05,122 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 16, 12, 11, 11, 11, 1, 1, 1, 1] [2024-11-07 19:54:05,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-07 19:54:05,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 19:54:05,327 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:54:05,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:54:05,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1137935975, now seen corresponding path program 9 times [2024-11-07 19:54:05,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:54:05,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536110451] [2024-11-07 19:54:05,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:54:05,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:54:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:54:05,621 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 808 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 19:54:05,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:54:05,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536110451] [2024-11-07 19:54:05,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536110451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:54:05,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243356281] [2024-11-07 19:54:05,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 19:54:05,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:54:05,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:54:05,624 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:54:05,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-07 19:54:05,716 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-07 19:54:05,716 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:54:05,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 19:54:05,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:54:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 424 proven. 184 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-07 19:54:05,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:54:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 424 proven. 184 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-07 19:54:06,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243356281] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:54:06,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:54:06,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 40 [2024-11-07 19:54:06,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750669225] [2024-11-07 19:54:06,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:54:06,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-07 19:54:06,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:54:06,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-07 19:54:06,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=1364, Unknown=0, NotChecked=0, Total=1640 [2024-11-07 19:54:06,392 INFO L87 Difference]: Start difference. First operand 1836 states and 2131 transitions. Second operand has 41 states, 40 states have (on average 4.425) internal successors, (177), 41 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:19,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:54:19,765 INFO L93 Difference]: Finished difference Result 8587 states and 10452 transitions. [2024-11-07 19:54:19,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 364 states. [2024-11-07 19:54:19,765 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 4.425) internal successors, (177), 41 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-07 19:54:19,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:54:19,787 INFO L225 Difference]: With dead ends: 8587 [2024-11-07 19:54:19,788 INFO L226 Difference]: Without dead ends: 8586 [2024-11-07 19:54:19,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 387 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69506 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=26124, Invalid=124808, Unknown=0, NotChecked=0, Total=150932 [2024-11-07 19:54:19,796 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 781 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 867 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 867 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 19:54:19,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 16 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [867 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 19:54:19,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8586 states. [2024-11-07 19:54:20,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8586 to 2187. [2024-11-07 19:54:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2187 states, 2186 states have (on average 1.1646843549862762) internal successors, (2546), 2186 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 2546 transitions. [2024-11-07 19:54:20,191 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 2546 transitions. Word has length 99 [2024-11-07 19:54:20,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:54:20,191 INFO L471 AbstractCegarLoop]: Abstraction has 2187 states and 2546 transitions. [2024-11-07 19:54:20,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 4.425) internal successors, (177), 41 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:20,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2546 transitions. [2024-11-07 19:54:20,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 19:54:20,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:54:20,195 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-07 19:54:20,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-07 19:54:20,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:54:20,396 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:54:20,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:54:20,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1772549365, now seen corresponding path program 10 times [2024-11-07 19:54:20,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:54:20,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128030551] [2024-11-07 19:54:20,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:54:20,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:54:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:54:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2302 backedges. 0 proven. 2280 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-07 19:54:21,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:54:21,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128030551] [2024-11-07 19:54:21,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128030551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:54:21,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210963360] [2024-11-07 19:54:21,033 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 19:54:21,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:54:21,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:54:21,035 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:54:21,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-07 19:54:21,141 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 19:54:21,141 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:54:21,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 19:54:21,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:54:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2302 backedges. 0 proven. 2280 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-07 19:54:21,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:54:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2302 backedges. 0 proven. 2280 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-07 19:54:22,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210963360] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:54:22,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:54:22,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 56 [2024-11-07 19:54:22,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682214745] [2024-11-07 19:54:22,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:54:22,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-07 19:54:22,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:54:22,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-07 19:54:22,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1206, Invalid=1986, Unknown=0, NotChecked=0, Total=3192 [2024-11-07 19:54:22,165 INFO L87 Difference]: Start difference. First operand 2187 states and 2546 transitions. Second operand has 57 states, 56 states have (on average 5.946428571428571) internal successors, (333), 57 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:32,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:54:32,276 INFO L93 Difference]: Finished difference Result 24098 states and 28923 transitions. [2024-11-07 19:54:32,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2024-11-07 19:54:32,277 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 5.946428571428571) internal successors, (333), 57 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 164 [2024-11-07 19:54:32,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:54:32,342 INFO L225 Difference]: With dead ends: 24098 [2024-11-07 19:54:32,342 INFO L226 Difference]: Without dead ends: 24097 [2024-11-07 19:54:32,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25792 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=17392, Invalid=48914, Unknown=0, NotChecked=0, Total=66306 [2024-11-07 19:54:32,352 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 164 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 19:54:32,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 57 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 19:54:32,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24097 states. [2024-11-07 19:54:33,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24097 to 7674. [2024-11-07 19:54:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7674 states, 7673 states have (on average 1.1751596507233155) internal successors, (9017), 7673 states have internal predecessors, (9017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7674 states to 7674 states and 9017 transitions. [2024-11-07 19:54:33,443 INFO L78 Accepts]: Start accepts. Automaton has 7674 states and 9017 transitions. Word has length 164 [2024-11-07 19:54:33,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:54:33,444 INFO L471 AbstractCegarLoop]: Abstraction has 7674 states and 9017 transitions. [2024-11-07 19:54:33,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 5.946428571428571) internal successors, (333), 57 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 7674 states and 9017 transitions. [2024-11-07 19:54:33,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 19:54:33,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:54:33,449 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 34, 21, 20, 20, 20, 1, 1, 1, 1] [2024-11-07 19:54:33,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-07 19:54:33,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 19:54:33,650 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:54:33,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:54:33,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1775672476, now seen corresponding path program 11 times [2024-11-07 19:54:33,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:54:33,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666997027] [2024-11-07 19:54:33,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:54:33,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:54:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:54:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3265 backedges. 0 proven. 2617 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-07 19:54:34,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:54:34,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666997027] [2024-11-07 19:54:34,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666997027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:54:34,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212148518] [2024-11-07 19:54:34,106 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 19:54:34,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:54:34,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:54:34,108 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:54:34,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-07 19:54:34,186 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2024-11-07 19:54:34,186 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:54:34,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-07 19:54:34,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:54:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3265 backedges. 1548 proven. 1577 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-07 19:54:34,855 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:54:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3265 backedges. 1472 proven. 1653 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-07 19:54:35,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212148518] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:54:35,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:54:35,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 27, 27] total 64 [2024-11-07 19:54:35,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294767524] [2024-11-07 19:54:35,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:54:35,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-07 19:54:35,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:54:35,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-07 19:54:35,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=3565, Unknown=0, NotChecked=0, Total=4032 [2024-11-07 19:54:35,494 INFO L87 Difference]: Start difference. First operand 7674 states and 9017 transitions. Second operand has 64 states, 64 states have (on average 5.234375) internal successors, (335), 64 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:45,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:54:45,535 INFO L93 Difference]: Finished difference Result 17239 states and 20363 transitions. [2024-11-07 19:54:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-11-07 19:54:45,536 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 5.234375) internal successors, (335), 64 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2024-11-07 19:54:45,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:54:45,564 INFO L225 Difference]: With dead ends: 17239 [2024-11-07 19:54:45,564 INFO L226 Difference]: Without dead ends: 10435 [2024-11-07 19:54:45,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 327 SyntacticMatches, 8 SemanticMatches, 333 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41994 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=13105, Invalid=98785, Unknown=0, NotChecked=0, Total=111890 [2024-11-07 19:54:45,579 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 551 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 3746 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 4036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 3746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 19:54:45,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 35 Invalid, 4036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 3746 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 19:54:45,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10435 states. [2024-11-07 19:54:46,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10435 to 5222. [2024-11-07 19:54:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5222 states, 5221 states have (on average 1.1386707527293622) internal successors, (5945), 5221 states have internal predecessors, (5945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5222 states to 5222 states and 5945 transitions. [2024-11-07 19:54:46,508 INFO L78 Accepts]: Start accepts. Automaton has 5222 states and 5945 transitions. Word has length 189 [2024-11-07 19:54:46,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:54:46,508 INFO L471 AbstractCegarLoop]: Abstraction has 5222 states and 5945 transitions. [2024-11-07 19:54:46,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 5.234375) internal successors, (335), 64 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:46,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5222 states and 5945 transitions. [2024-11-07 19:54:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 19:54:46,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:54:46,514 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 35, 24, 23, 23, 23, 1, 1, 1, 1] [2024-11-07 19:54:46,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-07 19:54:46,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 19:54:46,715 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:54:46,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:54:46,715 INFO L85 PathProgramCache]: Analyzing trace with hash 740961934, now seen corresponding path program 12 times [2024-11-07 19:54:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:54:46,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512561543] [2024-11-07 19:54:46,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:54:46,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:54:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:54:47,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3753 backedges. 0 proven. 2885 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2024-11-07 19:54:47,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:54:47,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512561543] [2024-11-07 19:54:47,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512561543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:54:47,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666963452] [2024-11-07 19:54:47,278 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-07 19:54:47,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:54:47,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:54:47,280 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:54:47,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-07 19:54:47,384 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s) [2024-11-07 19:54:47,384 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:54:47,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-07 19:54:47,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:54:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3753 backedges. 198 proven. 2687 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2024-11-07 19:54:47,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:54:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3753 backedges. 28 proven. 2857 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2024-11-07 19:54:48,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666963452] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:54:48,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:54:48,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 46 [2024-11-07 19:54:48,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932116232] [2024-11-07 19:54:48,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:54:48,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-07 19:54:48,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:54:48,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-07 19:54:48,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=535, Invalid=1627, Unknown=0, NotChecked=0, Total=2162 [2024-11-07 19:54:48,293 INFO L87 Difference]: Start difference. First operand 5222 states and 5945 transitions. Second operand has 47 states, 46 states have (on average 5.326086956521739) internal successors, (245), 47 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:54:59,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:54:59,629 INFO L93 Difference]: Finished difference Result 18466 states and 22088 transitions. [2024-11-07 19:54:59,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2024-11-07 19:54:59,630 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 5.326086956521739) internal successors, (245), 47 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2024-11-07 19:54:59,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:54:59,674 INFO L225 Difference]: With dead ends: 18466 [2024-11-07 19:54:59,675 INFO L226 Difference]: Without dead ends: 18465 [2024-11-07 19:54:59,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 343 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56444 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=26772, Invalid=91908, Unknown=0, NotChecked=0, Total=118680 [2024-11-07 19:54:59,688 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 73 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 19:54:59,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 28 Invalid, 1422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 19:54:59,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18465 states. [2024-11-07 19:55:01,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18465 to 4425. [2024-11-07 19:55:01,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4425 states, 4424 states have (on average 1.142631103074141) internal successors, (5055), 4424 states have internal predecessors, (5055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:55:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5055 transitions. [2024-11-07 19:55:01,213 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5055 transitions. Word has length 204 [2024-11-07 19:55:01,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:55:01,214 INFO L471 AbstractCegarLoop]: Abstraction has 4425 states and 5055 transitions. [2024-11-07 19:55:01,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 5.326086956521739) internal successors, (245), 47 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:55:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5055 transitions. [2024-11-07 19:55:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-07 19:55:01,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:55:01,220 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 45, 29, 28, 28, 28, 1, 1, 1, 1] [2024-11-07 19:55:01,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-07 19:55:01,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:55:01,420 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:55:01,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:55:01,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1471427025, now seen corresponding path program 13 times [2024-11-07 19:55:01,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:55:01,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599219500] [2024-11-07 19:55:01,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:55:01,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:55:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:55:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5933 backedges. 0 proven. 4713 refuted. 0 times theorem prover too weak. 1220 trivial. 0 not checked. [2024-11-07 19:55:02,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:55:02,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599219500] [2024-11-07 19:55:02,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599219500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:55:02,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599137582] [2024-11-07 19:55:02,036 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-07 19:55:02,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:55:02,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:55:02,038 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:55:02,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-07 19:55:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:55:02,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-07 19:55:02,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:55:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5933 backedges. 2434 proven. 3339 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-07 19:55:03,200 INFO L311 TraceCheckSpWp]: Computing backward predicates...