./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/ps4-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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-nla/ps4-both-nt.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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', '32bit', '--witnessprinter.graph.data.programhash', '63d6964a27a2633defbf4fad0bc200de1e673192bcaa510a6d3539fb9cbd17cb'] 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-nla/ps4-both-nt.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 63d6964a27a2633defbf4fad0bc200de1e673192bcaa510a6d3539fb9cbd17cb --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:00:28,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:00:28,417 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:00:28,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:00:28,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:00:28,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:00:28,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:00:28,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:00:28,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:00:28,448 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:00:28,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:00:28,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:00:28,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:00:28,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:00:28,449 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:00:28,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:00:28,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:00:28,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:00:28,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:00:28,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:00:28,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:00:28,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:00:28,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:00:28,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:00:28,450 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:00:28,450 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:00:28,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:00:28,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:00:28,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:00:28,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:00:28,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:00:28,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:00:28,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:00:28,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:00:28,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:00:28,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:00:28,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:00:28,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:00:28,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:00:28,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:00:28,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:00:28,452 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:00:28,452 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:00:28,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:00:28,452 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63d6964a27a2633defbf4fad0bc200de1e673192bcaa510a6d3539fb9cbd17cb [2024-11-07 20:00:28,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:00:28,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:00:28,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:00:28,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:00:28,676 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:00:28,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/ps4-both-nt.c [2024-11-07 20:00:29,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:00:29,943 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:00:29,945 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-nla/ps4-both-nt.c [2024-11-07 20:00:29,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b18bfa62b/a6a7debf1de6449ea346641c418fa094/FLAG48f193906 [2024-11-07 20:00:29,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b18bfa62b/a6a7debf1de6449ea346641c418fa094 [2024-11-07 20:00:29,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:00:29,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:00:29,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:00:29,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:00:29,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:00:29,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:00:29" (1/1) ... [2024-11-07 20:00:29,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d764209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:29, skipping insertion in model container [2024-11-07 20:00:29,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:00:29" (1/1) ... [2024-11-07 20:00:29,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:00:30,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:00:30,078 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:00:30,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:00:30,097 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:00:30,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30 WrapperNode [2024-11-07 20:00:30,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:00:30,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:00:30,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:00:30,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:00:30,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,118 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2024-11-07 20:00:30,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:00:30,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:00:30,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:00:30,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:00:30,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,134 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 20:00:30,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:00:30,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:00:30,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:00:30,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:00:30,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (1/1) ... [2024-11-07 20:00:30,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:00:30,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:30,168 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 20:00:30,173 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 20:00:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:00:30,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:00:30,228 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:00:30,229 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:00:30,413 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-07 20:00:30,413 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:00:30,420 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:00:30,420 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:00:30,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:00:30 BoogieIcfgContainer [2024-11-07 20:00:30,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:00:30,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:00:30,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:00:30,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:00:30,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:00:29" (1/3) ... [2024-11-07 20:00:30,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31159d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:00:30, skipping insertion in model container [2024-11-07 20:00:30,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:30" (2/3) ... [2024-11-07 20:00:30,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31159d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:00:30, skipping insertion in model container [2024-11-07 20:00:30,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:00:30" (3/3) ... [2024-11-07 20:00:30,428 INFO L112 eAbstractionObserver]: Analyzing ICFG ps4-both-nt.c [2024-11-07 20:00:30,437 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:00:30,438 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-11-07 20:00:30,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:00:30,487 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;@231396de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:00:30,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-07 20:00:30,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 39 states have (on average 1.8974358974358974) internal successors, (74), 71 states have internal predecessors, (74), 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 20:00:30,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-07 20:00:30,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:30,495 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-07 20:00:30,496 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:30,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:30,500 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2024-11-07 20:00:30,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:30,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843345901] [2024-11-07 20:00:30,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:30,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:30,600 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 20:00:30,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:30,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843345901] [2024-11-07 20:00:30,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843345901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:30,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:30,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:00:30,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617039552] [2024-11-07 20:00:30,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:30,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:00:30,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:30,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:00:30,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:00:30,622 INFO L87 Difference]: Start difference. First operand has 72 states, 39 states have (on average 1.8974358974358974) internal successors, (74), 71 states have internal predecessors, (74), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 20:00:30,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:30,690 INFO L93 Difference]: Finished difference Result 111 states and 126 transitions. [2024-11-07 20:00:30,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:00:30,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-07 20:00:30,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:30,696 INFO L225 Difference]: With dead ends: 111 [2024-11-07 20:00:30,696 INFO L226 Difference]: Without dead ends: 97 [2024-11-07 20:00:30,698 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 20:00:30,699 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 49 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:30,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 74 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:00:30,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-07 20:00:30,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 65. [2024-11-07 20:00:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 64 states have internal predecessors, (65), 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 20:00:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2024-11-07 20:00:30,723 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 4 [2024-11-07 20:00:30,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:30,723 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2024-11-07 20:00:30,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 20:00:30,723 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2024-11-07 20:00:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-07 20:00:30,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:30,724 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 20:00:30,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:00:30,724 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:30,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:30,724 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2024-11-07 20:00:30,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:30,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787318997] [2024-11-07 20:00:30,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:30,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:30,747 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 20:00:30,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:30,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787318997] [2024-11-07 20:00:30,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787318997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:30,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:30,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:00:30,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318765921] [2024-11-07 20:00:30,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:30,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:00:30,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:30,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:00:30,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:00:30,749 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 20:00:30,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:30,802 INFO L93 Difference]: Finished difference Result 118 states and 123 transitions. [2024-11-07 20:00:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:00:30,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-07 20:00:30,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:30,804 INFO L225 Difference]: With dead ends: 118 [2024-11-07 20:00:30,804 INFO L226 Difference]: Without dead ends: 114 [2024-11-07 20:00:30,804 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 20:00:30,804 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 48 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:30,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 88 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:00:30,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-07 20:00:30,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2024-11-07 20:00:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 59 states have (on average 1.6779661016949152) internal successors, (99), 85 states have internal predecessors, (99), 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 20:00:30,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 99 transitions. [2024-11-07 20:00:30,810 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 99 transitions. Word has length 5 [2024-11-07 20:00:30,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:30,810 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 99 transitions. [2024-11-07 20:00:30,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 20:00:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2024-11-07 20:00:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 20:00:30,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:30,811 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:30,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:00:30,811 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:30,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:30,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2024-11-07 20:00:30,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:30,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272497849] [2024-11-07 20:00:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:30,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:30,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1015217212] [2024-11-07 20:00:30,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:30,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:30,821 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 20:00:30,822 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 20:00:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:30,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:00:30,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:30,862 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 20:00:30,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:00:30,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:30,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272497849] [2024-11-07 20:00:30,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:00:30,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015217212] [2024-11-07 20:00:30,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015217212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:30,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:30,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:00:30,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712466537] [2024-11-07 20:00:30,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:30,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:00:30,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:30,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:00:30,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:00:30,864 INFO L87 Difference]: Start difference. First operand 86 states and 99 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 20:00:30,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:30,952 INFO L93 Difference]: Finished difference Result 105 states and 108 transitions. [2024-11-07 20:00:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:00:30,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 20:00:30,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:30,953 INFO L225 Difference]: With dead ends: 105 [2024-11-07 20:00:30,953 INFO L226 Difference]: Without dead ends: 93 [2024-11-07 20:00:30,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 20:00:30,954 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 25 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:30,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 47 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:00:30,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-07 20:00:30,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-07 20:00:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 64 states have (on average 1.5) internal successors, (96), 90 states have internal predecessors, (96), 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 20:00:30,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2024-11-07 20:00:30,961 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 7 [2024-11-07 20:00:30,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:30,961 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2024-11-07 20:00:30,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 20:00:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2024-11-07 20:00:30,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-07 20:00:30,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:30,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:30,975 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 20:00:31,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:31,167 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:31,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:31,167 INFO L85 PathProgramCache]: Analyzing trace with hash -636988692, now seen corresponding path program 1 times [2024-11-07 20:00:31,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:31,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648449399] [2024-11-07 20:00:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:31,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:31,227 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 20:00:31,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:31,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648449399] [2024-11-07 20:00:31,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648449399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:31,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:31,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:00:31,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755409091] [2024-11-07 20:00:31,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:31,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:00:31,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:31,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:00:31,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:00:31,230 INFO L87 Difference]: Start difference. First operand 91 states and 96 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 20:00:31,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:31,369 INFO L93 Difference]: Finished difference Result 94 states and 96 transitions. [2024-11-07 20:00:31,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:00:31,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-07 20:00:31,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:31,370 INFO L225 Difference]: With dead ends: 94 [2024-11-07 20:00:31,370 INFO L226 Difference]: Without dead ends: 93 [2024-11-07 20:00:31,370 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 20:00:31,372 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 66 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:31,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 64 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:00:31,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-07 20:00:31,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-07 20:00:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 64 states have (on average 1.484375) internal successors, (95), 90 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 20:00:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 95 transitions. [2024-11-07 20:00:31,389 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 95 transitions. Word has length 12 [2024-11-07 20:00:31,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:31,389 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 95 transitions. [2024-11-07 20:00:31,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 20:00:31,389 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2024-11-07 20:00:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 20:00:31,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:31,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:31,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:00:31,390 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:31,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:31,390 INFO L85 PathProgramCache]: Analyzing trace with hash 616072564, now seen corresponding path program 1 times [2024-11-07 20:00:31,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:31,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780118034] [2024-11-07 20:00:31,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:31,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1570247209] [2024-11-07 20:00:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:31,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:31,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:31,408 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 20:00:31,408 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 20:00:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:31,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:00:31,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:31,516 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 20:00:31,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:00:31,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:31,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780118034] [2024-11-07 20:00:31,517 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:00:31,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570247209] [2024-11-07 20:00:31,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570247209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:31,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:31,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:00:31,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326747403] [2024-11-07 20:00:31,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:31,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:00:31,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:31,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:00:31,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:00:31,518 INFO L87 Difference]: Start difference. First operand 91 states and 95 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20:00:31,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:31,602 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2024-11-07 20:00:31,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:00:31,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2024-11-07 20:00:31,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:31,603 INFO L225 Difference]: With dead ends: 95 [2024-11-07 20:00:31,603 INFO L226 Difference]: Without dead ends: 93 [2024-11-07 20:00:31,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 20:00:31,604 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 12 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:31,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 44 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:00:31,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-07 20:00:31,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-07 20:00:31,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 64 states have (on average 1.453125) internal successors, (93), 90 states have internal predecessors, (93), 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 20:00:31,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 93 transitions. [2024-11-07 20:00:31,611 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 93 transitions. Word has length 20 [2024-11-07 20:00:31,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:31,611 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 93 transitions. [2024-11-07 20:00:31,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20:00:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 93 transitions. [2024-11-07 20:00:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-07 20:00:31,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:31,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:31,625 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 20:00:31,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:31,812 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:31,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:31,813 INFO L85 PathProgramCache]: Analyzing trace with hash 525029535, now seen corresponding path program 1 times [2024-11-07 20:00:31,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:31,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522054673] [2024-11-07 20:00:31,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:31,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:31,888 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 20:00:31,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:31,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522054673] [2024-11-07 20:00:31,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522054673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:31,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:31,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:00:31,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426330109] [2024-11-07 20:00:31,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:31,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:00:31,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:31,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:00:31,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:00:31,890 INFO L87 Difference]: Start difference. First operand 91 states and 93 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 20:00:31,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:31,896 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2024-11-07 20:00:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:00:31,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2024-11-07 20:00:31,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:31,897 INFO L225 Difference]: With dead ends: 91 [2024-11-07 20:00:31,898 INFO L226 Difference]: Without dead ends: 90 [2024-11-07 20:00:31,898 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 20:00:31,898 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 34 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:31,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 60 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:00:31,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-07 20:00:31,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-07 20:00:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 64 states have (on average 1.421875) internal successors, (91), 89 states have internal predecessors, (91), 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 20:00:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2024-11-07 20:00:31,902 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 27 [2024-11-07 20:00:31,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:31,902 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2024-11-07 20:00:31,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 20:00:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2024-11-07 20:00:31,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-07 20:00:31,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:31,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:31,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:00:31,902 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:31,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:31,903 INFO L85 PathProgramCache]: Analyzing trace with hash -903953505, now seen corresponding path program 1 times [2024-11-07 20:00:31,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:31,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363674695] [2024-11-07 20:00:31,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:31,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:31,951 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 20:00:31,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:31,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363674695] [2024-11-07 20:00:31,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363674695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:31,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:31,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:00:31,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152223980] [2024-11-07 20:00:31,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:31,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:00:31,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:31,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:00:31,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:00:31,956 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 20:00:31,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:31,962 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2024-11-07 20:00:31,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:00:31,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2024-11-07 20:00:31,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:31,963 INFO L225 Difference]: With dead ends: 91 [2024-11-07 20:00:31,963 INFO L226 Difference]: Without dead ends: 90 [2024-11-07 20:00:31,963 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 20:00:31,963 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:31,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:00:31,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-07 20:00:31,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-07 20:00:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 64 states have (on average 1.40625) internal successors, (90), 89 states have internal predecessors, (90), 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 20:00:31,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2024-11-07 20:00:31,969 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 28 [2024-11-07 20:00:31,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:31,969 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2024-11-07 20:00:31,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 20:00:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2024-11-07 20:00:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 20:00:31,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:31,970 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:31,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:00:31,970 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:31,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:31,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1341324323, now seen corresponding path program 1 times [2024-11-07 20:00:31,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:31,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979416381] [2024-11-07 20:00:31,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:31,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:31,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730110288] [2024-11-07 20:00:31,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:31,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:31,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:31,988 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 20:00:31,989 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 20:00:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:32,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:00:32,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:32,079 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 20:00:32,080 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:00:32,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:32,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979416381] [2024-11-07 20:00:32,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:00:32,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730110288] [2024-11-07 20:00:32,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730110288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:32,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:32,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:00:32,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255283482] [2024-11-07 20:00:32,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:32,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:00:32,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:32,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:00:32,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:00:32,082 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 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 20:00:32,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:32,212 INFO L93 Difference]: Finished difference Result 142 states and 150 transitions. [2024-11-07 20:00:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:00:32,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 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 32 [2024-11-07 20:00:32,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:32,213 INFO L225 Difference]: With dead ends: 142 [2024-11-07 20:00:32,213 INFO L226 Difference]: Without dead ends: 127 [2024-11-07 20:00:32,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:00:32,214 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 35 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:32,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 48 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:00:32,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-07 20:00:32,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2024-11-07 20:00:32,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 98 states have (on average 1.3775510204081634) internal successors, (135), 123 states have internal predecessors, (135), 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 20:00:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 135 transitions. [2024-11-07 20:00:32,221 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 135 transitions. Word has length 32 [2024-11-07 20:00:32,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:32,221 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 135 transitions. [2024-11-07 20:00:32,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 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 20:00:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 135 transitions. [2024-11-07 20:00:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 20:00:32,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:32,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:32,240 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 20:00:32,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:32,423 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:32,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:32,423 INFO L85 PathProgramCache]: Analyzing trace with hash -982712153, now seen corresponding path program 1 times [2024-11-07 20:00:32,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:32,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649571465] [2024-11-07 20:00:32,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:32,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:32,484 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 20:00:32,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:32,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649571465] [2024-11-07 20:00:32,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649571465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:32,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:32,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:00:32,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988427918] [2024-11-07 20:00:32,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:32,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:00:32,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:32,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:00:32,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:00:32,485 INFO L87 Difference]: Start difference. First operand 124 states and 135 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 20:00:32,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:32,596 INFO L93 Difference]: Finished difference Result 124 states and 135 transitions. [2024-11-07 20:00:32,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:00:32,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2024-11-07 20:00:32,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:32,597 INFO L225 Difference]: With dead ends: 124 [2024-11-07 20:00:32,597 INFO L226 Difference]: Without dead ends: 123 [2024-11-07 20:00:32,597 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 20:00:32,598 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 54 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:32,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 27 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:00:32,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-07 20:00:32,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-07 20:00:32,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 98 states have (on average 1.3571428571428572) internal successors, (133), 122 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 20:00:32,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 133 transitions. [2024-11-07 20:00:32,601 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 133 transitions. Word has length 35 [2024-11-07 20:00:32,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:32,601 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 133 transitions. [2024-11-07 20:00:32,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 20:00:32,601 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2024-11-07 20:00:32,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:00:32,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:32,602 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:32,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:00:32,602 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:32,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:32,602 INFO L85 PathProgramCache]: Analyzing trace with hash -399305561, now seen corresponding path program 1 times [2024-11-07 20:00:32,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:32,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538855598] [2024-11-07 20:00:32,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:32,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:32,664 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 20:00:32,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:32,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538855598] [2024-11-07 20:00:32,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538855598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:32,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:32,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:00:32,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636715327] [2024-11-07 20:00:32,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:32,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:00:32,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:32,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:00:32,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:00:32,665 INFO L87 Difference]: Start difference. First operand 123 states and 133 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 20:00:32,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:32,759 INFO L93 Difference]: Finished difference Result 124 states and 133 transitions. [2024-11-07 20:00:32,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:00:32,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2024-11-07 20:00:32,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:32,760 INFO L225 Difference]: With dead ends: 124 [2024-11-07 20:00:32,760 INFO L226 Difference]: Without dead ends: 123 [2024-11-07 20:00:32,760 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 20:00:32,761 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 29 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:32,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 79 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:00:32,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-07 20:00:32,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-07 20:00:32,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 98 states have (on average 1.346938775510204) internal successors, (132), 122 states have internal predecessors, (132), 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 20:00:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 132 transitions. [2024-11-07 20:00:32,764 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 132 transitions. Word has length 36 [2024-11-07 20:00:32,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:32,764 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 132 transitions. [2024-11-07 20:00:32,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 20:00:32,764 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2024-11-07 20:00:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 20:00:32,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:32,765 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:32,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:00:32,765 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:32,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:32,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1480553463, now seen corresponding path program 1 times [2024-11-07 20:00:32,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:32,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127888039] [2024-11-07 20:00:32,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:32,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:32,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1955703134] [2024-11-07 20:00:32,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:32,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:32,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:32,778 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 20:00:32,780 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 20:00:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:32,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:00:32,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:32,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:32,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:00:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:33,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:33,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127888039] [2024-11-07 20:00:33,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:00:33,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955703134] [2024-11-07 20:00:33,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955703134] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:00:33,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:00:33,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-07 20:00:33,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519477344] [2024-11-07 20:00:33,030 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:00:33,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:00:33,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:33,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:00:33,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:00:33,031 INFO L87 Difference]: Start difference. First operand 123 states and 132 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 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 20:00:33,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:33,274 INFO L93 Difference]: Finished difference Result 137 states and 142 transitions. [2024-11-07 20:00:33,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:00:33,274 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 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 20:00:33,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:33,275 INFO L225 Difference]: With dead ends: 137 [2024-11-07 20:00:33,275 INFO L226 Difference]: Without dead ends: 131 [2024-11-07 20:00:33,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:00:33,275 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 115 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:33,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 39 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:00:33,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-07 20:00:33,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 125. [2024-11-07 20:00:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 124 states have internal predecessors, (130), 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 20:00:33,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 130 transitions. [2024-11-07 20:00:33,282 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 130 transitions. Word has length 38 [2024-11-07 20:00:33,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:33,282 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 130 transitions. [2024-11-07 20:00:33,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 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 20:00:33,282 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2024-11-07 20:00:33,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:00:33,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:33,283 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:33,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 20:00:33,487 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,SelfDestructingSolverStorable10 [2024-11-07 20:00:33,487 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:33,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:33,488 INFO L85 PathProgramCache]: Analyzing trace with hash -633648751, now seen corresponding path program 1 times [2024-11-07 20:00:33,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:33,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156750087] [2024-11-07 20:00:33,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:33,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:33,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1745547793] [2024-11-07 20:00:33,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:33,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:33,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:33,511 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 20:00:33,512 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 20:00:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:33,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:00:33,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:33,667 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:00:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:33,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:33,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156750087] [2024-11-07 20:00:33,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:00:33,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745547793] [2024-11-07 20:00:33,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745547793] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 20:00:33,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:00:33,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-07 20:00:33,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272742302] [2024-11-07 20:00:33,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:33,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:00:33,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:33,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:00:33,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:00:33,771 INFO L87 Difference]: Start difference. First operand 125 states and 130 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 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 20:00:35,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:35,370 INFO L93 Difference]: Finished difference Result 125 states and 130 transitions. [2024-11-07 20:00:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:00:35,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 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) Word has length 46 [2024-11-07 20:00:35,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:35,371 INFO L225 Difference]: With dead ends: 125 [2024-11-07 20:00:35,371 INFO L226 Difference]: Without dead ends: 124 [2024-11-07 20:00:35,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:00:35,371 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 64 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:35,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 13 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 20:00:35,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-07 20:00:35,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-07 20:00:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 101 states have (on average 1.2673267326732673) internal successors, (128), 123 states have internal predecessors, (128), 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 20:00:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 128 transitions. [2024-11-07 20:00:35,374 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 128 transitions. Word has length 46 [2024-11-07 20:00:35,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:35,374 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 128 transitions. [2024-11-07 20:00:35,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 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 20:00:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 128 transitions. [2024-11-07 20:00:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-07 20:00:35,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:35,375 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:35,386 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 20:00:35,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-07 20:00:35,575 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:35,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:35,576 INFO L85 PathProgramCache]: Analyzing trace with hash 632358681, now seen corresponding path program 1 times [2024-11-07 20:00:35,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:35,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747270972] [2024-11-07 20:00:35,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:35,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:35,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:35,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747270972] [2024-11-07 20:00:35,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747270972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:00:35,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445372138] [2024-11-07 20:00:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:35,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:35,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:35,677 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 20:00:35,679 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 20:00:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:35,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:00:35,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:35,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:00:36,585 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:36,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445372138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:00:36,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:00:36,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-07 20:00:36,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270257328] [2024-11-07 20:00:36,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:00:36,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:00:36,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:36,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:00:36,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:00:36,586 INFO L87 Difference]: Start difference. First operand 124 states and 128 transitions. Second operand has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 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 20:00:41,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-07 20:00:41,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:41,288 INFO L93 Difference]: Finished difference Result 124 states and 128 transitions. [2024-11-07 20:00:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:00:41,288 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 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 54 [2024-11-07 20:00:41,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:41,289 INFO L225 Difference]: With dead ends: 124 [2024-11-07 20:00:41,289 INFO L226 Difference]: Without dead ends: 114 [2024-11-07 20:00:41,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:00:41,290 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 40 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:41,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 20 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 240 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-07 20:00:41,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-07 20:00:41,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-07 20:00:41,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.1485148514851484) internal successors, (116), 113 states have internal predecessors, (116), 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 20:00:41,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 116 transitions. [2024-11-07 20:00:41,295 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 116 transitions. Word has length 54 [2024-11-07 20:00:41,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:41,296 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 116 transitions. [2024-11-07 20:00:41,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 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 20:00:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 116 transitions. [2024-11-07 20:00:41,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-07 20:00:41,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:41,298 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:41,315 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 20:00:41,499 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,SelfDestructingSolverStorable12 [2024-11-07 20:00:41,499 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:41,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:41,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1596051524, now seen corresponding path program 1 times [2024-11-07 20:00:41,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:41,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246126622] [2024-11-07 20:00:41,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:41,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:41,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:41,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246126622] [2024-11-07 20:00:41,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246126622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:00:41,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906972080] [2024-11-07 20:00:41,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:41,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:41,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:41,554 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 20:00:41,555 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 20:00:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:41,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:00:41,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:41,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:00:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:41,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906972080] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:00:41,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:00:41,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-07 20:00:41,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950885008] [2024-11-07 20:00:41,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:00:41,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:00:41,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:41,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:00:41,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:00:41,697 INFO L87 Difference]: Start difference. First operand 114 states and 116 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 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 20:00:41,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:41,712 INFO L93 Difference]: Finished difference Result 201 states and 203 transitions. [2024-11-07 20:00:41,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:00:41,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 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 62 [2024-11-07 20:00:41,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:41,714 INFO L225 Difference]: With dead ends: 201 [2024-11-07 20:00:41,714 INFO L226 Difference]: Without dead ends: 200 [2024-11-07 20:00:41,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 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 20:00:41,715 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 31 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:41,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 223 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:00:41,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-07 20:00:41,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 177. [2024-11-07 20:00:41,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 164 states have (on average 1.2195121951219512) internal successors, (200), 176 states have internal predecessors, (200), 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 20:00:41,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 200 transitions. [2024-11-07 20:00:41,720 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 200 transitions. Word has length 62 [2024-11-07 20:00:41,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:41,720 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 200 transitions. [2024-11-07 20:00:41,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 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 20:00:41,720 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 200 transitions. [2024-11-07 20:00:41,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 20:00:41,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:41,721 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:00:41,732 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 20:00:41,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:41,924 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:41,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:41,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1571106376, now seen corresponding path program 1 times [2024-11-07 20:00:41,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:41,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420349016] [2024-11-07 20:00:41,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:41,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:41,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1179343519] [2024-11-07 20:00:41,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:41,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:41,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:41,934 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 20:00:41,935 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 20:00:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:41,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:00:41,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:42,028 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:00:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:42,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:42,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420349016] [2024-11-07 20:00:42,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:00:42,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179343519] [2024-11-07 20:00:42,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179343519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:00:42,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:00:42,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-07 20:00:42,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518354996] [2024-11-07 20:00:42,139 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:00:42,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:00:42,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:42,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:00:42,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:00:42,140 INFO L87 Difference]: Start difference. First operand 177 states and 200 transitions. Second operand has 8 states, 7 states have (on average 18.714285714285715) internal successors, (131), 8 states have internal predecessors, (131), 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 20:00:42,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:42,293 INFO L93 Difference]: Finished difference Result 182 states and 200 transitions. [2024-11-07 20:00:42,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:00:42,294 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 18.714285714285715) internal successors, (131), 8 states have internal predecessors, (131), 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 66 [2024-11-07 20:00:42,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:42,294 INFO L225 Difference]: With dead ends: 182 [2024-11-07 20:00:42,294 INFO L226 Difference]: Without dead ends: 176 [2024-11-07 20:00:42,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:00:42,295 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 113 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:42,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 58 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:00:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-07 20:00:42,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 175. [2024-11-07 20:00:42,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 164 states have (on average 1.1585365853658536) internal successors, (190), 174 states have internal predecessors, (190), 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 20:00:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 190 transitions. [2024-11-07 20:00:42,300 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 190 transitions. Word has length 66 [2024-11-07 20:00:42,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:42,300 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 190 transitions. [2024-11-07 20:00:42,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 18.714285714285715) internal successors, (131), 8 states have internal predecessors, (131), 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 20:00:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 190 transitions. [2024-11-07 20:00:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-07 20:00:42,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:42,302 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-07 20:00:42,314 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 20:00:42,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 20:00:42,506 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:42,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:42,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1887065012, now seen corresponding path program 1 times [2024-11-07 20:00:42,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:42,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756054621] [2024-11-07 20:00:42,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:42,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:42,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536527980] [2024-11-07 20:00:42,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:42,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:42,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:42,516 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 20:00:42,517 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 20:00:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:42,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:00:42,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:42,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:00:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:43,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:43,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756054621] [2024-11-07 20:00:43,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:00:43,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536527980] [2024-11-07 20:00:43,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536527980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:00:43,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:00:43,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-07 20:00:43,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398576004] [2024-11-07 20:00:43,065 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:00:43,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:00:43,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:43,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:00:43,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:00:43,066 INFO L87 Difference]: Start difference. First operand 175 states and 190 transitions. Second operand has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 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 20:00:43,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:43,467 INFO L93 Difference]: Finished difference Result 175 states and 190 transitions. [2024-11-07 20:00:43,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:00:43,468 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 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 70 [2024-11-07 20:00:43,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:43,468 INFO L225 Difference]: With dead ends: 175 [2024-11-07 20:00:43,468 INFO L226 Difference]: Without dead ends: 174 [2024-11-07 20:00:43,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:00:43,469 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 75 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:43,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 38 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:00:43,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-07 20:00:43,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-07 20:00:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 164 states have (on average 1.1402439024390243) internal successors, (187), 173 states have internal predecessors, (187), 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 20:00:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 187 transitions. [2024-11-07 20:00:43,473 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 187 transitions. Word has length 70 [2024-11-07 20:00:43,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:43,473 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 187 transitions. [2024-11-07 20:00:43,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 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 20:00:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 187 transitions. [2024-11-07 20:00:43,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-07 20:00:43,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:43,474 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-07 20:00:43,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-07 20:00:43,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:43,674 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:43,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:43,675 INFO L85 PathProgramCache]: Analyzing trace with hash -726794369, now seen corresponding path program 1 times [2024-11-07 20:00:43,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:43,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796846567] [2024-11-07 20:00:43,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:43,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:43,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [947959087] [2024-11-07 20:00:43,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:43,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:43,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:43,687 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 20:00:43,687 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 20:00:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:43,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:00:43,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:43,878 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:43,878 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:00:44,011 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:44,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:44,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796846567] [2024-11-07 20:00:44,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:00:44,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947959087] [2024-11-07 20:00:44,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947959087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:00:44,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:00:44,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-07 20:00:44,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083985420] [2024-11-07 20:00:44,011 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:00:44,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:00:44,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:44,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:00:44,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:00:44,012 INFO L87 Difference]: Start difference. First operand 174 states and 187 transitions. Second operand has 12 states, 11 states have (on average 13.181818181818182) internal successors, (145), 12 states have internal predecessors, (145), 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 20:00:44,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:44,352 INFO L93 Difference]: Finished difference Result 188 states and 201 transitions. [2024-11-07 20:00:44,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:00:44,352 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.181818181818182) internal successors, (145), 12 states have internal predecessors, (145), 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 73 [2024-11-07 20:00:44,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:44,353 INFO L225 Difference]: With dead ends: 188 [2024-11-07 20:00:44,353 INFO L226 Difference]: Without dead ends: 183 [2024-11-07 20:00:44,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:00:44,353 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 110 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:44,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 68 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:00:44,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-07 20:00:44,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 182. [2024-11-07 20:00:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 175 states have (on average 1.0742857142857143) internal successors, (188), 181 states have internal predecessors, (188), 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 20:00:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 188 transitions. [2024-11-07 20:00:44,357 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 188 transitions. Word has length 73 [2024-11-07 20:00:44,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:44,358 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 188 transitions. [2024-11-07 20:00:44,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.181818181818182) internal successors, (145), 12 states have internal predecessors, (145), 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 20:00:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 188 transitions. [2024-11-07 20:00:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-07 20:00:44,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:44,358 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1] [2024-11-07 20:00:44,370 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 20:00:44,558 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,SelfDestructingSolverStorable16 [2024-11-07 20:00:44,559 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:44,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:44,559 INFO L85 PathProgramCache]: Analyzing trace with hash -2110501157, now seen corresponding path program 1 times [2024-11-07 20:00:44,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:44,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270973906] [2024-11-07 20:00:44,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:44,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:44,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [412960816] [2024-11-07 20:00:44,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:44,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:44,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:44,572 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 20:00:44,572 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 20:00:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:44,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:00:44,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:44,699 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:00:44,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:44,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270973906] [2024-11-07 20:00:44,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:00:44,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412960816] [2024-11-07 20:00:44,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412960816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:44,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:44,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:00:44,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135425527] [2024-11-07 20:00:44,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:44,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:00:44,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:44,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:00:44,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:00:44,700 INFO L87 Difference]: Start difference. First operand 182 states and 188 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 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 20:00:44,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:44,813 INFO L93 Difference]: Finished difference Result 182 states and 188 transitions. [2024-11-07 20:00:44,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:00:44,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 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 101 [2024-11-07 20:00:44,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:44,814 INFO L225 Difference]: With dead ends: 182 [2024-11-07 20:00:44,814 INFO L226 Difference]: Without dead ends: 180 [2024-11-07 20:00:44,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 96 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 20:00:44,814 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 35 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:44,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 47 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:00:44,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-07 20:00:44,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-07 20:00:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 175 states have (on average 1.0457142857142858) internal successors, (183), 179 states have internal predecessors, (183), 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 20:00:44,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 183 transitions. [2024-11-07 20:00:44,822 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 183 transitions. Word has length 101 [2024-11-07 20:00:44,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:44,822 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 183 transitions. [2024-11-07 20:00:44,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 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 20:00:44,822 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 183 transitions. [2024-11-07 20:00:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-07 20:00:44,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:44,822 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-07 20:00:44,836 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 20:00:45,023 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,SelfDestructingSolverStorable17 [2024-11-07 20:00:45,023 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:45,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:45,023 INFO L85 PathProgramCache]: Analyzing trace with hash 2049493438, now seen corresponding path program 1 times [2024-11-07 20:00:45,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:45,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027130897] [2024-11-07 20:00:45,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-07 20:00:45,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:45,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027130897] [2024-11-07 20:00:45,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027130897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:00:45,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:00:45,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:00:45,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294594489] [2024-11-07 20:00:45,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:00:45,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:00:45,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:45,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:00:45,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:00:45,065 INFO L87 Difference]: Start difference. First operand 180 states and 183 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 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 20:00:45,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:45,106 INFO L93 Difference]: Finished difference Result 180 states and 183 transitions. [2024-11-07 20:00:45,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:00:45,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 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) Word has length 111 [2024-11-07 20:00:45,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:45,107 INFO L225 Difference]: With dead ends: 180 [2024-11-07 20:00:45,107 INFO L226 Difference]: Without dead ends: 179 [2024-11-07 20:00:45,107 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 20:00:45,107 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 23 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:45,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 15 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:00:45,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-07 20:00:45,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-07 20:00:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 175 states have (on average 1.0342857142857143) internal successors, (181), 178 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 20:00:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 181 transitions. [2024-11-07 20:00:45,116 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 181 transitions. Word has length 111 [2024-11-07 20:00:45,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:45,116 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 181 transitions. [2024-11-07 20:00:45,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 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 20:00:45,116 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 181 transitions. [2024-11-07 20:00:45,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-07 20:00:45,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:45,117 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-07 20:00:45,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 20:00:45,117 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:45,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:45,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1826793184, now seen corresponding path program 1 times [2024-11-07 20:00:45,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:45,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379665486] [2024-11-07 20:00:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:45,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:45,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1697012083] [2024-11-07 20:00:45,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:45,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:45,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:45,133 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 20:00:45,134 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 20:00:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:45,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:00:45,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:45,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:00:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:45,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:45,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379665486] [2024-11-07 20:00:45,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:00:45,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697012083] [2024-11-07 20:00:45,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697012083] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:00:45,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:00:45,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-07 20:00:45,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113937280] [2024-11-07 20:00:45,443 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:00:45,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:00:45,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:45,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:00:45,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:00:45,444 INFO L87 Difference]: Start difference. First operand 179 states and 181 transitions. Second operand has 10 states, 9 states have (on average 25.0) internal successors, (225), 10 states have internal predecessors, (225), 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 20:00:45,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:45,754 INFO L93 Difference]: Finished difference Result 295 states and 302 transitions. [2024-11-07 20:00:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:00:45,755 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 25.0) internal successors, (225), 10 states have internal predecessors, (225), 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 113 [2024-11-07 20:00:45,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:45,755 INFO L225 Difference]: With dead ends: 295 [2024-11-07 20:00:45,755 INFO L226 Difference]: Without dead ends: 293 [2024-11-07 20:00:45,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:00:45,756 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 117 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:00:45,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 123 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:00:45,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-07 20:00:45,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 287. [2024-11-07 20:00:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 283 states have (on average 1.0353356890459364) internal successors, (293), 286 states have internal predecessors, (293), 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 20:00:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 293 transitions. [2024-11-07 20:00:45,762 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 293 transitions. Word has length 113 [2024-11-07 20:00:45,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:45,762 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 293 transitions. [2024-11-07 20:00:45,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 25.0) internal successors, (225), 10 states have internal predecessors, (225), 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 20:00:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 293 transitions. [2024-11-07 20:00:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 20:00:45,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:45,763 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-07 20:00:45,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-07 20:00:45,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:45,967 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:45,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:45,968 INFO L85 PathProgramCache]: Analyzing trace with hash -421282125, now seen corresponding path program 2 times [2024-11-07 20:00:45,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:45,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785360291] [2024-11-07 20:00:45,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:45,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:00:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:46,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:00:46,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785360291] [2024-11-07 20:00:46,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785360291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:00:46,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610007326] [2024-11-07 20:00:46,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:00:46,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:46,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:46,125 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 20:00:46,126 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 20:00:46,171 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:00:46,171 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:00:46,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:00:46,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:46,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:00:46,451 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:46,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610007326] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:00:46,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:00:46,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-07 20:00:46,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535367904] [2024-11-07 20:00:46,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:00:46,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:00:46,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:00:46,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:00:46,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:00:46,453 INFO L87 Difference]: Start difference. First operand 287 states and 293 transitions. Second operand has 12 states, 11 states have (on average 29.727272727272727) internal successors, (327), 12 states have internal predecessors, (327), 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 20:00:46,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:00:46,478 INFO L93 Difference]: Finished difference Result 382 states and 387 transitions. [2024-11-07 20:00:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:00:46,478 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 29.727272727272727) internal successors, (327), 12 states have internal predecessors, (327), 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 20:00:46,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:00:46,479 INFO L225 Difference]: With dead ends: 382 [2024-11-07 20:00:46,479 INFO L226 Difference]: Without dead ends: 381 [2024-11-07 20:00:46,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:00:46,480 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 25 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 390 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 20:00:46,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 390 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:00:46,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-07 20:00:46,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 372. [2024-11-07 20:00:46,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 368 states have (on average 1.0353260869565217) internal successors, (381), 371 states have internal predecessors, (381), 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 20:00:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 381 transitions. [2024-11-07 20:00:46,488 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 381 transitions. Word has length 164 [2024-11-07 20:00:46,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:00:46,488 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 381 transitions. [2024-11-07 20:00:46,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 29.727272727272727) internal successors, (327), 12 states have internal predecessors, (327), 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 20:00:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 381 transitions. [2024-11-07 20:00:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 20:00:46,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:00:46,489 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1] [2024-11-07 20:00:46,500 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 20:00:46,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:46,690 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-07 20:00:46,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:00:46,691 INFO L85 PathProgramCache]: Analyzing trace with hash 403834288, now seen corresponding path program 2 times [2024-11-07 20:00:46,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:00:46,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834056862] [2024-11-07 20:00:46,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:00:46,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:00:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:00:46,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1982456413] [2024-11-07 20:00:46,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:00:46,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:00:46,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:00:46,712 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 20:00:46,713 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 20:00:46,755 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:00:46,755 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:00:46,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 20:00:46,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:00:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:00:46,918 INFO L311 TraceCheckSpWp]: Computing backward predicates...