./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.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/nla-digbench-scaling/cohendiv-ll_unwindbound50.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', '9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938'] 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/nla-digbench-scaling/cohendiv-ll_unwindbound50.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 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:17:53,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:17:53,289 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:17:53,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:17:53,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:17:53,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:17:53,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:17:53,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:17:53,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:17:53,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:17:53,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:17:53,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:17:53,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:17:53,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:17:53,330 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:17:53,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:17:53,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:17:53,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:17:53,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:17:53,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:17:53,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:17:53,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:17:53,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:17:53,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:17:53,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:17:53,331 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:17:53,331 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:17:53,331 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:17:53,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:17:53,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:17:53,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:17:53,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:17:53,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:17:53,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:17:53,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:17:53,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:17:53,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:17:53,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:17:53,333 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:17:53,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:17:53,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:17:53,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:17:53,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:17:53,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:17:53,333 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 -> 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 [2024-11-07 20:17:53,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:17:53,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:17:53,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:17:53,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:17:53,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:17:53,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2024-11-07 20:17:54,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:17:55,111 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:17:55,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2024-11-07 20:17:55,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/58e9464b7/fc5e503301614338a7579521bf202937/FLAG0763f18f7 [2024-11-07 20:17:55,139 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/58e9464b7/fc5e503301614338a7579521bf202937 [2024-11-07 20:17:55,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:17:55,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:17:55,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:17:55,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:17:55,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:17:55,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ff73c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55, skipping insertion in model container [2024-11-07 20:17:55,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:17:55,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:17:55,315 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:17:55,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:17:55,349 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:17:55,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55 WrapperNode [2024-11-07 20:17:55,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:17:55,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:17:55,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:17:55,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:17:55,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,390 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-07 20:17:55,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:17:55,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:17:55,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:17:55,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:17:55,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,403 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,412 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 20:17:55,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:17:55,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:17:55,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:17:55,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:17:55,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (1/1) ... [2024-11-07 20:17:55,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:17:55,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:17:55,457 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 20:17:55,460 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 20:17:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:17:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:17:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:17:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:17:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:17:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:17:55,537 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:17:55,539 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:17:55,810 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-07 20:17:55,810 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:17:55,821 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:17:55,822 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 20:17:55,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:17:55 BoogieIcfgContainer [2024-11-07 20:17:55,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:17:55,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:17:55,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:17:55,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:17:55,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:17:55" (1/3) ... [2024-11-07 20:17:55,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1790d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:17:55, skipping insertion in model container [2024-11-07 20:17:55,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:55" (2/3) ... [2024-11-07 20:17:55,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1790d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:17:55, skipping insertion in model container [2024-11-07 20:17:55,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:17:55" (3/3) ... [2024-11-07 20:17:55,832 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound50.c [2024-11-07 20:17:55,848 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:17:55,848 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-07 20:17:55,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:17:55,916 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;@59cb9e9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:17:55,917 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-07 20:17:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:17:55,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 20:17:55,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:55,926 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 20:17:55,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:55,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:55,931 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-07 20:17:55,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:55,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69778760] [2024-11-07 20:17:55,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:55,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:56,052 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 20:17:56,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:56,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69778760] [2024-11-07 20:17:56,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69778760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:56,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:56,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:17:56,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206912984] [2024-11-07 20:17:56,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:56,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:17:56,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:56,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:17:56,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:17:56,076 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:17:56,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:56,104 INFO L93 Difference]: Finished difference Result 186 states and 218 transitions. [2024-11-07 20:17:56,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:17:56,105 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 20:17:56,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:56,111 INFO L225 Difference]: With dead ends: 186 [2024-11-07 20:17:56,111 INFO L226 Difference]: Without dead ends: 88 [2024-11-07 20:17:56,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:17:56,120 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:56,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:17:56,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-07 20:17:56,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-07 20:17:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 80 states have internal predecessors, (84), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:17:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2024-11-07 20:17:56,177 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 6 [2024-11-07 20:17:56,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:56,177 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2024-11-07 20:17:56,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:17:56,177 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2024-11-07 20:17:56,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 20:17:56,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:56,178 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 20:17:56,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:17:56,179 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:56,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:56,179 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-07 20:17:56,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:56,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549926704] [2024-11-07 20:17:56,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:56,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:56,275 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 20:17:56,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:56,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549926704] [2024-11-07 20:17:56,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549926704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:56,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:56,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:17:56,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377172448] [2024-11-07 20:17:56,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:56,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:17:56,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:56,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:17:56,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:17:56,278 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:17:56,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:56,340 INFO L93 Difference]: Finished difference Result 126 states and 136 transitions. [2024-11-07 20:17:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:17:56,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 20:17:56,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:56,345 INFO L225 Difference]: With dead ends: 126 [2024-11-07 20:17:56,345 INFO L226 Difference]: Without dead ends: 125 [2024-11-07 20:17:56,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:17:56,346 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 39 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:56,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:17:56,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-07 20:17:56,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 104. [2024-11-07 20:17:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.75) internal successors, (105), 94 states have internal predecessors, (105), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:17:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2024-11-07 20:17:56,361 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 6 [2024-11-07 20:17:56,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:56,361 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2024-11-07 20:17:56,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:17:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2024-11-07 20:17:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 20:17:56,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:56,362 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:17:56,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:17:56,362 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:56,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:56,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-07 20:17:56,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:56,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383010137] [2024-11-07 20:17:56,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:56,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:56,424 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 20:17:56,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:56,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383010137] [2024-11-07 20:17:56,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383010137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:56,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:56,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:17:56,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054292775] [2024-11-07 20:17:56,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:56,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:17:56,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:56,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:17:56,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:17:56,427 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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 20:17:56,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:56,467 INFO L93 Difference]: Finished difference Result 113 states and 128 transitions. [2024-11-07 20:17:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:17:56,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 20:17:56,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:56,471 INFO L225 Difference]: With dead ends: 113 [2024-11-07 20:17:56,471 INFO L226 Difference]: Without dead ends: 104 [2024-11-07 20:17:56,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:17:56,472 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 3 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:56,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:17:56,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-07 20:17:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-07 20:17:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 94 states have internal predecessors, (103), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:17:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2024-11-07 20:17:56,490 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 7 [2024-11-07 20:17:56,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:56,490 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2024-11-07 20:17:56,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 20:17:56,491 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2024-11-07 20:17:56,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 20:17:56,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:56,492 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:17:56,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:17:56,492 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:56,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:56,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-07 20:17:56,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:56,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111271476] [2024-11-07 20:17:56,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:56,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:17:56,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [743665325] [2024-11-07 20:17:56,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:56,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:17:56,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:17:56,515 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 20:17:56,517 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 20:17:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:56,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:17:56,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:17:56,580 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 20:17:56,580 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:17:56,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:56,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111271476] [2024-11-07 20:17:56,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:17:56,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743665325] [2024-11-07 20:17:56,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743665325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:56,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:56,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:17:56,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244260763] [2024-11-07 20:17:56,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:56,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:17:56,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:56,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:17:56,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:17:56,584 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 20:17:56,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:56,663 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2024-11-07 20:17:56,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:17:56,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-07 20:17:56,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:56,665 INFO L225 Difference]: With dead ends: 119 [2024-11-07 20:17:56,665 INFO L226 Difference]: Without dead ends: 117 [2024-11-07 20:17:56,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 20:17:56,666 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 18 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:56,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:17:56,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-07 20:17:56,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 104. [2024-11-07 20:17:56,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 94 states have internal predecessors, (101), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:17:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2024-11-07 20:17:56,674 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 9 [2024-11-07 20:17:56,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:56,674 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2024-11-07 20:17:56,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 20:17:56,674 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-11-07 20:17:56,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 20:17:56,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:56,675 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:17:56,689 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 20:17:56,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:17:56,876 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:56,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:56,876 INFO L85 PathProgramCache]: Analyzing trace with hash 2005702327, now seen corresponding path program 1 times [2024-11-07 20:17:56,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:56,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730269188] [2024-11-07 20:17:56,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:56,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:17:56,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1101232975] [2024-11-07 20:17:56,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:56,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:17:56,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:17:56,901 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 20:17:56,903 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 20:17:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:56,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:17:56,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:17:56,984 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 20:17:56,985 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:17:56,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:56,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730269188] [2024-11-07 20:17:56,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:17:56,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101232975] [2024-11-07 20:17:56,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101232975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:56,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:56,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:17:56,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882403602] [2024-11-07 20:17:56,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:56,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:17:56,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:56,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:17:56,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:17:56,986 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:17:57,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:57,074 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2024-11-07 20:17:57,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:17:57,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-07 20:17:57,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:57,076 INFO L225 Difference]: With dead ends: 160 [2024-11-07 20:17:57,076 INFO L226 Difference]: Without dead ends: 154 [2024-11-07 20:17:57,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 20:17:57,077 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:57,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 142 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:17:57,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-07 20:17:57,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2024-11-07 20:17:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 117 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:17:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2024-11-07 20:17:57,097 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 16 [2024-11-07 20:17:57,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:57,097 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2024-11-07 20:17:57,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:17:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2024-11-07 20:17:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 20:17:57,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:57,097 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:17:57,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 20:17:57,298 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 20:17:57,298 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:57,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:57,299 INFO L85 PathProgramCache]: Analyzing trace with hash -960377671, now seen corresponding path program 1 times [2024-11-07 20:17:57,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:57,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467053737] [2024-11-07 20:17:57,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:57,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:17:57,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476592630] [2024-11-07 20:17:57,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:57,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:17:57,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:17:57,318 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 20:17:57,325 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 20:17:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:57,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:17:57,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:17:57,449 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 20:17:57,450 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:17:57,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:57,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467053737] [2024-11-07 20:17:57,450 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:17:57,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476592630] [2024-11-07 20:17:57,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476592630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:57,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:57,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:17:57,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938250951] [2024-11-07 20:17:57,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:57,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:17:57,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:57,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:17:57,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:17:57,454 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:17:57,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:57,622 INFO L93 Difference]: Finished difference Result 153 states and 173 transitions. [2024-11-07 20:17:57,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:17:57,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-07 20:17:57,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:57,623 INFO L225 Difference]: With dead ends: 153 [2024-11-07 20:17:57,623 INFO L226 Difference]: Without dead ends: 150 [2024-11-07 20:17:57,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 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 20:17:57,624 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 182 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:57,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:17:57,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-07 20:17:57,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 133. [2024-11-07 20:17:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 118 states have internal predecessors, (141), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:17:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 165 transitions. [2024-11-07 20:17:57,640 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 165 transitions. Word has length 18 [2024-11-07 20:17:57,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:57,640 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 165 transitions. [2024-11-07 20:17:57,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:17:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 165 transitions. [2024-11-07 20:17:57,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 20:17:57,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:57,641 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:17:57,654 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 20:17:57,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:17:57,842 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:57,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:57,842 INFO L85 PathProgramCache]: Analyzing trace with hash 293063337, now seen corresponding path program 1 times [2024-11-07 20:17:57,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:57,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420792085] [2024-11-07 20:17:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:57,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:17:57,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [165751383] [2024-11-07 20:17:57,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:57,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:17:57,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:17:57,858 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 20:17:57,861 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 20:17:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:57,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:17:57,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:17:57,979 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 20:17:57,979 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:17:57,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:57,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420792085] [2024-11-07 20:17:57,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:17:57,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165751383] [2024-11-07 20:17:57,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165751383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:57,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:57,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:17:57,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38619198] [2024-11-07 20:17:57,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:57,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:17:57,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:57,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:17:57,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:17:57,980 INFO L87 Difference]: Start difference. First operand 133 states and 165 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:17:58,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:58,119 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2024-11-07 20:17:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:17:58,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-07 20:17:58,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:58,121 INFO L225 Difference]: With dead ends: 153 [2024-11-07 20:17:58,121 INFO L226 Difference]: Without dead ends: 146 [2024-11-07 20:17:58,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 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 20:17:58,122 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 178 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:58,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:17:58,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-07 20:17:58,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2024-11-07 20:17:58,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 82 states have (on average 1.646341463414634) internal successors, (135), 115 states have internal predecessors, (135), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:17:58,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 159 transitions. [2024-11-07 20:17:58,133 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 159 transitions. Word has length 19 [2024-11-07 20:17:58,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:58,133 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 159 transitions. [2024-11-07 20:17:58,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:17:58,133 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2024-11-07 20:17:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-07 20:17:58,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:58,134 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:17:58,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 20:17:58,334 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,SelfDestructingSolverStorable6 [2024-11-07 20:17:58,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:58,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:58,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1200878525, now seen corresponding path program 1 times [2024-11-07 20:17:58,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:58,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24260017] [2024-11-07 20:17:58,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:58,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:58,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:17:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:58,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:17:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:17:58,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:58,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24260017] [2024-11-07 20:17:58,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24260017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:58,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:58,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:17:58,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931541136] [2024-11-07 20:17:58,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:58,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:17:58,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:58,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:17:58,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:17:58,442 INFO L87 Difference]: Start difference. First operand 130 states and 159 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:17:58,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:58,513 INFO L93 Difference]: Finished difference Result 130 states and 159 transitions. [2024-11-07 20:17:58,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:17:58,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-07 20:17:58,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:58,515 INFO L225 Difference]: With dead ends: 130 [2024-11-07 20:17:58,516 INFO L226 Difference]: Without dead ends: 128 [2024-11-07 20:17:58,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:17:58,516 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 149 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:58,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 247 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:17:58,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-07 20:17:58,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-07 20:17:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 82 states have (on average 1.6097560975609757) internal successors, (132), 113 states have internal predecessors, (132), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:17:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2024-11-07 20:17:58,526 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 27 [2024-11-07 20:17:58,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:58,526 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2024-11-07 20:17:58,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:17:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2024-11-07 20:17:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-07 20:17:58,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:58,527 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:17:58,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:17:58,527 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:58,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:58,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1427471308, now seen corresponding path program 1 times [2024-11-07 20:17:58,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:58,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051772359] [2024-11-07 20:17:58,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:58,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:58,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:17:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:58,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:17:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:17:58,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:58,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051772359] [2024-11-07 20:17:58,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051772359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:58,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:58,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:17:58,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983121900] [2024-11-07 20:17:58,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:58,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:17:58,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:58,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:17:58,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:17:58,615 INFO L87 Difference]: Start difference. First operand 128 states and 156 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:17:58,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:58,681 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2024-11-07 20:17:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:17:58,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-07 20:17:58,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:58,683 INFO L225 Difference]: With dead ends: 214 [2024-11-07 20:17:58,683 INFO L226 Difference]: Without dead ends: 132 [2024-11-07 20:17:58,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:17:58,684 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:58,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 347 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:17:58,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-07 20:17:58,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-07 20:17:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 86 states have (on average 1.5813953488372092) internal successors, (136), 117 states have internal predecessors, (136), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:17:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2024-11-07 20:17:58,705 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 28 [2024-11-07 20:17:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:58,705 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2024-11-07 20:17:58,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:17:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2024-11-07 20:17:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-07 20:17:58,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:58,706 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:17:58,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:17:58,706 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:58,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:58,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1705356810, now seen corresponding path program 1 times [2024-11-07 20:17:58,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:58,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507298270] [2024-11-07 20:17:58,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:58,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:17:58,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1665726727] [2024-11-07 20:17:58,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:58,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:17:58,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:17:58,731 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 20:17:58,732 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 20:17:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:58,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:17:58,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:17:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:17:58,826 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:17:58,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:58,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507298270] [2024-11-07 20:17:58,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:17:58,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665726727] [2024-11-07 20:17:58,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665726727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:58,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:58,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:17:58,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887064261] [2024-11-07 20:17:58,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:58,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:17:58,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:58,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:17:58,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:17:58,829 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:17:59,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:59,072 INFO L93 Difference]: Finished difference Result 206 states and 277 transitions. [2024-11-07 20:17:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:17:59,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-07 20:17:59,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:59,074 INFO L225 Difference]: With dead ends: 206 [2024-11-07 20:17:59,075 INFO L226 Difference]: Without dead ends: 201 [2024-11-07 20:17:59,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:17:59,075 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 117 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:59,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 96 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:17:59,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-07 20:17:59,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 183. [2024-11-07 20:17:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 129 states have (on average 1.5891472868217054) internal successors, (205), 160 states have internal predecessors, (205), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:17:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 245 transitions. [2024-11-07 20:17:59,092 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 245 transitions. Word has length 30 [2024-11-07 20:17:59,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:59,092 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 245 transitions. [2024-11-07 20:17:59,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:17:59,092 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2024-11-07 20:17:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-07 20:17:59,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:59,093 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:17:59,109 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 20:17:59,297 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,SelfDestructingSolverStorable9 [2024-11-07 20:17:59,298 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:59,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:59,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1326453468, now seen corresponding path program 1 times [2024-11-07 20:17:59,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:59,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211363240] [2024-11-07 20:17:59,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:59,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:17:59,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1939530942] [2024-11-07 20:17:59,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:59,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:17:59,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:17:59,314 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 20:17:59,316 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 20:17:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:59,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:17:59,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:17:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:17:59,410 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:17:59,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:59,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211363240] [2024-11-07 20:17:59,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:17:59,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939530942] [2024-11-07 20:17:59,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939530942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:59,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:59,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:17:59,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291653937] [2024-11-07 20:17:59,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:59,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:17:59,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:59,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:17:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:17:59,413 INFO L87 Difference]: Start difference. First operand 183 states and 245 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:17:59,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:17:59,546 INFO L93 Difference]: Finished difference Result 204 states and 268 transitions. [2024-11-07 20:17:59,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:17:59,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-07 20:17:59,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:17:59,548 INFO L225 Difference]: With dead ends: 204 [2024-11-07 20:17:59,548 INFO L226 Difference]: Without dead ends: 201 [2024-11-07 20:17:59,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:17:59,549 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 115 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:17:59,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 96 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:17:59,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-07 20:17:59,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 184. [2024-11-07 20:17:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 130 states have (on average 1.5538461538461539) internal successors, (202), 161 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:17:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 242 transitions. [2024-11-07 20:17:59,565 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 242 transitions. Word has length 31 [2024-11-07 20:17:59,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:17:59,565 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 242 transitions. [2024-11-07 20:17:59,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:17:59,565 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 242 transitions. [2024-11-07 20:17:59,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-07 20:17:59,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:17:59,568 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:17:59,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 20:17:59,768 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,SelfDestructingSolverStorable10 [2024-11-07 20:17:59,769 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:17:59,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:17:59,769 INFO L85 PathProgramCache]: Analyzing trace with hash 591737897, now seen corresponding path program 1 times [2024-11-07 20:17:59,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:17:59,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092450674] [2024-11-07 20:17:59,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:17:59,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:17:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:59,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:17:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:59,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:17:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:59,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:17:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:59,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:17:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:59,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:17:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:17:59,866 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:17:59,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:17:59,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092450674] [2024-11-07 20:17:59,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092450674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:17:59,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:17:59,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:17:59,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050615017] [2024-11-07 20:17:59,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:17:59,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:17:59,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:17:59,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:17:59,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:17:59,870 INFO L87 Difference]: Start difference. First operand 184 states and 242 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:00,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:00,331 INFO L93 Difference]: Finished difference Result 219 states and 271 transitions. [2024-11-07 20:18:00,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:18:00,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-11-07 20:18:00,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:00,351 INFO L225 Difference]: With dead ends: 219 [2024-11-07 20:18:00,352 INFO L226 Difference]: Without dead ends: 217 [2024-11-07 20:18:00,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 20:18:00,352 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 133 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:00,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 90 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:18:00,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-07 20:18:00,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 186. [2024-11-07 20:18:00,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 132 states have (on average 1.5303030303030303) internal successors, (202), 163 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:18:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 242 transitions. [2024-11-07 20:18:00,365 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 242 transitions. Word has length 51 [2024-11-07 20:18:00,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:00,366 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 242 transitions. [2024-11-07 20:18:00,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:00,366 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2024-11-07 20:18:00,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-07 20:18:00,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:00,367 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:00,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 20:18:00,367 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:00,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:00,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1164005728, now seen corresponding path program 1 times [2024-11-07 20:18:00,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:00,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494273961] [2024-11-07 20:18:00,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:00,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:18:00,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:00,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494273961] [2024-11-07 20:18:00,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494273961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:00,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:00,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:18:00,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060704488] [2024-11-07 20:18:00,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:00,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:18:00,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:00,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:18:00,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:18:00,462 INFO L87 Difference]: Start difference. First operand 186 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:00,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:00,615 INFO L93 Difference]: Finished difference Result 219 states and 267 transitions. [2024-11-07 20:18:00,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:18:00,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2024-11-07 20:18:00,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:00,617 INFO L225 Difference]: With dead ends: 219 [2024-11-07 20:18:00,617 INFO L226 Difference]: Without dead ends: 217 [2024-11-07 20:18:00,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 20:18:00,618 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 130 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:00,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 92 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:18:00,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-07 20:18:00,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 188. [2024-11-07 20:18:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 134 states have (on average 1.507462686567164) internal successors, (202), 165 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:18:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 242 transitions. [2024-11-07 20:18:00,630 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 242 transitions. Word has length 52 [2024-11-07 20:18:00,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:00,630 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 242 transitions. [2024-11-07 20:18:00,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2024-11-07 20:18:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-07 20:18:00,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:00,631 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:00,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 20:18:00,631 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:00,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:00,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1918011170, now seen corresponding path program 1 times [2024-11-07 20:18:00,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:00,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432604384] [2024-11-07 20:18:00,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:00,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,767 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:18:00,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:00,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432604384] [2024-11-07 20:18:00,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432604384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:00,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:00,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:18:00,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434144325] [2024-11-07 20:18:00,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:00,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:18:00,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:00,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:18:00,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:18:00,768 INFO L87 Difference]: Start difference. First operand 188 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 20:18:00,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:00,842 INFO L93 Difference]: Finished difference Result 188 states and 242 transitions. [2024-11-07 20:18:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:18:00,843 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-11-07 20:18:00,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:00,845 INFO L225 Difference]: With dead ends: 188 [2024-11-07 20:18:00,845 INFO L226 Difference]: Without dead ends: 187 [2024-11-07 20:18:00,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:18:00,846 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 31 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:00,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 72 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:18:00,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-07 20:18:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-07 20:18:00,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4776119402985075) internal successors, (198), 164 states have internal predecessors, (198), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:18:00,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 238 transitions. [2024-11-07 20:18:00,862 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 238 transitions. Word has length 54 [2024-11-07 20:18:00,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:00,863 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 238 transitions. [2024-11-07 20:18:00,863 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 20:18:00,864 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 238 transitions. [2024-11-07 20:18:00,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-07 20:18:00,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:00,864 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:00,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 20:18:00,866 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:00,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:00,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1918011128, now seen corresponding path program 1 times [2024-11-07 20:18:00,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:00,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221459652] [2024-11-07 20:18:00,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:00,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:18:00,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:00,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221459652] [2024-11-07 20:18:00,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221459652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:00,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:00,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:18:00,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296567622] [2024-11-07 20:18:00,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:00,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:18:00,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:00,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:18:00,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:18:00,964 INFO L87 Difference]: Start difference. First operand 187 states and 238 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:01,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:01,018 INFO L93 Difference]: Finished difference Result 192 states and 238 transitions. [2024-11-07 20:18:01,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:18:01,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-07 20:18:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:01,020 INFO L225 Difference]: With dead ends: 192 [2024-11-07 20:18:01,020 INFO L226 Difference]: Without dead ends: 191 [2024-11-07 20:18:01,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 20:18:01,021 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 14 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:01,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 146 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:18:01,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-07 20:18:01,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 187. [2024-11-07 20:18:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4701492537313432) internal successors, (197), 164 states have internal predecessors, (197), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:18:01,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 237 transitions. [2024-11-07 20:18:01,038 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 237 transitions. Word has length 54 [2024-11-07 20:18:01,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:01,038 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 237 transitions. [2024-11-07 20:18:01,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:01,038 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 237 transitions. [2024-11-07 20:18:01,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:18:01,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:01,039 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:01,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 20:18:01,040 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:01,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:01,040 INFO L85 PathProgramCache]: Analyzing trace with hash -671195760, now seen corresponding path program 1 times [2024-11-07 20:18:01,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:01,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008717313] [2024-11-07 20:18:01,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:01,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,148 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:18:01,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:01,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008717313] [2024-11-07 20:18:01,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008717313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:01,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:01,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:18:01,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781567167] [2024-11-07 20:18:01,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:01,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:18:01,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:01,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:18:01,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:18:01,150 INFO L87 Difference]: Start difference. First operand 187 states and 237 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:01,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:01,583 INFO L93 Difference]: Finished difference Result 259 states and 327 transitions. [2024-11-07 20:18:01,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:18:01,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-07 20:18:01,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:01,585 INFO L225 Difference]: With dead ends: 259 [2024-11-07 20:18:01,585 INFO L226 Difference]: Without dead ends: 258 [2024-11-07 20:18:01,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:18:01,586 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 317 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:01,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 278 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:18:01,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-07 20:18:01,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 222. [2024-11-07 20:18:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 194 states have internal predecessors, (241), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 20:18:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 291 transitions. [2024-11-07 20:18:01,606 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 291 transitions. Word has length 55 [2024-11-07 20:18:01,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:01,607 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 291 transitions. [2024-11-07 20:18:01,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 291 transitions. [2024-11-07 20:18:01,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:18:01,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:01,607 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:01,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 20:18:01,608 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:01,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:01,608 INFO L85 PathProgramCache]: Analyzing trace with hash -671197042, now seen corresponding path program 1 times [2024-11-07 20:18:01,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:01,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356133260] [2024-11-07 20:18:01,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:01,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:18:01,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:01,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356133260] [2024-11-07 20:18:01,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356133260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:01,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:01,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:18:01,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856822009] [2024-11-07 20:18:01,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:01,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:18:01,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:01,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:18:01,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:18:01,689 INFO L87 Difference]: Start difference. First operand 222 states and 291 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 20:18:01,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:01,790 INFO L93 Difference]: Finished difference Result 368 states and 495 transitions. [2024-11-07 20:18:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:18:01,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2024-11-07 20:18:01,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:01,792 INFO L225 Difference]: With dead ends: 368 [2024-11-07 20:18:01,792 INFO L226 Difference]: Without dead ends: 367 [2024-11-07 20:18:01,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:18:01,793 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 192 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:01,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 217 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:18:01,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-07 20:18:01,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 334. [2024-11-07 20:18:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 261 states have (on average 1.5134099616858236) internal successors, (395), 291 states have internal predecessors, (395), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 20:18:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 475 transitions. [2024-11-07 20:18:01,814 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 475 transitions. Word has length 55 [2024-11-07 20:18:01,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:01,814 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 475 transitions. [2024-11-07 20:18:01,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 20:18:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 475 transitions. [2024-11-07 20:18:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 20:18:01,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:01,815 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:01,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 20:18:01,815 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:01,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:01,816 INFO L85 PathProgramCache]: Analyzing trace with hash 667728314, now seen corresponding path program 1 times [2024-11-07 20:18:01,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:01,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322539952] [2024-11-07 20:18:01,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:01,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:18:01,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:01,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322539952] [2024-11-07 20:18:01,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322539952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:01,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:01,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:18:01,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572884856] [2024-11-07 20:18:01,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:01,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:18:01,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:01,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:18:01,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:18:01,903 INFO L87 Difference]: Start difference. First operand 334 states and 475 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:02,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:02,145 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions. [2024-11-07 20:18:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:18:02,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-11-07 20:18:02,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:02,148 INFO L225 Difference]: With dead ends: 361 [2024-11-07 20:18:02,148 INFO L226 Difference]: Without dead ends: 359 [2024-11-07 20:18:02,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:18:02,149 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:02,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 165 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:18:02,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-07 20:18:02,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 338. [2024-11-07 20:18:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 265 states have (on average 1.5056603773584907) internal successors, (399), 295 states have internal predecessors, (399), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 20:18:02,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 479 transitions. [2024-11-07 20:18:02,176 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 479 transitions. Word has length 56 [2024-11-07 20:18:02,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:02,176 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 479 transitions. [2024-11-07 20:18:02,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:02,177 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 479 transitions. [2024-11-07 20:18:02,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-07 20:18:02,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:02,177 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:02,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 20:18:02,178 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:02,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:02,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1689996578, now seen corresponding path program 1 times [2024-11-07 20:18:02,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:02,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180653172] [2024-11-07 20:18:02,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:02,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:02,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:02,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:02,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:02,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:02,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:18:02,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:02,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180653172] [2024-11-07 20:18:02,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180653172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:02,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696476171] [2024-11-07 20:18:02,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:02,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:02,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:02,276 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 20:18:02,278 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 20:18:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:02,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:18:02,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:18:02,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:18:02,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696476171] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:02,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:18:02,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2024-11-07 20:18:02,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384487731] [2024-11-07 20:18:02,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:02,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:18:02,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:02,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:18:02,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:18:02,577 INFO L87 Difference]: Start difference. First operand 338 states and 479 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:02,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:02,719 INFO L93 Difference]: Finished difference Result 373 states and 504 transitions. [2024-11-07 20:18:02,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:18:02,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-07 20:18:02,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:02,722 INFO L225 Difference]: With dead ends: 373 [2024-11-07 20:18:02,722 INFO L226 Difference]: Without dead ends: 371 [2024-11-07 20:18:02,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:18:02,723 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 110 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:02,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 394 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:18:02,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-07 20:18:02,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 346. [2024-11-07 20:18:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 271 states have (on average 1.4649446494464944) internal successors, (397), 301 states have internal predecessors, (397), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 20:18:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 477 transitions. [2024-11-07 20:18:02,753 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 477 transitions. Word has length 60 [2024-11-07 20:18:02,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:02,753 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 477 transitions. [2024-11-07 20:18:02,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:18:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 477 transitions. [2024-11-07 20:18:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-07 20:18:02,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:02,754 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:02,770 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 20:18:02,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:02,955 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:02,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:02,955 INFO L85 PathProgramCache]: Analyzing trace with hash -589071846, now seen corresponding path program 1 times [2024-11-07 20:18:02,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:02,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457173807] [2024-11-07 20:18:02,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:02,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:03,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:03,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:03,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:03,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:18:03,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:03,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457173807] [2024-11-07 20:18:03,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457173807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:03,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632304792] [2024-11-07 20:18:03,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:03,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:03,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:03,073 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 20:18:03,076 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 20:18:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:03,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:18:03,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:18:03,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:18:03,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632304792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:18:03,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:18:03,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-07 20:18:03,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766771927] [2024-11-07 20:18:03,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:03,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:18:03,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:03,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:18:03,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:18:03,330 INFO L87 Difference]: Start difference. First operand 346 states and 477 transitions. Second operand has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-07 20:18:03,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:03,528 INFO L93 Difference]: Finished difference Result 637 states and 826 transitions. [2024-11-07 20:18:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 20:18:03,529 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 62 [2024-11-07 20:18:03,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:03,531 INFO L225 Difference]: With dead ends: 637 [2024-11-07 20:18:03,531 INFO L226 Difference]: Without dead ends: 478 [2024-11-07 20:18:03,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:18:03,532 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 175 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:03,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 618 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:18:03,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-07 20:18:03,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 433. [2024-11-07 20:18:03,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 344 states have (on average 1.433139534883721) internal successors, (493), 376 states have internal predecessors, (493), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 20:18:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 593 transitions. [2024-11-07 20:18:03,568 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 593 transitions. Word has length 62 [2024-11-07 20:18:03,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:03,568 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 593 transitions. [2024-11-07 20:18:03,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-07 20:18:03,569 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 593 transitions. [2024-11-07 20:18:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 20:18:03,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:03,571 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:03,587 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 20:18:03,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:03,776 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:03,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:03,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1439624477, now seen corresponding path program 1 times [2024-11-07 20:18:03,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:03,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036734950] [2024-11-07 20:18:03,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:03,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:03,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1712877282] [2024-11-07 20:18:03,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:03,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:03,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:03,792 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 20:18:03,794 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 20:18:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:03,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:18:03,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:18:04,143 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:18:04,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:04,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036734950] [2024-11-07 20:18:04,143 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:04,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712877282] [2024-11-07 20:18:04,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712877282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:04,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:04,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:18:04,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632005582] [2024-11-07 20:18:04,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:04,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:18:04,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:04,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:18:04,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:18:04,145 INFO L87 Difference]: Start difference. First operand 433 states and 593 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:04,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:04,542 INFO L93 Difference]: Finished difference Result 626 states and 867 transitions. [2024-11-07 20:18:04,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:18:04,542 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2024-11-07 20:18:04,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:04,545 INFO L225 Difference]: With dead ends: 626 [2024-11-07 20:18:04,545 INFO L226 Difference]: Without dead ends: 617 [2024-11-07 20:18:04,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:18:04,546 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 286 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:04,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 182 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:18:04,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-07 20:18:04,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 588. [2024-11-07 20:18:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 479 states have (on average 1.407098121085595) internal successors, (674), 511 states have internal predecessors, (674), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-07 20:18:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 814 transitions. [2024-11-07 20:18:04,585 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 814 transitions. Word has length 69 [2024-11-07 20:18:04,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:04,585 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 814 transitions. [2024-11-07 20:18:04,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 814 transitions. [2024-11-07 20:18:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-07 20:18:04,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:04,586 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:04,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 20:18:04,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:04,787 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:04,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:04,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1678685765, now seen corresponding path program 1 times [2024-11-07 20:18:04,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:04,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53297373] [2024-11-07 20:18:04,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:04,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:04,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703826876] [2024-11-07 20:18:04,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:04,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:04,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:04,804 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 20:18:04,806 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 20:18:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:04,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:18:04,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:18:05,135 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:05,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:05,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53297373] [2024-11-07 20:18:05,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:05,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703826876] [2024-11-07 20:18:05,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703826876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:05,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:05,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:18:05,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872184358] [2024-11-07 20:18:05,869 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:05,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:18:05,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:05,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:18:05,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:18:05,870 INFO L87 Difference]: Start difference. First operand 588 states and 814 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:06,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:06,167 INFO L93 Difference]: Finished difference Result 657 states and 894 transitions. [2024-11-07 20:18:06,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:18:06,167 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-11-07 20:18:06,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:06,170 INFO L225 Difference]: With dead ends: 657 [2024-11-07 20:18:06,170 INFO L226 Difference]: Without dead ends: 654 [2024-11-07 20:18:06,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:18:06,172 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 222 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:06,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 192 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:18:06,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-07 20:18:06,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 619. [2024-11-07 20:18:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 506 states have (on average 1.4051383399209487) internal successors, (711), 537 states have internal predecessors, (711), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-07 20:18:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 859 transitions. [2024-11-07 20:18:06,213 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 859 transitions. Word has length 70 [2024-11-07 20:18:06,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:06,213 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 859 transitions. [2024-11-07 20:18:06,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 859 transitions. [2024-11-07 20:18:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 20:18:06,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:06,214 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:06,231 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 20:18:06,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:06,417 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:06,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:06,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1783774041, now seen corresponding path program 1 times [2024-11-07 20:18:06,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:06,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259792174] [2024-11-07 20:18:06,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:06,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:06,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1380875956] [2024-11-07 20:18:06,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:06,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:06,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:06,434 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 20:18:06,436 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 20:18:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:06,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:18:06,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:18:06,652 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:18:06,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:06,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259792174] [2024-11-07 20:18:06,652 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:06,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380875956] [2024-11-07 20:18:06,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380875956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:06,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:06,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:18:06,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776832624] [2024-11-07 20:18:06,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:06,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:18:06,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:06,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:18:06,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:18:06,654 INFO L87 Difference]: Start difference. First operand 619 states and 859 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:06,946 INFO L93 Difference]: Finished difference Result 658 states and 927 transitions. [2024-11-07 20:18:06,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:18:06,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-07 20:18:06,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:06,949 INFO L225 Difference]: With dead ends: 658 [2024-11-07 20:18:06,950 INFO L226 Difference]: Without dead ends: 654 [2024-11-07 20:18:06,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:18:06,950 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 134 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:06,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 214 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:18:06,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-07 20:18:06,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 615. [2024-11-07 20:18:06,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 506 states have (on average 1.3794466403162056) internal successors, (698), 533 states have internal predecessors, (698), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-07 20:18:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 846 transitions. [2024-11-07 20:18:06,987 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 846 transitions. Word has length 71 [2024-11-07 20:18:06,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:06,987 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 846 transitions. [2024-11-07 20:18:06,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:06,987 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 846 transitions. [2024-11-07 20:18:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 20:18:06,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:06,988 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:07,004 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 20:18:07,189 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,SelfDestructingSolverStorable22 [2024-11-07 20:18:07,190 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:07,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:07,191 INFO L85 PathProgramCache]: Analyzing trace with hash -499651099, now seen corresponding path program 1 times [2024-11-07 20:18:07,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:07,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553105750] [2024-11-07 20:18:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:07,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:07,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:07,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:07,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:07,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:07,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:07,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 20:18:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:07,279 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:18:07,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:07,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553105750] [2024-11-07 20:18:07,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553105750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:07,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:07,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:18:07,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21399740] [2024-11-07 20:18:07,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:07,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:18:07,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:07,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:18:07,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:18:07,281 INFO L87 Difference]: Start difference. First operand 615 states and 846 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:08,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:08,493 INFO L93 Difference]: Finished difference Result 886 states and 1244 transitions. [2024-11-07 20:18:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:18:08,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-07 20:18:08,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:08,498 INFO L225 Difference]: With dead ends: 886 [2024-11-07 20:18:08,498 INFO L226 Difference]: Without dead ends: 883 [2024-11-07 20:18:08,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:18:08,499 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 142 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:08,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 237 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 20:18:08,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-07 20:18:08,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 634. [2024-11-07 20:18:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 522 states have (on average 1.3639846743295019) internal successors, (712), 548 states have internal predecessors, (712), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 20:18:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 868 transitions. [2024-11-07 20:18:08,546 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 868 transitions. Word has length 71 [2024-11-07 20:18:08,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:08,547 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 868 transitions. [2024-11-07 20:18:08,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 868 transitions. [2024-11-07 20:18:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-07 20:18:08,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:08,548 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:08,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 20:18:08,548 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:08,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:08,549 INFO L85 PathProgramCache]: Analyzing trace with hash -537579487, now seen corresponding path program 1 times [2024-11-07 20:18:08,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:08,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671149790] [2024-11-07 20:18:08,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:08,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:08,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415846604] [2024-11-07 20:18:08,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:08,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:08,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:08,568 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 20:18:08,569 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 20:18:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:08,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:18:08,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:18:08,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:09,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:09,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671149790] [2024-11-07 20:18:09,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:09,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415846604] [2024-11-07 20:18:09,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415846604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:09,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:09,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:18:09,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321402582] [2024-11-07 20:18:09,152 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:09,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:18:09,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:09,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:18:09,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:18:09,152 INFO L87 Difference]: Start difference. First operand 634 states and 868 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:09,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:09,435 INFO L93 Difference]: Finished difference Result 1002 states and 1431 transitions. [2024-11-07 20:18:09,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:18:09,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-07 20:18:09,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:09,440 INFO L225 Difference]: With dead ends: 1002 [2024-11-07 20:18:09,440 INFO L226 Difference]: Without dead ends: 998 [2024-11-07 20:18:09,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:18:09,441 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 170 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:09,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 295 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:18:09,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2024-11-07 20:18:09,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 791. [2024-11-07 20:18:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 659 states have (on average 1.370257966616085) internal successors, (903), 684 states have internal predecessors, (903), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 20:18:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1099 transitions. [2024-11-07 20:18:09,506 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1099 transitions. Word has length 72 [2024-11-07 20:18:09,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:09,506 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1099 transitions. [2024-11-07 20:18:09,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1099 transitions. [2024-11-07 20:18:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-07 20:18:09,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:09,508 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:09,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-07 20:18:09,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:09,709 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:09,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:09,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1690685181, now seen corresponding path program 1 times [2024-11-07 20:18:09,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:09,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646220773] [2024-11-07 20:18:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:09,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:09,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [285524568] [2024-11-07 20:18:09,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:09,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:09,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:09,725 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 20:18:09,727 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 20:18:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:09,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:18:09,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:18:10,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:14,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:14,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646220773] [2024-11-07 20:18:14,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:14,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285524568] [2024-11-07 20:18:14,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285524568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:14,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:14,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:18:14,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66231756] [2024-11-07 20:18:14,289 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:14,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:18:14,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:14,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:18:14,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=82, Unknown=1, NotChecked=0, Total=110 [2024-11-07 20:18:14,290 INFO L87 Difference]: Start difference. First operand 791 states and 1099 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:14,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:14,900 INFO L93 Difference]: Finished difference Result 822 states and 1122 transitions. [2024-11-07 20:18:14,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:18:14,901 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-07 20:18:14,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:14,904 INFO L225 Difference]: With dead ends: 822 [2024-11-07 20:18:14,904 INFO L226 Difference]: Without dead ends: 815 [2024-11-07 20:18:14,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=52, Invalid=157, Unknown=1, NotChecked=0, Total=210 [2024-11-07 20:18:14,905 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 270 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:14,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 245 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:18:14,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-07 20:18:14,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 789. [2024-11-07 20:18:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 657 states have (on average 1.3637747336377473) internal successors, (896), 682 states have internal predecessors, (896), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 20:18:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1092 transitions. [2024-11-07 20:18:14,956 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1092 transitions. Word has length 72 [2024-11-07 20:18:14,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:14,956 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 1092 transitions. [2024-11-07 20:18:14,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:18:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1092 transitions. [2024-11-07 20:18:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 20:18:14,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:14,959 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:14,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-07 20:18:15,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:15,160 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:15,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:15,160 INFO L85 PathProgramCache]: Analyzing trace with hash -2143283546, now seen corresponding path program 1 times [2024-11-07 20:18:15,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:15,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924072203] [2024-11-07 20:18:15,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:15,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:18:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:18:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:18:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:15,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:15,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924072203] [2024-11-07 20:18:15,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924072203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:15,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546379732] [2024-11-07 20:18:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:15,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:15,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:15,265 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 20:18:15,268 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 20:18:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:15,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:18:15,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:15,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:15,517 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:15,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546379732] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:18:15,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:18:15,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-07 20:18:15,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234548131] [2024-11-07 20:18:15,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:15,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:18:15,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:15,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:18:15,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:18:15,518 INFO L87 Difference]: Start difference. First operand 789 states and 1092 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-07 20:18:16,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:16,563 INFO L93 Difference]: Finished difference Result 1321 states and 1885 transitions. [2024-11-07 20:18:16,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:18:16,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 92 [2024-11-07 20:18:16,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:16,568 INFO L225 Difference]: With dead ends: 1321 [2024-11-07 20:18:16,568 INFO L226 Difference]: Without dead ends: 1319 [2024-11-07 20:18:16,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:18:16,569 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 286 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:16,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 396 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:18:16,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2024-11-07 20:18:16,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1034. [2024-11-07 20:18:16,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 861 states have (on average 1.3704994192799071) internal successors, (1180), 885 states have internal predecessors, (1180), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-07 20:18:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1460 transitions. [2024-11-07 20:18:16,641 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1460 transitions. Word has length 92 [2024-11-07 20:18:16,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:16,642 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1460 transitions. [2024-11-07 20:18:16,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-07 20:18:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1460 transitions. [2024-11-07 20:18:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 20:18:16,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:16,643 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:16,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-07 20:18:16,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-07 20:18:16,844 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:16,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:16,844 INFO L85 PathProgramCache]: Analyzing trace with hash -2017280381, now seen corresponding path program 1 times [2024-11-07 20:18:16,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:16,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141460125] [2024-11-07 20:18:16,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:16,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:16,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:16,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:16,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:16,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:16,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:16,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:18:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:16,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:16,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:18:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:16,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:18:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:16,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:16,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141460125] [2024-11-07 20:18:16,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141460125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:16,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733883373] [2024-11-07 20:18:16,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:16,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:16,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:16,949 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:18:16,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-07 20:18:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:17,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:18:17,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:17,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:17,219 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:17,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733883373] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:18:17,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:18:17,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-07 20:18:17,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841522368] [2024-11-07 20:18:17,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:17,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:18:17,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:17,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:18:17,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:18:17,223 INFO L87 Difference]: Start difference. First operand 1034 states and 1460 transitions. Second operand has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-07 20:18:18,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:18,284 INFO L93 Difference]: Finished difference Result 1351 states and 1892 transitions. [2024-11-07 20:18:18,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:18:18,285 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 93 [2024-11-07 20:18:18,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:18,289 INFO L225 Difference]: With dead ends: 1351 [2024-11-07 20:18:18,290 INFO L226 Difference]: Without dead ends: 1349 [2024-11-07 20:18:18,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:18:18,292 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 763 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:18,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 538 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:18:18,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2024-11-07 20:18:18,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1038. [2024-11-07 20:18:18,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 866 states have (on average 1.3325635103926097) internal successors, (1154), 889 states have internal predecessors, (1154), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-07 20:18:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1434 transitions. [2024-11-07 20:18:18,367 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1434 transitions. Word has length 93 [2024-11-07 20:18:18,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:18,368 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1434 transitions. [2024-11-07 20:18:18,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-07 20:18:18,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1434 transitions. [2024-11-07 20:18:18,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 20:18:18,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:18,370 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:18,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-07 20:18:18,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-07 20:18:18,574 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:18,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:18,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1576192165, now seen corresponding path program 1 times [2024-11-07 20:18:18,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:18,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305058068] [2024-11-07 20:18:18,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:18,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:18:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:18:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:18:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:18,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:18,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305058068] [2024-11-07 20:18:18,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305058068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:18,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:18,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:18:18,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471250267] [2024-11-07 20:18:18,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:18,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:18:18,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:18,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:18:18,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:18:18,643 INFO L87 Difference]: Start difference. First operand 1038 states and 1434 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:18:18,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:18,754 INFO L93 Difference]: Finished difference Result 1038 states and 1434 transitions. [2024-11-07 20:18:18,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:18:18,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2024-11-07 20:18:18,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:18,758 INFO L225 Difference]: With dead ends: 1038 [2024-11-07 20:18:18,758 INFO L226 Difference]: Without dead ends: 1037 [2024-11-07 20:18:18,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 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 20:18:18,759 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 20 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:18,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 152 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:18:18,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-11-07 20:18:18,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2024-11-07 20:18:18,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 866 states have (on average 1.3221709006928406) internal successors, (1145), 888 states have internal predecessors, (1145), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-07 20:18:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1425 transitions. [2024-11-07 20:18:18,827 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1425 transitions. Word has length 95 [2024-11-07 20:18:18,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:18,828 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1425 transitions. [2024-11-07 20:18:18,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:18:18,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1425 transitions. [2024-11-07 20:18:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-07 20:18:18,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:18,830 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 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 20:18:18,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 20:18:18,830 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:18,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:18,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1402789213, now seen corresponding path program 1 times [2024-11-07 20:18:18,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:18,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653657152] [2024-11-07 20:18:18,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:18:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:18:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:18:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:18,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:18,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653657152] [2024-11-07 20:18:18,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653657152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:18,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718151103] [2024-11-07 20:18:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:18,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:18,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:18,954 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:18:18,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-07 20:18:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:18:19,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:19,159 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:18:19,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718151103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:19,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:19,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-07 20:18:19,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837646167] [2024-11-07 20:18:19,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:19,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:18:19,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:19,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:18:19,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:18:19,161 INFO L87 Difference]: Start difference. First operand 1037 states and 1425 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:18:19,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:19,502 INFO L93 Difference]: Finished difference Result 1055 states and 1456 transitions. [2024-11-07 20:18:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:18:19,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2024-11-07 20:18:19,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:19,506 INFO L225 Difference]: With dead ends: 1055 [2024-11-07 20:18:19,507 INFO L226 Difference]: Without dead ends: 1054 [2024-11-07 20:18:19,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:18:19,507 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 66 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:19,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 154 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:18:19,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-11-07 20:18:19,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1036. [2024-11-07 20:18:19,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 866 states have (on average 1.3140877598152425) internal successors, (1138), 887 states have internal predecessors, (1138), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-07 20:18:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1418 transitions. [2024-11-07 20:18:19,615 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1418 transitions. Word has length 97 [2024-11-07 20:18:19,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:19,615 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1418 transitions. [2024-11-07 20:18:19,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:18:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1418 transitions. [2024-11-07 20:18:19,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 20:18:19,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:19,616 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 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 20:18:19,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-07 20:18:19,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:19,823 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:19,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:19,823 INFO L85 PathProgramCache]: Analyzing trace with hash 536792781, now seen corresponding path program 1 times [2024-11-07 20:18:19,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:19,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079451822] [2024-11-07 20:18:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:19,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:18:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:18:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:18:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:19,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:19,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079451822] [2024-11-07 20:18:19,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079451822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:19,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747929687] [2024-11-07 20:18:19,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:19,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:19,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:19,935 INFO L229 MonitoredProcess]: Starting monitored process 18 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 20:18:19,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-07 20:18:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:19,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:18:19,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:20,137 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:20,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:20,279 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:18:20,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747929687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:18:20,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:18:20,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-07 20:18:20,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714646683] [2024-11-07 20:18:20,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:20,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:18:20,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:20,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:18:20,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:18:20,282 INFO L87 Difference]: Start difference. First operand 1036 states and 1418 transitions. Second operand has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-07 20:18:20,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:20,830 INFO L93 Difference]: Finished difference Result 1431 states and 1978 transitions. [2024-11-07 20:18:20,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:18:20,831 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 98 [2024-11-07 20:18:20,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:20,835 INFO L225 Difference]: With dead ends: 1431 [2024-11-07 20:18:20,835 INFO L226 Difference]: Without dead ends: 1429 [2024-11-07 20:18:20,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:18:20,836 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 344 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:20,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 390 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:18:20,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2024-11-07 20:18:20,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1186. [2024-11-07 20:18:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 998 states have (on average 1.312625250501002) internal successors, (1310), 1019 states have internal predecessors, (1310), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-07 20:18:20,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1626 transitions. [2024-11-07 20:18:20,935 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1626 transitions. Word has length 98 [2024-11-07 20:18:20,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:20,938 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1626 transitions. [2024-11-07 20:18:20,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-07 20:18:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1626 transitions. [2024-11-07 20:18:20,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-07 20:18:20,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:20,939 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:20,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-07 20:18:21,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:21,140 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:21,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:21,141 INFO L85 PathProgramCache]: Analyzing trace with hash 783009764, now seen corresponding path program 1 times [2024-11-07 20:18:21,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:21,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952413974] [2024-11-07 20:18:21,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:21,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 20:18:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 20:18:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 20:18:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:18:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:18:21,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:21,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952413974] [2024-11-07 20:18:21,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952413974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:21,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337218811] [2024-11-07 20:18:21,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:21,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:21,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:21,258 INFO L229 MonitoredProcess]: Starting monitored process 19 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 20:18:21,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-07 20:18:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:21,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:18:21,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:18:21,449 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:18:21,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337218811] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:18:21,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:18:21,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-07 20:18:21,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831441039] [2024-11-07 20:18:21,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:21,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:18:21,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:21,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:18:21,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:18:21,650 INFO L87 Difference]: Start difference. First operand 1186 states and 1626 transitions. Second operand has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-07 20:18:22,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:22,141 INFO L93 Difference]: Finished difference Result 1231 states and 1674 transitions. [2024-11-07 20:18:22,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:18:22,142 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 108 [2024-11-07 20:18:22,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:22,146 INFO L225 Difference]: With dead ends: 1231 [2024-11-07 20:18:22,146 INFO L226 Difference]: Without dead ends: 1230 [2024-11-07 20:18:22,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 230 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:18:22,147 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 441 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:22,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 306 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:18:22,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2024-11-07 20:18:22,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1115. [2024-11-07 20:18:22,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 938 states have (on average 1.3091684434968016) internal successors, (1228), 958 states have internal predecessors, (1228), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-07 20:18:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1524 transitions. [2024-11-07 20:18:22,235 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1524 transitions. Word has length 108 [2024-11-07 20:18:22,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:22,235 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1524 transitions. [2024-11-07 20:18:22,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-07 20:18:22,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1524 transitions. [2024-11-07 20:18:22,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 20:18:22,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:22,238 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:22,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-07 20:18:22,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:22,443 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:22,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:22,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1719371668, now seen corresponding path program 1 times [2024-11-07 20:18:22,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:22,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550609857] [2024-11-07 20:18:22,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:22,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:18:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:18:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:18:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:18:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:18:22,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:22,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550609857] [2024-11-07 20:18:22,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550609857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:22,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766767477] [2024-11-07 20:18:22,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:22,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:22,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:22,580 INFO L229 MonitoredProcess]: Starting monitored process 20 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 20:18:22,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-07 20:18:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:22,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:18:22,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-07 20:18:22,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:18:23,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766767477] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:18:23,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:18:23,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2024-11-07 20:18:23,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417670023] [2024-11-07 20:18:23,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:23,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 20:18:23,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:23,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 20:18:23,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:18:23,039 INFO L87 Difference]: Start difference. First operand 1115 states and 1524 transitions. Second operand has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-07 20:18:23,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:23,729 INFO L93 Difference]: Finished difference Result 1844 states and 2437 transitions. [2024-11-07 20:18:23,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-07 20:18:23,730 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 110 [2024-11-07 20:18:23,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:23,736 INFO L225 Difference]: With dead ends: 1844 [2024-11-07 20:18:23,736 INFO L226 Difference]: Without dead ends: 1582 [2024-11-07 20:18:23,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2024-11-07 20:18:23,740 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 351 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:23,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 858 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:18:23,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2024-11-07 20:18:23,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1385. [2024-11-07 20:18:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 1169 states have (on average 1.2891360136869119) internal successors, (1507), 1189 states have internal predecessors, (1507), 181 states have call successors, (181), 14 states have call predecessors, (181), 14 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-07 20:18:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1869 transitions. [2024-11-07 20:18:23,849 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1869 transitions. Word has length 110 [2024-11-07 20:18:23,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:23,850 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1869 transitions. [2024-11-07 20:18:23,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-07 20:18:23,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1869 transitions. [2024-11-07 20:18:23,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 20:18:23,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:23,852 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:23,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-07 20:18:24,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:24,057 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:24,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:24,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1395208224, now seen corresponding path program 1 times [2024-11-07 20:18:24,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:24,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434445502] [2024-11-07 20:18:24,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:24,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:24,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433554651] [2024-11-07 20:18:24,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:24,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:24,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:24,075 INFO L229 MonitoredProcess]: Starting monitored process 21 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 20:18:24,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-07 20:18:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:24,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:18:24,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:18:24,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:24,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:24,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434445502] [2024-11-07 20:18:24,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:24,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433554651] [2024-11-07 20:18:24,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433554651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:24,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:24,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-07 20:18:24,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872442099] [2024-11-07 20:18:24,764 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:24,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:18:24,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:24,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:18:24,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:18:24,765 INFO L87 Difference]: Start difference. First operand 1385 states and 1869 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 20:18:25,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:25,530 INFO L93 Difference]: Finished difference Result 2634 states and 3648 transitions. [2024-11-07 20:18:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 20:18:25,531 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 110 [2024-11-07 20:18:25,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:25,540 INFO L225 Difference]: With dead ends: 2634 [2024-11-07 20:18:25,541 INFO L226 Difference]: Without dead ends: 2631 [2024-11-07 20:18:25,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-07 20:18:25,542 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 247 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:25,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 453 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:18:25,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2024-11-07 20:18:25,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 1441. [2024-11-07 20:18:25,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1216 states have (on average 1.2886513157894737) internal successors, (1567), 1236 states have internal predecessors, (1567), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-07 20:18:25,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1947 transitions. [2024-11-07 20:18:25,659 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1947 transitions. Word has length 110 [2024-11-07 20:18:25,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:25,659 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 1947 transitions. [2024-11-07 20:18:25,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 20:18:25,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1947 transitions. [2024-11-07 20:18:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-07 20:18:25,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:25,660 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:25,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-07 20:18:25,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:25,861 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:25,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:25,861 INFO L85 PathProgramCache]: Analyzing trace with hash 301782046, now seen corresponding path program 1 times [2024-11-07 20:18:25,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:25,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586304030] [2024-11-07 20:18:25,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:25,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:25,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873546678] [2024-11-07 20:18:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:25,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:25,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:25,877 INFO L229 MonitoredProcess]: Starting monitored process 22 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 20:18:25,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-07 20:18:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:25,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:18:25,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:18:26,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:26,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:26,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586304030] [2024-11-07 20:18:26,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:26,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873546678] [2024-11-07 20:18:26,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873546678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:26,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:26,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-07 20:18:26,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277051516] [2024-11-07 20:18:26,958 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:26,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:18:26,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:26,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:18:26,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:18:26,959 INFO L87 Difference]: Start difference. First operand 1441 states and 1947 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 20:18:27,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:27,426 INFO L93 Difference]: Finished difference Result 1587 states and 2134 transitions. [2024-11-07 20:18:27,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:18:27,426 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 111 [2024-11-07 20:18:27,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:27,433 INFO L225 Difference]: With dead ends: 1587 [2024-11-07 20:18:27,433 INFO L226 Difference]: Without dead ends: 1584 [2024-11-07 20:18:27,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:18:27,434 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 90 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:27,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 299 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:18:27,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2024-11-07 20:18:27,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1555. [2024-11-07 20:18:27,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1313 states have (on average 1.2871287128712872) internal successors, (1690), 1333 states have internal predecessors, (1690), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-07 20:18:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2104 transitions. [2024-11-07 20:18:27,550 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2104 transitions. Word has length 111 [2024-11-07 20:18:27,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:27,550 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2104 transitions. [2024-11-07 20:18:27,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 20:18:27,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2104 transitions. [2024-11-07 20:18:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-07 20:18:27,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:27,552 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:27,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-07 20:18:27,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-07 20:18:27,757 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:27,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:27,757 INFO L85 PathProgramCache]: Analyzing trace with hash 765308898, now seen corresponding path program 1 times [2024-11-07 20:18:27,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:27,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90515184] [2024-11-07 20:18:27,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:27,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:18:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:18:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:18:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 20:18:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:18:27,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:27,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90515184] [2024-11-07 20:18:27,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90515184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:27,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:27,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:18:27,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575194554] [2024-11-07 20:18:27,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:27,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:18:27,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:27,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:18:27,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:18:27,866 INFO L87 Difference]: Start difference. First operand 1555 states and 2104 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:18:28,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:28,775 INFO L93 Difference]: Finished difference Result 1562 states and 2107 transitions. [2024-11-07 20:18:28,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:18:28,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 112 [2024-11-07 20:18:28,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:28,781 INFO L225 Difference]: With dead ends: 1562 [2024-11-07 20:18:28,781 INFO L226 Difference]: Without dead ends: 1560 [2024-11-07 20:18:28,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:18:28,782 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 105 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:28,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 226 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:18:28,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2024-11-07 20:18:28,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1521. [2024-11-07 20:18:28,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2785992217898832) internal successors, (1643), 1303 states have internal predecessors, (1643), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-07 20:18:28,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2049 transitions. [2024-11-07 20:18:28,911 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2049 transitions. Word has length 112 [2024-11-07 20:18:28,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:28,911 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2049 transitions. [2024-11-07 20:18:28,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:18:28,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2049 transitions. [2024-11-07 20:18:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-07 20:18:28,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:28,912 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:28,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 20:18:28,913 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:28,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:28,913 INFO L85 PathProgramCache]: Analyzing trace with hash 21474756, now seen corresponding path program 2 times [2024-11-07 20:18:28,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:28,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399573399] [2024-11-07 20:18:28,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:28,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:28,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [258418814] [2024-11-07 20:18:28,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:18:28,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:28,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:28,934 INFO L229 MonitoredProcess]: Starting monitored process 23 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 20:18:28,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-07 20:18:28,997 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:18:28,997 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:18:28,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 20:18:29,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-07 20:18:29,311 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:29,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:29,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399573399] [2024-11-07 20:18:29,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:29,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258418814] [2024-11-07 20:18:29,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258418814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:29,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:29,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-07 20:18:29,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74760172] [2024-11-07 20:18:29,590 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:29,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:18:29,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:29,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:18:29,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:18:29,591 INFO L87 Difference]: Start difference. First operand 1521 states and 2049 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 20:18:30,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:30,049 INFO L93 Difference]: Finished difference Result 1829 states and 2505 transitions. [2024-11-07 20:18:30,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:18:30,049 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 113 [2024-11-07 20:18:30,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:30,055 INFO L225 Difference]: With dead ends: 1829 [2024-11-07 20:18:30,055 INFO L226 Difference]: Without dead ends: 1825 [2024-11-07 20:18:30,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:18:30,056 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 179 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:30,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 457 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:18:30,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2024-11-07 20:18:30,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1521. [2024-11-07 20:18:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2622568093385214) internal successors, (1622), 1303 states have internal predecessors, (1622), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-07 20:18:30,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2028 transitions. [2024-11-07 20:18:30,140 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2028 transitions. Word has length 113 [2024-11-07 20:18:30,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:30,140 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2028 transitions. [2024-11-07 20:18:30,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 20:18:30,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2028 transitions. [2024-11-07 20:18:30,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-07 20:18:30,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:30,141 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:30,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-07 20:18:30,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-07 20:18:30,342 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:30,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:30,342 INFO L85 PathProgramCache]: Analyzing trace with hash -2045227872, now seen corresponding path program 1 times [2024-11-07 20:18:30,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:30,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616694119] [2024-11-07 20:18:30,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:30,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:30,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789048551] [2024-11-07 20:18:30,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:30,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:30,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:30,358 INFO L229 MonitoredProcess]: Starting monitored process 24 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 20:18:30,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-07 20:18:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:30,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:18:30,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:18:30,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:35,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:35,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616694119] [2024-11-07 20:18:35,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:35,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789048551] [2024-11-07 20:18:35,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789048551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:35,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:35,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:18:35,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223964803] [2024-11-07 20:18:35,233 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:35,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:18:35,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:35,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:18:35,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=164, Unknown=1, NotChecked=0, Total=210 [2024-11-07 20:18:35,233 INFO L87 Difference]: Start difference. First operand 1521 states and 2028 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:18:35,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:35,826 INFO L93 Difference]: Finished difference Result 1547 states and 2045 transitions. [2024-11-07 20:18:35,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:18:35,826 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 113 [2024-11-07 20:18:35,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:35,831 INFO L225 Difference]: With dead ends: 1547 [2024-11-07 20:18:35,831 INFO L226 Difference]: Without dead ends: 1540 [2024-11-07 20:18:35,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=90, Invalid=329, Unknown=1, NotChecked=0, Total=420 [2024-11-07 20:18:35,832 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 212 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:35,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 323 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:18:35,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2024-11-07 20:18:35,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1387. [2024-11-07 20:18:35,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1171 states have (on average 1.2604611443210931) internal successors, (1476), 1190 states have internal predecessors, (1476), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-07 20:18:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1842 transitions. [2024-11-07 20:18:35,918 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1842 transitions. Word has length 113 [2024-11-07 20:18:35,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:35,918 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 1842 transitions. [2024-11-07 20:18:35,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:18:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1842 transitions. [2024-11-07 20:18:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 20:18:35,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:35,919 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2024-11-07 20:18:35,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-07 20:18:36,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-07 20:18:36,120 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:36,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:36,121 INFO L85 PathProgramCache]: Analyzing trace with hash -547394329, now seen corresponding path program 2 times [2024-11-07 20:18:36,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:36,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487303398] [2024-11-07 20:18:36,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:36,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 20:18:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 20:18:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 20:18:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:18:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 20:18:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-07 20:18:36,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:36,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487303398] [2024-11-07 20:18:36,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487303398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:36,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:36,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:18:36,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700792063] [2024-11-07 20:18:36,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:36,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:18:36,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:36,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:18:36,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:18:36,193 INFO L87 Difference]: Start difference. First operand 1387 states and 1842 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-07 20:18:36,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:36,863 INFO L93 Difference]: Finished difference Result 2418 states and 3261 transitions. [2024-11-07 20:18:36,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:18:36,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 123 [2024-11-07 20:18:36,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:36,869 INFO L225 Difference]: With dead ends: 2418 [2024-11-07 20:18:36,869 INFO L226 Difference]: Without dead ends: 1424 [2024-11-07 20:18:36,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:18:36,871 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:36,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 178 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:18:36,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-07 20:18:36,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1357. [2024-11-07 20:18:36,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1145 states have (on average 1.2724890829694324) internal successors, (1457), 1163 states have internal predecessors, (1457), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-07 20:18:36,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1819 transitions. [2024-11-07 20:18:36,959 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1819 transitions. Word has length 123 [2024-11-07 20:18:36,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:36,959 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1819 transitions. [2024-11-07 20:18:36,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-07 20:18:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1819 transitions. [2024-11-07 20:18:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-07 20:18:36,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:36,960 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:36,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-07 20:18:36,960 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:36,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:36,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1547842201, now seen corresponding path program 1 times [2024-11-07 20:18:36,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:36,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266018405] [2024-11-07 20:18:36,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:36,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:18:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:18:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:18:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 20:18:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 20:18:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-07 20:18:37,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:37,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266018405] [2024-11-07 20:18:37,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266018405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:37,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885916199] [2024-11-07 20:18:37,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:37,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:37,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:37,130 INFO L229 MonitoredProcess]: Starting monitored process 25 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 20:18:37,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-07 20:18:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:37,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:18:37,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-07 20:18:37,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-07 20:18:37,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885916199] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:18:37,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:18:37,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-07 20:18:37,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978487018] [2024-11-07 20:18:37,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:37,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-07 20:18:37,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:37,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-07 20:18:37,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:18:37,571 INFO L87 Difference]: Start difference. First operand 1357 states and 1819 transitions. Second operand has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-07 20:18:38,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:38,064 INFO L93 Difference]: Finished difference Result 1987 states and 2609 transitions. [2024-11-07 20:18:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-07 20:18:38,064 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 125 [2024-11-07 20:18:38,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:38,068 INFO L225 Difference]: With dead ends: 1987 [2024-11-07 20:18:38,068 INFO L226 Difference]: Without dead ends: 1507 [2024-11-07 20:18:38,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=467, Invalid=1513, Unknown=0, NotChecked=0, Total=1980 [2024-11-07 20:18:38,070 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 248 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:38,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 803 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:18:38,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2024-11-07 20:18:38,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1458. [2024-11-07 20:18:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1229 states have (on average 1.2530512611879576) internal successors, (1540), 1249 states have internal predecessors, (1540), 190 states have call successors, (190), 20 states have call predecessors, (190), 20 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-07 20:18:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1920 transitions. [2024-11-07 20:18:38,243 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1920 transitions. Word has length 125 [2024-11-07 20:18:38,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:38,243 INFO L471 AbstractCegarLoop]: Abstraction has 1458 states and 1920 transitions. [2024-11-07 20:18:38,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-07 20:18:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1920 transitions. [2024-11-07 20:18:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 20:18:38,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:38,244 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2024-11-07 20:18:38,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-07 20:18:38,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-07 20:18:38,444 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:38,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:38,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1532189571, now seen corresponding path program 2 times [2024-11-07 20:18:38,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:38,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797624110] [2024-11-07 20:18:38,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:38,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:38,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531932064] [2024-11-07 20:18:38,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:18:38,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:38,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:38,467 INFO L229 MonitoredProcess]: Starting monitored process 26 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 20:18:38,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-07 20:18:38,538 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:18:38,539 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:18:38,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:18:38,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:38,943 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 20:18:38,943 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:18:38,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:38,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797624110] [2024-11-07 20:18:38,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:38,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531932064] [2024-11-07 20:18:38,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531932064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:18:38,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:18:38,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 20:18:38,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70819850] [2024-11-07 20:18:38,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:18:38,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:18:38,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:38,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:18:38,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:18:38,944 INFO L87 Difference]: Start difference. First operand 1458 states and 1920 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-07 20:18:39,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:39,440 INFO L93 Difference]: Finished difference Result 1991 states and 2670 transitions. [2024-11-07 20:18:39,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:18:39,440 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 151 [2024-11-07 20:18:39,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:39,444 INFO L225 Difference]: With dead ends: 1991 [2024-11-07 20:18:39,445 INFO L226 Difference]: Without dead ends: 1988 [2024-11-07 20:18:39,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:18:39,445 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 181 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:39,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 528 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:18:39,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2024-11-07 20:18:39,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1047. [2024-11-07 20:18:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 877 states have (on average 1.2075256556442417) internal successors, (1059), 894 states have internal predecessors, (1059), 134 states have call successors, (134), 20 states have call predecessors, (134), 20 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-07 20:18:39,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1327 transitions. [2024-11-07 20:18:39,529 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1327 transitions. Word has length 151 [2024-11-07 20:18:39,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:39,529 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1327 transitions. [2024-11-07 20:18:39,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-07 20:18:39,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1327 transitions. [2024-11-07 20:18:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 20:18:39,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:39,530 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2024-11-07 20:18:39,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-07 20:18:39,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-07 20:18:39,731 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:39,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:39,731 INFO L85 PathProgramCache]: Analyzing trace with hash 253236507, now seen corresponding path program 2 times [2024-11-07 20:18:39,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:39,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066303480] [2024-11-07 20:18:39,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:39,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:39,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44220094] [2024-11-07 20:18:39,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:18:39,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:39,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:39,759 INFO L229 MonitoredProcess]: Starting monitored process 27 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 20:18:39,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-07 20:18:39,827 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:18:39,827 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:18:39,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:18:39,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:40,218 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 20:18:40,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:40,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:40,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066303480] [2024-11-07 20:18:40,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:40,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44220094] [2024-11-07 20:18:40,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44220094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:40,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:40,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-07 20:18:40,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26146089] [2024-11-07 20:18:40,619 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:40,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:18:40,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:40,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:18:40,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:18:40,620 INFO L87 Difference]: Start difference. First operand 1047 states and 1327 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-07 20:18:40,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:40,868 INFO L93 Difference]: Finished difference Result 1174 states and 1492 transitions. [2024-11-07 20:18:40,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:18:40,868 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 152 [2024-11-07 20:18:40,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:40,871 INFO L225 Difference]: With dead ends: 1174 [2024-11-07 20:18:40,871 INFO L226 Difference]: Without dead ends: 1171 [2024-11-07 20:18:40,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:18:40,872 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 208 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:40,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 269 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:18:40,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2024-11-07 20:18:40,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1148. [2024-11-07 20:18:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 962 states have (on average 1.212058212058212) internal successors, (1166), 979 states have internal predecessors, (1166), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-07 20:18:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1466 transitions. [2024-11-07 20:18:40,937 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1466 transitions. Word has length 152 [2024-11-07 20:18:40,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:40,938 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1466 transitions. [2024-11-07 20:18:40,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-07 20:18:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1466 transitions. [2024-11-07 20:18:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-07 20:18:40,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:40,939 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:40,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-07 20:18:41,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:41,142 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:41,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:41,143 INFO L85 PathProgramCache]: Analyzing trace with hash 613852033, now seen corresponding path program 3 times [2024-11-07 20:18:41,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:41,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758334304] [2024-11-07 20:18:41,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:41,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:41,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [546409248] [2024-11-07 20:18:41,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:18:41,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:41,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:41,170 INFO L229 MonitoredProcess]: Starting monitored process 28 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 20:18:41,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-07 20:18:41,220 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 20:18:41,220 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:18:41,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 20:18:41,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-07 20:18:41,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:45,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:45,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758334304] [2024-11-07 20:18:45,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:45,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546409248] [2024-11-07 20:18:45,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546409248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:45,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:45,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-07 20:18:45,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663695005] [2024-11-07 20:18:45,887 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:45,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:18:45,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:45,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:18:45,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2024-11-07 20:18:45,888 INFO L87 Difference]: Start difference. First operand 1148 states and 1466 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:18:46,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:46,720 INFO L93 Difference]: Finished difference Result 1368 states and 1756 transitions. [2024-11-07 20:18:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:18:46,720 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 154 [2024-11-07 20:18:46,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:46,723 INFO L225 Difference]: With dead ends: 1368 [2024-11-07 20:18:46,723 INFO L226 Difference]: Without dead ends: 1364 [2024-11-07 20:18:46,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=85, Invalid=256, Unknown=1, NotChecked=0, Total=342 [2024-11-07 20:18:46,724 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 313 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:46,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 378 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:18:46,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2024-11-07 20:18:46,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1138. [2024-11-07 20:18:46,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 952 states have (on average 1.194327731092437) internal successors, (1137), 969 states have internal predecessors, (1137), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-07 20:18:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1437 transitions. [2024-11-07 20:18:46,801 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1437 transitions. Word has length 154 [2024-11-07 20:18:46,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:46,801 INFO L471 AbstractCegarLoop]: Abstraction has 1138 states and 1437 transitions. [2024-11-07 20:18:46,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:18:46,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1437 transitions. [2024-11-07 20:18:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-07 20:18:46,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:46,803 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2024-11-07 20:18:46,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-07 20:18:47,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-07 20:18:47,007 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:47,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:47,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1452850595, now seen corresponding path program 2 times [2024-11-07 20:18:47,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:47,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175040357] [2024-11-07 20:18:47,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:47,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:47,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434196347] [2024-11-07 20:18:47,023 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:18:47,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:47,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:47,027 INFO L229 MonitoredProcess]: Starting monitored process 29 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 20:18:47,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-07 20:18:47,093 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:18:47,093 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:18:47,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-07 20:18:47,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 20:18:47,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:49,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:49,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175040357] [2024-11-07 20:18:49,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:49,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434196347] [2024-11-07 20:18:49,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434196347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:49,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:49,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-07 20:18:49,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183395965] [2024-11-07 20:18:49,028 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:49,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:18:49,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:49,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:18:49,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:18:49,029 INFO L87 Difference]: Start difference. First operand 1138 states and 1437 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-07 20:18:49,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:49,539 INFO L93 Difference]: Finished difference Result 1162 states and 1452 transitions. [2024-11-07 20:18:49,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:18:49,539 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 154 [2024-11-07 20:18:49,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:49,542 INFO L225 Difference]: With dead ends: 1162 [2024-11-07 20:18:49,542 INFO L226 Difference]: Without dead ends: 1155 [2024-11-07 20:18:49,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:18:49,543 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 86 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:49,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 416 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:18:49,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-07 20:18:49,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1062. [2024-11-07 20:18:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 888 states have (on average 1.177927927927928) internal successors, (1046), 905 states have internal predecessors, (1046), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-07 20:18:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1322 transitions. [2024-11-07 20:18:49,627 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1322 transitions. Word has length 154 [2024-11-07 20:18:49,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:49,628 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1322 transitions. [2024-11-07 20:18:49,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-07 20:18:49,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1322 transitions. [2024-11-07 20:18:49,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 20:18:49,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:49,629 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:49,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-07 20:18:49,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:49,830 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:49,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:49,831 INFO L85 PathProgramCache]: Analyzing trace with hash -2062017948, now seen corresponding path program 3 times [2024-11-07 20:18:49,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:49,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952982633] [2024-11-07 20:18:49,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:49,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:49,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600315091] [2024-11-07 20:18:49,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:18:49,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:49,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:49,851 INFO L229 MonitoredProcess]: Starting monitored process 30 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 20:18:49,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-07 20:18:49,963 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-07 20:18:49,964 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:18:49,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-07 20:18:49,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 99 proven. 76 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-07 20:18:50,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:52,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:52,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952982633] [2024-11-07 20:18:52,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:52,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600315091] [2024-11-07 20:18:52,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600315091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:52,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:52,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-07 20:18:52,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074791216] [2024-11-07 20:18:52,468 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:52,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 20:18:52,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:52,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 20:18:52,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-07 20:18:52,469 INFO L87 Difference]: Start difference. First operand 1062 states and 1322 transitions. Second operand has 13 states, 12 states have (on average 6.916666666666667) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-07 20:18:56,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:56,002 INFO L93 Difference]: Finished difference Result 1189 states and 1485 transitions. [2024-11-07 20:18:56,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 20:18:56,003 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.916666666666667) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 164 [2024-11-07 20:18:56,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:56,006 INFO L225 Difference]: With dead ends: 1189 [2024-11-07 20:18:56,006 INFO L226 Difference]: Without dead ends: 1167 [2024-11-07 20:18:56,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=312, Invalid=1094, Unknown=0, NotChecked=0, Total=1406 [2024-11-07 20:18:56,007 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 368 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:56,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 274 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-07 20:18:56,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2024-11-07 20:18:56,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1025. [2024-11-07 20:18:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 865 states have (on average 1.138728323699422) internal successors, (985), 881 states have internal predecessors, (985), 125 states have call successors, (125), 20 states have call predecessors, (125), 20 states have return successors, (125), 123 states have call predecessors, (125), 125 states have call successors, (125) [2024-11-07 20:18:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1235 transitions. [2024-11-07 20:18:56,079 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1235 transitions. Word has length 164 [2024-11-07 20:18:56,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:56,079 INFO L471 AbstractCegarLoop]: Abstraction has 1025 states and 1235 transitions. [2024-11-07 20:18:56,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.916666666666667) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-07 20:18:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1235 transitions. [2024-11-07 20:18:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-07 20:18:56,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:56,080 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:56,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-07 20:18:56,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:56,281 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:56,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:56,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1619322522, now seen corresponding path program 3 times [2024-11-07 20:18:56,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:56,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064538078] [2024-11-07 20:18:56,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:56,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:18:56,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534291535] [2024-11-07 20:18:56,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:18:56,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:56,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:56,305 INFO L229 MonitoredProcess]: Starting monitored process 31 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 20:18:56,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-07 20:18:56,378 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-07 20:18:56,378 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:18:56,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-07 20:18:56,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 66 proven. 79 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-07 20:18:56,608 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:56,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:56,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064538078] [2024-11-07 20:18:56,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:18:56,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534291535] [2024-11-07 20:18:56,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534291535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:56,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:18:56,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-07 20:18:56,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608159695] [2024-11-07 20:18:56,831 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:56,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:18:56,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:56,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:18:56,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:18:56,831 INFO L87 Difference]: Start difference. First operand 1025 states and 1235 transitions. Second operand has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-07 20:18:57,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:57,971 INFO L93 Difference]: Finished difference Result 1040 states and 1252 transitions. [2024-11-07 20:18:57,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:18:57,972 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 166 [2024-11-07 20:18:57,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:57,974 INFO L225 Difference]: With dead ends: 1040 [2024-11-07 20:18:57,974 INFO L226 Difference]: Without dead ends: 1010 [2024-11-07 20:18:57,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-07 20:18:57,975 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 224 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:57,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 194 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:18:57,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-07 20:18:58,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 958. [2024-11-07 20:18:58,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 805 states have (on average 1.1341614906832298) internal successors, (913), 818 states have internal predecessors, (913), 119 states have call successors, (119), 20 states have call predecessors, (119), 20 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-07 20:18:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1151 transitions. [2024-11-07 20:18:58,075 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1151 transitions. Word has length 166 [2024-11-07 20:18:58,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:18:58,075 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1151 transitions. [2024-11-07 20:18:58,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-07 20:18:58,075 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1151 transitions. [2024-11-07 20:18:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 20:18:58,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:18:58,077 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:18:58,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-07 20:18:58,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-07 20:18:58,281 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:18:58,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:18:58,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1939624599, now seen corresponding path program 2 times [2024-11-07 20:18:58,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:18:58,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957654238] [2024-11-07 20:18:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:18:58,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:18:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:18:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:18:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:18:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:18:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:18:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:18:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:18:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:18:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:18:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:18:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 20:18:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 20:18:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:18:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 20:18:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 20:18:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 20:18:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 20:18:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:18:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 20:18:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 20:18:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 20:18:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:18:58,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 20:18:58,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:18:58,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957654238] [2024-11-07 20:18:58,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957654238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:18:58,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476306710] [2024-11-07 20:18:58,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:18:58,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:18:58,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:18:58,461 INFO L229 MonitoredProcess]: Starting monitored process 32 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 20:18:58,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-07 20:18:58,545 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:18:58,545 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:18:58,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:18:58,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:18:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 20:18:58,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:18:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 20:18:58,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476306710] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:18:58,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:18:58,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-07 20:18:58,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886063873] [2024-11-07 20:18:58,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:18:58,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:18:58,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:18:58,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:18:58,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:18:58,900 INFO L87 Difference]: Start difference. First operand 958 states and 1151 transitions. Second operand has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-07 20:18:59,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:18:59,873 INFO L93 Difference]: Finished difference Result 1902 states and 2352 transitions. [2024-11-07 20:18:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:18:59,874 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 215 [2024-11-07 20:18:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:18:59,879 INFO L225 Difference]: With dead ends: 1902 [2024-11-07 20:18:59,879 INFO L226 Difference]: Without dead ends: 1901 [2024-11-07 20:18:59,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:18:59,880 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 799 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:18:59,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 552 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:18:59,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1901 states. [2024-11-07 20:19:00,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1901 to 1216. [2024-11-07 20:19:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 1018 states have (on average 1.163064833005894) internal successors, (1184), 1031 states have internal predecessors, (1184), 164 states have call successors, (164), 20 states have call predecessors, (164), 20 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-07 20:19:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1512 transitions. [2024-11-07 20:19:00,018 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1512 transitions. Word has length 215 [2024-11-07 20:19:00,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:19:00,019 INFO L471 AbstractCegarLoop]: Abstraction has 1216 states and 1512 transitions. [2024-11-07 20:19:00,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-07 20:19:00,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1512 transitions. [2024-11-07 20:19:00,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-07 20:19:00,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:19:00,023 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-07 20:19:00,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-07 20:19:00,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-07 20:19:00,224 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:19:00,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:19:00,224 INFO L85 PathProgramCache]: Analyzing trace with hash 439955303, now seen corresponding path program 1 times [2024-11-07 20:19:00,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:19:00,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240796976] [2024-11-07 20:19:00,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:19:00,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:19:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:19:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:19:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:19:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:19:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:19:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:19:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:19:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:19:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:19:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:19:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 20:19:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 20:19:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:19:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 20:19:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 20:19:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 20:19:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 20:19:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 20:19:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 20:19:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:19:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 20:19:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 20:19:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-07 20:19:00,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:19:00,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240796976] [2024-11-07 20:19:00,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240796976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:19:00,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000546721] [2024-11-07 20:19:00,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:19:00,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:19:00,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:19:00,457 INFO L229 MonitoredProcess]: Starting monitored process 33 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 20:19:00,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-07 20:19:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:00,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:19:00,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:19:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-07 20:19:00,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:19:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-07 20:19:01,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000546721] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:19:01,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:19:01,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-07 20:19:01,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422567784] [2024-11-07 20:19:01,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:19:01,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-07 20:19:01,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:19:01,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-07 20:19:01,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:19:01,183 INFO L87 Difference]: Start difference. First operand 1216 states and 1512 transitions. Second operand has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-07 20:19:02,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:19:02,314 INFO L93 Difference]: Finished difference Result 3058 states and 3959 transitions. [2024-11-07 20:19:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-07 20:19:02,315 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 233 [2024-11-07 20:19:02,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:19:02,322 INFO L225 Difference]: With dead ends: 3058 [2024-11-07 20:19:02,323 INFO L226 Difference]: Without dead ends: 3057 [2024-11-07 20:19:02,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2024-11-07 20:19:02,324 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 1299 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1313 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:19:02,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1313 Valid, 596 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:19:02,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2024-11-07 20:19:02,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 1712. [2024-11-07 20:19:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1446 states have (on average 1.1666666666666667) internal successors, (1687), 1459 states have internal predecessors, (1687), 232 states have call successors, (232), 20 states have call predecessors, (232), 20 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-07 20:19:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2151 transitions. [2024-11-07 20:19:02,578 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2151 transitions. Word has length 233 [2024-11-07 20:19:02,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:19:02,579 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2151 transitions. [2024-11-07 20:19:02,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-07 20:19:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2151 transitions. [2024-11-07 20:19:02,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-07 20:19:02,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:19:02,582 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:19:02,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-07 20:19:02,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-07 20:19:02,783 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:19:02,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:19:02,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1498423858, now seen corresponding path program 1 times [2024-11-07 20:19:02,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:19:02,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278184768] [2024-11-07 20:19:02,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:19:02,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:19:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:19:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:19:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:19:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:19:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:19:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:19:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:19:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:19:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:19:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:19:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 20:19:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 20:19:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:19:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 20:19:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 20:19:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 20:19:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 20:19:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 20:19:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 20:19:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:19:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 20:19:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 20:19:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-07 20:19:03,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:19:03,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278184768] [2024-11-07 20:19:03,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278184768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:19:03,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382570072] [2024-11-07 20:19:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:19:03,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:19:03,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:19:03,131 INFO L229 MonitoredProcess]: Starting monitored process 34 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 20:19:03,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-07 20:19:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:03,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 20:19:03,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:19:03,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 1032 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-07 20:19:03,425 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:19:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-07 20:19:03,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382570072] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:19:03,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:19:03,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 34 [2024-11-07 20:19:03,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614675634] [2024-11-07 20:19:03,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:19:03,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-07 20:19:03,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:19:03,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-07 20:19:03,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=877, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 20:19:03,826 INFO L87 Difference]: Start difference. First operand 1712 states and 2151 transitions. Second operand has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-11-07 20:19:04,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:19:04,649 INFO L93 Difference]: Finished difference Result 2566 states and 3175 transitions. [2024-11-07 20:19:04,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-07 20:19:04,649 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) Word has length 239 [2024-11-07 20:19:04,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:19:04,653 INFO L225 Difference]: With dead ends: 2566 [2024-11-07 20:19:04,653 INFO L226 Difference]: Without dead ends: 1940 [2024-11-07 20:19:04,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1190 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1141, Invalid=3829, Unknown=0, NotChecked=0, Total=4970 [2024-11-07 20:19:04,655 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 300 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:19:04,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 993 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:19:04,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2024-11-07 20:19:04,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1849. [2024-11-07 20:19:04,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1849 states, 1549 states have (on average 1.1394448030987734) internal successors, (1765), 1569 states have internal predecessors, (1765), 246 states have call successors, (246), 40 states have call predecessors, (246), 40 states have return successors, (246), 239 states have call predecessors, (246), 246 states have call successors, (246) [2024-11-07 20:19:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 2257 transitions. [2024-11-07 20:19:04,891 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 2257 transitions. Word has length 239 [2024-11-07 20:19:04,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:19:04,891 INFO L471 AbstractCegarLoop]: Abstraction has 1849 states and 2257 transitions. [2024-11-07 20:19:04,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-11-07 20:19:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2257 transitions. [2024-11-07 20:19:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-07 20:19:04,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:19:04,893 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-07 20:19:04,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-07 20:19:05,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:19:05,098 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:19:05,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:19:05,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1388953002, now seen corresponding path program 1 times [2024-11-07 20:19:05,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:19:05,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708935554] [2024-11-07 20:19:05,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:19:05,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:19:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:19:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:19:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:19:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:19:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:19:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:19:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:19:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:19:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:19:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 20:19:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 20:19:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 20:19:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 20:19:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 20:19:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-07 20:19:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 20:19:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 20:19:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:19:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 20:19:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:19:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 20:19:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 20:19:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 20:19:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 154 proven. 48 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-11-07 20:19:05,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:19:05,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708935554] [2024-11-07 20:19:05,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708935554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:19:05,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217916651] [2024-11-07 20:19:05,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:19:05,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:19:05,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:19:05,302 INFO L229 MonitoredProcess]: Starting monitored process 35 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 20:19:05,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-07 20:19:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:05,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:19:05,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:19:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 658 proven. 48 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-11-07 20:19:05,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:19:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 154 proven. 48 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-11-07 20:19:05,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217916651] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:19:05,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:19:05,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-11-07 20:19:05,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837610184] [2024-11-07 20:19:05,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:19:05,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:19:05,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:19:05,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:19:05,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:19:05,667 INFO L87 Difference]: Start difference. First operand 1849 states and 2257 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-07 20:19:06,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:19:06,398 INFO L93 Difference]: Finished difference Result 3183 states and 3961 transitions. [2024-11-07 20:19:06,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:19:06,399 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 248 [2024-11-07 20:19:06,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:19:06,406 INFO L225 Difference]: With dead ends: 3183 [2024-11-07 20:19:06,406 INFO L226 Difference]: Without dead ends: 1941 [2024-11-07 20:19:06,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 538 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:19:06,410 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 117 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:19:06,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 430 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:19:06,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2024-11-07 20:19:06,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1779. [2024-11-07 20:19:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1495 states have (on average 1.1538461538461537) internal successors, (1725), 1512 states have internal predecessors, (1725), 238 states have call successors, (238), 32 states have call predecessors, (238), 32 states have return successors, (238), 234 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-07 20:19:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2201 transitions. [2024-11-07 20:19:06,676 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2201 transitions. Word has length 248 [2024-11-07 20:19:06,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:19:06,676 INFO L471 AbstractCegarLoop]: Abstraction has 1779 states and 2201 transitions. [2024-11-07 20:19:06,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-07 20:19:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2201 transitions. [2024-11-07 20:19:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-07 20:19:06,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:19:06,678 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-07 20:19:06,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-07 20:19:06,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-07 20:19:06,879 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:19:06,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:19:06,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1271798093, now seen corresponding path program 2 times [2024-11-07 20:19:06,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:19:06,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213990044] [2024-11-07 20:19:06,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:19:06,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:19:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:19:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:19:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:19:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:19:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:19:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:19:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:19:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:19:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:19:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:19:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 20:19:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 20:19:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:19:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 20:19:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 20:19:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 20:19:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 20:19:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:19:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 20:19:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:19:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 20:19:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 20:19:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 20:19:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 20:19:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 20:19:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 20:19:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-07 20:19:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:07,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 85 proven. 294 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 20:19:07,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:19:07,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213990044] [2024-11-07 20:19:07,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213990044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:19:07,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333814286] [2024-11-07 20:19:07,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:19:07,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:19:07,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:19:07,119 INFO L229 MonitoredProcess]: Starting monitored process 36 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 20:19:07,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-07 20:19:07,211 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:19:07,211 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:19:07,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:19:07,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:19:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 617 proven. 187 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2024-11-07 20:19:07,375 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:19:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 177 proven. 187 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2024-11-07 20:19:07,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333814286] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:19:07,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:19:07,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2024-11-07 20:19:07,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171338924] [2024-11-07 20:19:07,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:19:07,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:19:07,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:19:07,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:19:07,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:19:07,626 INFO L87 Difference]: Start difference. First operand 1779 states and 2201 transitions. Second operand has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-07 20:19:09,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:19:09,449 INFO L93 Difference]: Finished difference Result 3691 states and 4629 transitions. [2024-11-07 20:19:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-07 20:19:09,449 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 289 [2024-11-07 20:19:09,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:19:09,454 INFO L225 Difference]: With dead ends: 3691 [2024-11-07 20:19:09,454 INFO L226 Difference]: Without dead ends: 2428 [2024-11-07 20:19:09,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 627 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2024-11-07 20:19:09,457 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 335 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 1833 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:19:09,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1266 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1833 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 20:19:09,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2024-11-07 20:19:09,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 2074. [2024-11-07 20:19:09,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1744 states have (on average 1.1485091743119267) internal successors, (2003), 1762 states have internal predecessors, (2003), 284 states have call successors, (284), 32 states have call predecessors, (284), 32 states have return successors, (284), 279 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-07 20:19:09,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2571 transitions. [2024-11-07 20:19:09,756 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2571 transitions. Word has length 289 [2024-11-07 20:19:09,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:19:09,756 INFO L471 AbstractCegarLoop]: Abstraction has 2074 states and 2571 transitions. [2024-11-07 20:19:09,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-07 20:19:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2571 transitions. [2024-11-07 20:19:09,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-07 20:19:09,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:19:09,759 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-11-07 20:19:09,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-07 20:19:09,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:19:09,960 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-07 20:19:09,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:19:09,960 INFO L85 PathProgramCache]: Analyzing trace with hash 345241416, now seen corresponding path program 2 times [2024-11-07 20:19:09,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:19:09,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812457592] [2024-11-07 20:19:09,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:19:09,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:19:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:19:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:19:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 20:19:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:19:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:19:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:19:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:19:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 20:19:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:19:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:19:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 20:19:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 20:19:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:19:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 20:19:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 20:19:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 20:19:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 20:19:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:19:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 20:19:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 20:19:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 20:19:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 20:19:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 20:19:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 20:19:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 20:19:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 20:19:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 20:19:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 20:19:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 20:19:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-07 20:19:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-11-07 20:19:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:19:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 2 proven. 512 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 20:19:10,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:19:10,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812457592] [2024-11-07 20:19:10,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812457592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:19:10,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764603379] [2024-11-07 20:19:10,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:19:10,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:19:10,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:19:10,427 INFO L229 MonitoredProcess]: Starting monitored process 37 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 20:19:10,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-07 20:19:10,536 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:19:10,536 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:19:10,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:19:10,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:19:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 20:19:11,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:19:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 0 proven. 514 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 20:19:12,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764603379] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:19:12,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:19:12,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 13] total 46 [2024-11-07 20:19:12,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589174836] [2024-11-07 20:19:12,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:19:12,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-07 20:19:12,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:19:12,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-07 20:19:12,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=1827, Unknown=0, NotChecked=0, Total=2070 [2024-11-07 20:19:12,269 INFO L87 Difference]: Start difference. First operand 2074 states and 2571 transitions. Second operand has 46 states, 46 states have (on average 11.456521739130435) internal successors, (527), 46 states have internal predecessors, (527), 27 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 27 states have call predecessors, (93), 27 states have call successors, (93)