./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.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 b1fa78b32466948213cdbfc05d3adcde2ac2fc14323ec3ac2f4b441976452676 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:38:30,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:38:30,655 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:38:30,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:38:30,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:38:30,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:38:30,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:38:30,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:38:30,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:38:30,679 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:38:30,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:38:30,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:38:30,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:38:30,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:38:30,679 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:38:30,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:38:30,680 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:38:30,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:38:30,681 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:38:30,681 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:38:30,681 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:38:30,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:38:30,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:38:30,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:38:30,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:38:30,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:38:30,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:38:30,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:38:30,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:38:30,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:38:30,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:38:30,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:38:30,682 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:38:30,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:38:30,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:38:30,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:38:30,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:38:30,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:38:30,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:38:30,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:38:30,683 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 -> b1fa78b32466948213cdbfc05d3adcde2ac2fc14323ec3ac2f4b441976452676 [2025-01-10 02:38:30,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:38:30,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:38:30,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:38:30,914 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:38:30,915 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:38:30,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2025-01-10 02:38:32,101 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e94f5757/6ba3fa398df94411be88547e4d5c2e51/FLAG86a38d6db [2025-01-10 02:38:32,405 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:38:32,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2025-01-10 02:38:32,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e94f5757/6ba3fa398df94411be88547e4d5c2e51/FLAG86a38d6db [2025-01-10 02:38:32,437 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e94f5757/6ba3fa398df94411be88547e4d5c2e51 [2025-01-10 02:38:32,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:38:32,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:38:32,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:38:32,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:38:32,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:38:32,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5386cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32, skipping insertion in model container [2025-01-10 02:38:32,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:38:32,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:38:32,688 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:38:32,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:38:32,749 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:38:32,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32 WrapperNode [2025-01-10 02:38:32,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:38:32,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:38:32,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:38:32,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:38:32,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,803 INFO L138 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 516 [2025-01-10 02:38:32,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:38:32,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:38:32,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:38:32,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:38:32,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,814 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,826 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]. [2025-01-10 02:38:32,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,838 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:38:32,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:38:32,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:38:32,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:38:32,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (1/1) ... [2025-01-10 02:38:32,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:38:32,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:32,907 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) [2025-01-10 02:38:32,916 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 [2025-01-10 02:38:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2025-01-10 02:38:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2025-01-10 02:38:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:38:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2025-01-10 02:38:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2025-01-10 02:38:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-10 02:38:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-10 02:38:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:38:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:38:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:38:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2025-01-10 02:38:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2025-01-10 02:38:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:38:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:38:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2025-01-10 02:38:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2025-01-10 02:38:33,030 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:38:33,031 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:38:33,531 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2025-01-10 02:38:33,531 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:38:33,542 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:38:33,544 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 02:38:33,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:38:33 BoogieIcfgContainer [2025-01-10 02:38:33,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:38:33,546 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:38:33,546 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:38:33,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:38:33,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:38:32" (1/3) ... [2025-01-10 02:38:33,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f087e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:38:33, skipping insertion in model container [2025-01-10 02:38:33,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:32" (2/3) ... [2025-01-10 02:38:33,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f087e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:38:33, skipping insertion in model container [2025-01-10 02:38:33,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:38:33" (3/3) ... [2025-01-10 02:38:33,552 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2025-01-10 02:38:33,563 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:38:33,564 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c that has 7 procedures, 177 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-01-10 02:38:33,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:38:33,651 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;@68f51fe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:38:33,652 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-10 02:38:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 139 states have (on average 1.5539568345323742) internal successors, (216), 141 states have internal predecessors, (216), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-01-10 02:38:33,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-10 02:38:33,666 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:33,667 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:33,668 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:38:33,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:33,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1654434079, now seen corresponding path program 1 times [2025-01-10 02:38:33,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:33,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551930160] [2025-01-10 02:38:33,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:33,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:33,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 02:38:33,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 02:38:33,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:33,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:38:33,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:33,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551930160] [2025-01-10 02:38:33,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551930160] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:33,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988648323] [2025-01-10 02:38:33,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:33,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:33,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:33,924 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) [2025-01-10 02:38:33,927 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 [2025-01-10 02:38:34,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 02:38:34,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 02:38:34,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:34,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:34,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:38:34,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:34,116 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:38:34,118 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:34,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988648323] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:34,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:34,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:38:34,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103112155] [2025-01-10 02:38:34,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:34,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:38:34,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:34,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:38:34,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:38:34,140 INFO L87 Difference]: Start difference. First operand has 177 states, 139 states have (on average 1.5539568345323742) internal successors, (216), 141 states have internal predecessors, (216), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:38:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:34,175 INFO L93 Difference]: Finished difference Result 337 states and 547 transitions. [2025-01-10 02:38:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:38:34,177 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2025-01-10 02:38:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:34,182 INFO L225 Difference]: With dead ends: 337 [2025-01-10 02:38:34,182 INFO L226 Difference]: Without dead ends: 172 [2025-01-10 02:38:34,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:38:34,187 INFO L435 NwaCegarLoop]: 271 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, 271 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 [2025-01-10 02:38:34,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:34,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-01-10 02:38:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2025-01-10 02:38:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 135 states have (on average 1.548148148148148) internal successors, (209), 136 states have internal predecessors, (209), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-01-10 02:38:34,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 267 transitions. [2025-01-10 02:38:34,235 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 267 transitions. Word has length 71 [2025-01-10 02:38:34,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:34,235 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 267 transitions. [2025-01-10 02:38:34,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:38:34,236 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 267 transitions. [2025-01-10 02:38:34,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-10 02:38:34,238 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:34,238 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:34,245 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 [2025-01-10 02:38:34,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-10 02:38:34,442 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:38:34,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:34,443 INFO L85 PathProgramCache]: Analyzing trace with hash -891013787, now seen corresponding path program 1 times [2025-01-10 02:38:34,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:34,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657238020] [2025-01-10 02:38:34,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:34,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:34,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 02:38:34,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 02:38:34,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:34,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:38:34,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:34,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657238020] [2025-01-10 02:38:34,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657238020] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:34,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475351263] [2025-01-10 02:38:34,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:34,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:34,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:34,722 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) [2025-01-10 02:38:34,722 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 [2025-01-10 02:38:34,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 02:38:34,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 02:38:34,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:34,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:34,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:38:34,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:38:34,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:34,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475351263] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:34,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:34,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-10 02:38:34,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140846413] [2025-01-10 02:38:34,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:34,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:38:34,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:34,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:38:34,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:34,900 INFO L87 Difference]: Start difference. First operand 172 states and 267 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 02:38:35,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:35,024 INFO L93 Difference]: Finished difference Result 373 states and 571 transitions. [2025-01-10 02:38:35,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:35,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 71 [2025-01-10 02:38:35,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:35,026 INFO L225 Difference]: With dead ends: 373 [2025-01-10 02:38:35,026 INFO L226 Difference]: Without dead ends: 218 [2025-01-10 02:38:35,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:38:35,028 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 386 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:35,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 687 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:38:35,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-01-10 02:38:35,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2025-01-10 02:38:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 173 states have (on average 1.5317919075144508) internal successors, (265), 174 states have internal predecessors, (265), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 02:38:35,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 327 transitions. [2025-01-10 02:38:35,042 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 327 transitions. Word has length 71 [2025-01-10 02:38:35,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:35,042 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 327 transitions. [2025-01-10 02:38:35,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 02:38:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 327 transitions. [2025-01-10 02:38:35,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-10 02:38:35,044 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:35,044 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:35,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 02:38:35,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:35,245 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:38:35,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:35,246 INFO L85 PathProgramCache]: Analyzing trace with hash -626071640, now seen corresponding path program 1 times [2025-01-10 02:38:35,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:35,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739853236] [2025-01-10 02:38:35,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:35,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:35,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 02:38:35,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 02:38:35,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:35,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:38:35,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:35,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739853236] [2025-01-10 02:38:35,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739853236] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:35,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607491735] [2025-01-10 02:38:35,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:35,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:35,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:35,447 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) [2025-01-10 02:38:35,452 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 [2025-01-10 02:38:35,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 02:38:35,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 02:38:35,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:35,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:35,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:38:35,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:38:35,680 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:35,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607491735] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:35,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:35,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-10 02:38:35,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720925137] [2025-01-10 02:38:35,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:35,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:38:35,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:35,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:38:35,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:35,682 INFO L87 Difference]: Start difference. First operand 214 states and 327 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 02:38:35,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:35,803 INFO L93 Difference]: Finished difference Result 374 states and 571 transitions. [2025-01-10 02:38:35,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:35,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2025-01-10 02:38:35,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:35,805 INFO L225 Difference]: With dead ends: 374 [2025-01-10 02:38:35,805 INFO L226 Difference]: Without dead ends: 219 [2025-01-10 02:38:35,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:38:35,806 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 386 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:35,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 687 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:38:35,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2025-01-10 02:38:35,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 216. [2025-01-10 02:38:35,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 175 states have (on average 1.5257142857142858) internal successors, (267), 176 states have internal predecessors, (267), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 02:38:35,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 329 transitions. [2025-01-10 02:38:35,827 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 329 transitions. Word has length 72 [2025-01-10 02:38:35,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:35,828 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 329 transitions. [2025-01-10 02:38:35,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 02:38:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 329 transitions. [2025-01-10 02:38:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 02:38:35,830 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:35,830 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:35,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:38:36,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:36,031 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:38:36,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:36,031 INFO L85 PathProgramCache]: Analyzing trace with hash 890119322, now seen corresponding path program 1 times [2025-01-10 02:38:36,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:36,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435619704] [2025-01-10 02:38:36,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:36,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:36,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 02:38:36,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 02:38:36,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:36,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:38:36,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:36,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435619704] [2025-01-10 02:38:36,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435619704] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:36,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215446233] [2025-01-10 02:38:36,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:36,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:36,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:36,190 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) [2025-01-10 02:38:36,191 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 [2025-01-10 02:38:36,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 02:38:36,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 02:38:36,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:36,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:36,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:36,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:38:36,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:36,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215446233] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:36,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:36,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:38:36,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081049262] [2025-01-10 02:38:36,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:36,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:36,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:36,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:36,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:36,387 INFO L87 Difference]: Start difference. First operand 216 states and 329 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:38:36,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:36,417 INFO L93 Difference]: Finished difference Result 216 states and 329 transitions. [2025-01-10 02:38:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:36,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2025-01-10 02:38:36,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:36,420 INFO L225 Difference]: With dead ends: 216 [2025-01-10 02:38:36,420 INFO L226 Difference]: Without dead ends: 215 [2025-01-10 02:38:36,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:36,422 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 108 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:36,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 622 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-01-10 02:38:36,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-01-10 02:38:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 175 states have (on average 1.52) internal successors, (266), 175 states have internal predecessors, (266), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 02:38:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 328 transitions. [2025-01-10 02:38:36,443 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 328 transitions. Word has length 74 [2025-01-10 02:38:36,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:36,444 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 328 transitions. [2025-01-10 02:38:36,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:38:36,446 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 328 transitions. [2025-01-10 02:38:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-10 02:38:36,447 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:36,447 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:36,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 02:38:36,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:36,648 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:38:36,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:36,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1823895715, now seen corresponding path program 1 times [2025-01-10 02:38:36,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:36,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60417962] [2025-01-10 02:38:36,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:36,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:36,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 02:38:36,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 02:38:36,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:36,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:38:36,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:36,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60417962] [2025-01-10 02:38:36,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60417962] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:36,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089423705] [2025-01-10 02:38:36,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:36,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:36,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:36,800 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) [2025-01-10 02:38:36,801 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 [2025-01-10 02:38:36,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 02:38:36,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 02:38:36,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:36,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:36,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:36,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:38:37,032 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:37,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089423705] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:37,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:37,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:38:37,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797354514] [2025-01-10 02:38:37,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:37,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:37,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:37,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:37,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:37,034 INFO L87 Difference]: Start difference. First operand 215 states and 328 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:38:37,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:37,071 INFO L93 Difference]: Finished difference Result 296 states and 460 transitions. [2025-01-10 02:38:37,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:37,071 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2025-01-10 02:38:37,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:37,073 INFO L225 Difference]: With dead ends: 296 [2025-01-10 02:38:37,074 INFO L226 Difference]: Without dead ends: 295 [2025-01-10 02:38:37,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:37,075 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 101 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:37,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 781 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:37,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-01-10 02:38:37,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2025-01-10 02:38:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 232 states have (on average 1.5129310344827587) internal successors, (351), 232 states have internal predecessors, (351), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-10 02:38:37,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 459 transitions. [2025-01-10 02:38:37,092 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 459 transitions. Word has length 75 [2025-01-10 02:38:37,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:37,093 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 459 transitions. [2025-01-10 02:38:37,093 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:38:37,093 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 459 transitions. [2025-01-10 02:38:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-01-10 02:38:37,095 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:37,095 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 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] [2025-01-10 02:38:37,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-10 02:38:37,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:37,300 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:38:37,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:37,301 INFO L85 PathProgramCache]: Analyzing trace with hash -569268096, now seen corresponding path program 1 times [2025-01-10 02:38:37,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:37,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093839900] [2025-01-10 02:38:37,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:37,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:37,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-10 02:38:37,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-10 02:38:37,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:37,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-10 02:38:37,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:37,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093839900] [2025-01-10 02:38:37,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093839900] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:37,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896119438] [2025-01-10 02:38:37,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:37,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:37,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:37,481 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) [2025-01-10 02:38:37,482 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 [2025-01-10 02:38:37,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-10 02:38:37,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-10 02:38:37,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:37,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:37,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:38:37,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 02:38:37,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:38:37,883 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 02:38:37,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896119438] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:38:37,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:38:37,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2025-01-10 02:38:37,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697519554] [2025-01-10 02:38:37,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:38:37,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 02:38:37,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:37,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 02:38:37,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:38:37,887 INFO L87 Difference]: Start difference. First operand 295 states and 459 transitions. Second operand has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2025-01-10 02:38:38,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:38,077 INFO L93 Difference]: Finished difference Result 689 states and 1079 transitions. [2025-01-10 02:38:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:38:38,078 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) Word has length 137 [2025-01-10 02:38:38,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:38,079 INFO L225 Difference]: With dead ends: 689 [2025-01-10 02:38:38,079 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 02:38:38,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:38:38,081 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 451 mSDsluCounter, 1702 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:38,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 1959 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:38:38,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 02:38:38,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 02:38:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-01-10 02:38:38,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 02:38:38,085 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2025-01-10 02:38:38,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:38,086 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 02:38:38,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2025-01-10 02:38:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 02:38:38,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 02:38:38,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-01-10 02:38:38,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-01-10 02:38:38,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:38:38,293 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,SelfDestructingSolverStorable5 [2025-01-10 02:38:38,295 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-10 02:38:38,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-10 02:38:38,705 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 02:38:38,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:38:38 BoogieIcfgContainer [2025-01-10 02:38:38,716 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 02:38:38,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 02:38:38,716 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 02:38:38,716 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 02:38:38,716 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:38:33" (3/4) ... [2025-01-10 02:38:38,718 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 02:38:38,721 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2025-01-10 02:38:38,721 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2025-01-10 02:38:38,721 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2025-01-10 02:38:38,721 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2025-01-10 02:38:38,722 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-10 02:38:38,722 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2025-01-10 02:38:38,727 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2025-01-10 02:38:38,728 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-10 02:38:38,729 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-10 02:38:38,729 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 02:38:38,809 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 02:38:38,810 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 02:38:38,810 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 02:38:38,810 INFO L158 Benchmark]: Toolchain (without parser) took 6369.95ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 104.5MB in the beginning and 126.4MB in the end (delta: -21.9MB). Peak memory consumption was 145.2MB. Max. memory is 16.1GB. [2025-01-10 02:38:38,811 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:38:38,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.23ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 86.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 02:38:38,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.34ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 83.0MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:38:38,814 INFO L158 Benchmark]: Boogie Preprocessor took 56.33ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 79.1MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:38:38,815 INFO L158 Benchmark]: RCFGBuilder took 680.94ms. Allocated memory is still 142.6MB. Free memory was 79.1MB in the beginning and 38.2MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-10 02:38:38,815 INFO L158 Benchmark]: TraceAbstraction took 5169.70ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 38.2MB in the beginning and 137.7MB in the end (delta: -99.6MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2025-01-10 02:38:38,815 INFO L158 Benchmark]: Witness Printer took 93.70ms. Allocated memory is still 310.4MB. Free memory was 137.7MB in the beginning and 126.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:38:38,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.23ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 86.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.34ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 83.0MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.33ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 79.1MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 680.94ms. Allocated memory is still 142.6MB. Free memory was 79.1MB in the beginning and 38.2MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5169.70ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 38.2MB in the beginning and 137.7MB in the end (delta: -99.6MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * Witness Printer took 93.70ms. Allocated memory is still 310.4MB. Free memory was 137.7MB in the beginning and 126.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 177 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1524 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1432 mSDsluCounter, 5007 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3490 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 1517 mSDtfsCounter, 372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=295occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1000 NumberOfCodeBlocks, 1000 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1124 ConstructedInterpolants, 0 QuantifiedInterpolants, 1818 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2960 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 250/338 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((0 <= i2) && (i2 <= 2147483646)) && (((short) nomsg + 1) <= 0)) RESULT: Ultimate proved your program to be correct! [2025-01-10 02:38:38,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE