./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.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_Triplicated.2.ufo.UNBOUNDED.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 5c227f1dec7d604552aae19de1afcc1049837e83568477af6195219b22e2f636 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:38:38,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:38:38,587 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:38:38,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:38:38,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:38:38,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:38:38,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:38:38,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:38:38,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:38:38,623 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:38:38,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:38:38,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:38:38,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:38:38,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:38:38,625 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:38:38,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:38:38,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:38:38,626 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:38:38,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:38:38,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:38:38,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:38:38,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:38:38,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:38:38,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:38:38,626 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:38:38,627 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:38:38,627 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:38:38,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:38:38,627 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:38:38,627 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:38:38,627 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:38:38,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:38:38,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:38:38,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:38:38,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:38:38,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:38:38,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:38:38,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:38:38,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:38:38,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:38:38,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:38:38,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:38:38,629 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:38:38,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:38:38,629 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:38:38,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:38:38,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:38:38,629 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:38:38,630 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:38:38,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:38:38,630 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 -> 5c227f1dec7d604552aae19de1afcc1049837e83568477af6195219b22e2f636 [2025-01-10 02:38:38,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:38:38,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:38:38,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:38:38,942 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:38:38,943 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:38:38,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2025-01-10 02:38:40,303 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bc326da4/cb5d3cd51bde4d0c9095fbac6d4af48a/FLAG166abb97a [2025-01-10 02:38:40,594 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:38:40,595 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2025-01-10 02:38:40,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bc326da4/cb5d3cd51bde4d0c9095fbac6d4af48a/FLAG166abb97a [2025-01-10 02:38:40,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bc326da4/cb5d3cd51bde4d0c9095fbac6d4af48a [2025-01-10 02:38:40,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:38:40,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:38:40,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:38:40,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:38:40,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:38:40,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:38:40" (1/1) ... [2025-01-10 02:38:40,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c56795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:40, skipping insertion in model container [2025-01-10 02:38:40,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:38:40" (1/1) ... [2025-01-10 02:38:40,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:38:40,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:38:40,939 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:38:41,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:38:41,027 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:38:41,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41 WrapperNode [2025-01-10 02:38:41,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:38:41,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:38:41,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:38:41,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:38:41,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,085 INFO L138 Inliner]: procedures = 28, calls = 52, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 425 [2025-01-10 02:38:41,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:38:41,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:38:41,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:38:41,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:38:41,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,124 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 02:38:41,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,133 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:38:41,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:38:41,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:38:41,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:38:41,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (1/1) ... [2025-01-10 02:38:41,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:38:41,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:41,188 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 02:38:41,195 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 02:38:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:38:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2025-01-10 02:38:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2025-01-10 02:38:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-10 02:38:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-10 02:38:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2025-01-10 02:38:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2025-01-10 02:38:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2025-01-10 02:38:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2025-01-10 02:38:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2025-01-10 02:38:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2025-01-10 02:38:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:38:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:38:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:38:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:38:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:38:41,335 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:38:41,338 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:38:42,008 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2025-01-10 02:38:42,009 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:38:42,034 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:38:42,036 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:38:42,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:38:42 BoogieIcfgContainer [2025-01-10 02:38:42,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:38:42,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:38:42,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:38:42,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:38:42,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:38:40" (1/3) ... [2025-01-10 02:38:42,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec29e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:38:42, skipping insertion in model container [2025-01-10 02:38:42,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:38:41" (2/3) ... [2025-01-10 02:38:42,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec29e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:38:42, skipping insertion in model container [2025-01-10 02:38:42,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:38:42" (3/3) ... [2025-01-10 02:38:42,050 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2025-01-10 02:38:42,068 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:38:42,071 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c that has 7 procedures, 191 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2025-01-10 02:38:42,136 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:38:42,149 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;@6730b620, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:38:42,150 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-01-10 02:38:42,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 139 states have (on average 1.589928057553957) internal successors, (221), 151 states have internal predecessors, (221), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-01-10 02:38:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-10 02:38:42,162 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:42,163 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:42,163 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:42,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:42,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1775608630, now seen corresponding path program 1 times [2025-01-10 02:38:42,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:42,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632930076] [2025-01-10 02:38:42,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:42,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:42,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 02:38:42,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 02:38:42,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:42,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:38:42,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:42,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632930076] [2025-01-10 02:38:42,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632930076] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:42,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:38:42,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:38:42,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108691773] [2025-01-10 02:38:42,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:42,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:42,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:42,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:42,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:38:42,565 INFO L87 Difference]: Start difference. First operand has 191 states, 139 states have (on average 1.589928057553957) internal successors, (221), 151 states have internal predecessors, (221), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:38:42,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:42,697 INFO L93 Difference]: Finished difference Result 397 states and 650 transitions. [2025-01-10 02:38:42,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:42,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-01-10 02:38:42,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:42,712 INFO L225 Difference]: With dead ends: 397 [2025-01-10 02:38:42,713 INFO L226 Difference]: Without dead ends: 208 [2025-01-10 02:38:42,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:38:42,722 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 34 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:42,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 861 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:42,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2025-01-10 02:38:42,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 202. [2025-01-10 02:38:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 149 states have (on average 1.5771812080536913) internal successors, (235), 160 states have internal predecessors, (235), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:38:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 311 transitions. [2025-01-10 02:38:42,798 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 311 transitions. Word has length 11 [2025-01-10 02:38:42,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:42,798 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 311 transitions. [2025-01-10 02:38:42,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:38:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 311 transitions. [2025-01-10 02:38:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 02:38:42,800 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:42,800 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:42,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:38:42,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:42,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:42,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1503731953, now seen corresponding path program 1 times [2025-01-10 02:38:42,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:42,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940954354] [2025-01-10 02:38:42,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:42,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:42,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 02:38:42,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 02:38:42,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:42,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:38:42,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:42,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940954354] [2025-01-10 02:38:42,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940954354] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:42,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:38:42,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:38:42,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657441191] [2025-01-10 02:38:42,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:42,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:42,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:42,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:42,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:38:42,969 INFO L87 Difference]: Start difference. First operand 202 states and 311 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:38:43,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:43,043 INFO L93 Difference]: Finished difference Result 427 states and 667 transitions. [2025-01-10 02:38:43,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:43,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2025-01-10 02:38:43,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:43,050 INFO L225 Difference]: With dead ends: 427 [2025-01-10 02:38:43,050 INFO L226 Difference]: Without dead ends: 237 [2025-01-10 02:38:43,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:38:43,056 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 19 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:43,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 851 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:43,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2025-01-10 02:38:43,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 233. [2025-01-10 02:38:43,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 175 states have (on average 1.542857142857143) internal successors, (270), 186 states have internal predecessors, (270), 43 states have call successors, (43), 7 states have call predecessors, (43), 7 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2025-01-10 02:38:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 356 transitions. [2025-01-10 02:38:43,083 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 356 transitions. Word has length 16 [2025-01-10 02:38:43,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:43,083 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 356 transitions. [2025-01-10 02:38:43,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:38:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 356 transitions. [2025-01-10 02:38:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:38:43,086 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:43,086 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:43,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:38:43,086 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:43,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:43,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1549610128, now seen corresponding path program 1 times [2025-01-10 02:38:43,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:43,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363838275] [2025-01-10 02:38:43,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:43,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:43,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:38:43,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:38:43,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:43,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:38:43,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:43,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363838275] [2025-01-10 02:38:43,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363838275] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:43,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104201948] [2025-01-10 02:38:43,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:43,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:43,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:43,311 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 02:38:43,313 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 02:38:43,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:38:43,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:38:43,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:43,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:43,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:38:43,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:38:43,514 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:43,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104201948] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:43,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:43,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-01-10 02:38:43,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625792851] [2025-01-10 02:38:43,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:43,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:38:43,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:43,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:38:43,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:43,517 INFO L87 Difference]: Start difference. First operand 233 states and 356 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:38:43,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:43,567 INFO L93 Difference]: Finished difference Result 237 states and 362 transitions. [2025-01-10 02:38:43,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:43,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2025-01-10 02:38:43,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:43,570 INFO L225 Difference]: With dead ends: 237 [2025-01-10 02:38:43,571 INFO L226 Difference]: Without dead ends: 236 [2025-01-10 02:38:43,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:43,572 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 19 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:43,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1103 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:43,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-01-10 02:38:43,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2025-01-10 02:38:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 175 states have (on average 1.5257142857142858) internal successors, (267), 185 states have internal predecessors, (267), 43 states have call successors, (43), 7 states have call predecessors, (43), 7 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2025-01-10 02:38:43,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 353 transitions. [2025-01-10 02:38:43,598 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 353 transitions. Word has length 29 [2025-01-10 02:38:43,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:43,598 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 353 transitions. [2025-01-10 02:38:43,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:38:43,598 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 353 transitions. [2025-01-10 02:38:43,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:38:43,602 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:43,602 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:43,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:38:43,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:43,803 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:43,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:43,803 INFO L85 PathProgramCache]: Analyzing trace with hash -793273207, now seen corresponding path program 1 times [2025-01-10 02:38:43,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:43,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798917393] [2025-01-10 02:38:43,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:43,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:43,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:38:43,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:38:43,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:43,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:38:43,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:43,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798917393] [2025-01-10 02:38:43,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798917393] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:43,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:38:43,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:38:43,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438465165] [2025-01-10 02:38:43,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:43,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:43,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:43,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:43,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:38:43,909 INFO L87 Difference]: Start difference. First operand 232 states and 353 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:38:43,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:43,948 INFO L93 Difference]: Finished difference Result 236 states and 359 transitions. [2025-01-10 02:38:43,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:43,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2025-01-10 02:38:43,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:43,953 INFO L225 Difference]: With dead ends: 236 [2025-01-10 02:38:43,953 INFO L226 Difference]: Without dead ends: 235 [2025-01-10 02:38:43,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:38:43,956 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 18 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:43,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 823 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:43,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2025-01-10 02:38:43,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 202. [2025-01-10 02:38:43,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 151 states have (on average 1.5298013245033113) internal successors, (231), 160 states have internal predecessors, (231), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:38:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 307 transitions. [2025-01-10 02:38:43,984 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 307 transitions. Word has length 30 [2025-01-10 02:38:43,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:43,985 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 307 transitions. [2025-01-10 02:38:43,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:38:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 307 transitions. [2025-01-10 02:38:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-01-10 02:38:43,990 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:43,990 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 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] [2025-01-10 02:38:43,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:38:43,993 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:43,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:43,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1338658097, now seen corresponding path program 1 times [2025-01-10 02:38:43,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:43,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184401786] [2025-01-10 02:38:43,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:43,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:44,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-01-10 02:38:44,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-01-10 02:38:44,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:44,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-01-10 02:38:44,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:44,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184401786] [2025-01-10 02:38:44,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184401786] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:44,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682633287] [2025-01-10 02:38:44,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:44,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:44,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:44,290 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 02:38:44,293 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 02:38:44,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-01-10 02:38:44,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-01-10 02:38:44,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:44,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:44,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:44,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:38:44,522 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:44,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682633287] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:44,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:44,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-01-10 02:38:44,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539339827] [2025-01-10 02:38:44,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:44,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:44,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:44,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:44,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:44,528 INFO L87 Difference]: Start difference. First operand 202 states and 307 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:44,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:44,592 INFO L93 Difference]: Finished difference Result 353 states and 544 transitions. [2025-01-10 02:38:44,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:44,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2025-01-10 02:38:44,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:44,599 INFO L225 Difference]: With dead ends: 353 [2025-01-10 02:38:44,601 INFO L226 Difference]: Without dead ends: 209 [2025-01-10 02:38:44,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:44,603 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 10 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:44,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 829 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:44,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2025-01-10 02:38:44,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2025-01-10 02:38:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 156 states have (on average 1.5320512820512822) internal successors, (239), 166 states have internal predecessors, (239), 39 states have call successors, (39), 8 states have call predecessors, (39), 8 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:38:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 317 transitions. [2025-01-10 02:38:44,617 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 317 transitions. Word has length 92 [2025-01-10 02:38:44,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:44,617 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 317 transitions. [2025-01-10 02:38:44,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 317 transitions. [2025-01-10 02:38:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-01-10 02:38:44,621 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:44,621 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 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 02:38:44,631 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 02:38:44,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:44,822 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:44,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:44,822 INFO L85 PathProgramCache]: Analyzing trace with hash 742132169, now seen corresponding path program 1 times [2025-01-10 02:38:44,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:44,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099697011] [2025-01-10 02:38:44,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:44,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:44,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-10 02:38:44,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 02:38:44,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:44,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-10 02:38:45,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:45,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099697011] [2025-01-10 02:38:45,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099697011] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:45,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330416767] [2025-01-10 02:38:45,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:45,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:45,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:45,012 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 02:38:45,015 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 02:38:45,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-10 02:38:45,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 02:38:45,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:45,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:45,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:45,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:45,220 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-10 02:38:45,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:45,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330416767] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:45,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:45,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-01-10 02:38:45,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433756594] [2025-01-10 02:38:45,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:45,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:45,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:45,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:45,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:45,224 INFO L87 Difference]: Start difference. First operand 209 states and 317 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:45,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:45,277 INFO L93 Difference]: Finished difference Result 367 states and 563 transitions. [2025-01-10 02:38:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:45,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2025-01-10 02:38:45,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:45,281 INFO L225 Difference]: With dead ends: 367 [2025-01-10 02:38:45,283 INFO L226 Difference]: Without dead ends: 216 [2025-01-10 02:38:45,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:45,285 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 8 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:45,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 824 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:45,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-01-10 02:38:45,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2025-01-10 02:38:45,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 161 states have (on average 1.5341614906832297) internal successors, (247), 172 states have internal predecessors, (247), 40 states have call successors, (40), 9 states have call predecessors, (40), 9 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-01-10 02:38:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 327 transitions. [2025-01-10 02:38:45,307 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 327 transitions. Word has length 94 [2025-01-10 02:38:45,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:45,308 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 327 transitions. [2025-01-10 02:38:45,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 327 transitions. [2025-01-10 02:38:45,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-01-10 02:38:45,310 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:45,310 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 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, 1, 1] [2025-01-10 02:38:45,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 02:38:45,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:45,511 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:45,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:45,512 INFO L85 PathProgramCache]: Analyzing trace with hash -342944573, now seen corresponding path program 1 times [2025-01-10 02:38:45,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:45,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160315886] [2025-01-10 02:38:45,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:45,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:45,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-01-10 02:38:45,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-01-10 02:38:45,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:45,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:45,719 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-10 02:38:45,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:45,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160315886] [2025-01-10 02:38:45,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160315886] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:45,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327937143] [2025-01-10 02:38:45,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:45,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:45,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:45,722 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 02:38:45,725 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 02:38:45,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-01-10 02:38:45,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-01-10 02:38:45,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:45,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:45,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:45,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-10 02:38:45,929 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:45,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327937143] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:45,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:45,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-01-10 02:38:45,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200403950] [2025-01-10 02:38:45,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:45,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:45,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:45,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:45,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:45,934 INFO L87 Difference]: Start difference. First operand 216 states and 327 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:46,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:46,048 INFO L93 Difference]: Finished difference Result 392 states and 613 transitions. [2025-01-10 02:38:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:46,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2025-01-10 02:38:46,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:46,051 INFO L225 Difference]: With dead ends: 392 [2025-01-10 02:38:46,052 INFO L226 Difference]: Without dead ends: 234 [2025-01-10 02:38:46,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:46,053 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 39 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:46,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 785 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:38:46,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2025-01-10 02:38:46,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 230. [2025-01-10 02:38:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 173 states have (on average 1.5491329479768785) internal successors, (268), 184 states have internal predecessors, (268), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-01-10 02:38:46,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 350 transitions. [2025-01-10 02:38:46,072 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 350 transitions. Word has length 95 [2025-01-10 02:38:46,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:46,073 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 350 transitions. [2025-01-10 02:38:46,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 350 transitions. [2025-01-10 02:38:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 02:38:46,075 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:46,075 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1] [2025-01-10 02:38:46,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 02:38:46,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-01-10 02:38:46,276 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:46,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:46,276 INFO L85 PathProgramCache]: Analyzing trace with hash 60114756, now seen corresponding path program 1 times [2025-01-10 02:38:46,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:46,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026205404] [2025-01-10 02:38:46,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:46,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:46,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 02:38:46,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 02:38:46,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:46,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:46,432 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-10 02:38:46,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:46,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026205404] [2025-01-10 02:38:46,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026205404] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:46,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750855228] [2025-01-10 02:38:46,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:46,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:46,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:46,436 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 02:38:46,438 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 02:38:46,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 02:38:46,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 02:38:46,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:46,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:46,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:46,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:38:46,633 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:46,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750855228] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:46,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:46,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-01-10 02:38:46,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274976877] [2025-01-10 02:38:46,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:46,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:46,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:46,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:46,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:46,636 INFO L87 Difference]: Start difference. First operand 230 states and 350 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:46,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:46,704 INFO L93 Difference]: Finished difference Result 466 states and 724 transitions. [2025-01-10 02:38:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:46,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 98 [2025-01-10 02:38:46,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:46,707 INFO L225 Difference]: With dead ends: 466 [2025-01-10 02:38:46,707 INFO L226 Difference]: Without dead ends: 254 [2025-01-10 02:38:46,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:46,708 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 21 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:46,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 805 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:46,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-01-10 02:38:46,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2025-01-10 02:38:46,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 193 states have (on average 1.5647668393782384) internal successors, (302), 204 states have internal predecessors, (302), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2025-01-10 02:38:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 388 transitions. [2025-01-10 02:38:46,721 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 388 transitions. Word has length 98 [2025-01-10 02:38:46,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:46,721 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 388 transitions. [2025-01-10 02:38:46,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 388 transitions. [2025-01-10 02:38:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 02:38:46,723 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:46,723 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:46,732 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 02:38:46,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:46,924 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:46,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:46,924 INFO L85 PathProgramCache]: Analyzing trace with hash 975570722, now seen corresponding path program 1 times [2025-01-10 02:38:46,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:46,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669252324] [2025-01-10 02:38:46,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:46,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:46,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 02:38:46,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 02:38:46,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:46,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:47,079 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-01-10 02:38:47,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:47,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669252324] [2025-01-10 02:38:47,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669252324] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:47,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398361488] [2025-01-10 02:38:47,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:47,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:47,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:47,082 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 02:38:47,088 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 02:38:47,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 02:38:47,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 02:38:47,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:47,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:47,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:47,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-01-10 02:38:47,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:47,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398361488] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:47,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:47,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-01-10 02:38:47,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314596383] [2025-01-10 02:38:47,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:47,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:47,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:47,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:47,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:47,289 INFO L87 Difference]: Start difference. First operand 254 states and 388 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:47,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:47,364 INFO L93 Difference]: Finished difference Result 510 states and 789 transitions. [2025-01-10 02:38:47,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:47,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2025-01-10 02:38:47,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:47,367 INFO L225 Difference]: With dead ends: 510 [2025-01-10 02:38:47,367 INFO L226 Difference]: Without dead ends: 274 [2025-01-10 02:38:47,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:47,369 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 19 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:47,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 792 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:47,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2025-01-10 02:38:47,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2025-01-10 02:38:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 209 states have (on average 1.569377990430622) internal successors, (328), 220 states have internal predecessors, (328), 45 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-01-10 02:38:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 418 transitions. [2025-01-10 02:38:47,387 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 418 transitions. Word has length 100 [2025-01-10 02:38:47,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:47,388 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 418 transitions. [2025-01-10 02:38:47,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 418 transitions. [2025-01-10 02:38:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-01-10 02:38:47,390 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:47,391 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:47,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 02:38:47,592 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,SelfDestructingSolverStorable8 [2025-01-10 02:38:47,592 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:47,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:47,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1648397138, now seen corresponding path program 1 times [2025-01-10 02:38:47,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:47,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600957187] [2025-01-10 02:38:47,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:47,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:47,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-10 02:38:47,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-10 02:38:47,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:47,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:47,706 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 02:38:47,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:47,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600957187] [2025-01-10 02:38:47,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600957187] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:47,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190013300] [2025-01-10 02:38:47,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:47,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:47,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:47,709 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:47,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 02:38:47,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-10 02:38:47,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-10 02:38:47,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:47,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:47,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:47,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-01-10 02:38:47,925 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:47,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190013300] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:47,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:47,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:38:47,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529451023] [2025-01-10 02:38:47,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:47,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:47,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:47,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:47,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:47,927 INFO L87 Difference]: Start difference. First operand 274 states and 418 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:47,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:47,963 INFO L93 Difference]: Finished difference Result 282 states and 433 transitions. [2025-01-10 02:38:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:47,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2025-01-10 02:38:47,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:47,966 INFO L225 Difference]: With dead ends: 282 [2025-01-10 02:38:47,966 INFO L226 Difference]: Without dead ends: 281 [2025-01-10 02:38:47,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:47,967 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 12 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:47,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 812 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:47,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2025-01-10 02:38:47,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 273. [2025-01-10 02:38:47,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 209 states have (on average 1.5645933014354068) internal successors, (327), 219 states have internal predecessors, (327), 45 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-01-10 02:38:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 417 transitions. [2025-01-10 02:38:47,990 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 417 transitions. Word has length 101 [2025-01-10 02:38:47,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:47,991 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 417 transitions. [2025-01-10 02:38:47,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 417 transitions. [2025-01-10 02:38:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-10 02:38:47,993 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:47,993 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:48,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 02:38:48,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:48,194 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:48,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:48,194 INFO L85 PathProgramCache]: Analyzing trace with hash -439295968, now seen corresponding path program 1 times [2025-01-10 02:38:48,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:48,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290022906] [2025-01-10 02:38:48,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:48,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:48,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-10 02:38:48,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-10 02:38:48,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:48,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 02:38:48,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:48,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290022906] [2025-01-10 02:38:48,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290022906] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:48,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204603084] [2025-01-10 02:38:48,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:48,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:48,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:48,318 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:48,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 02:38:48,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-10 02:38:48,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-10 02:38:48,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:48,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:48,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:48,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-01-10 02:38:48,515 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:48,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204603084] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:48,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:48,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:38:48,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485407276] [2025-01-10 02:38:48,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:48,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:48,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:48,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:48,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:48,516 INFO L87 Difference]: Start difference. First operand 273 states and 417 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:48,571 INFO L93 Difference]: Finished difference Result 468 states and 718 transitions. [2025-01-10 02:38:48,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:48,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2025-01-10 02:38:48,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:48,575 INFO L225 Difference]: With dead ends: 468 [2025-01-10 02:38:48,575 INFO L226 Difference]: Without dead ends: 283 [2025-01-10 02:38:48,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:48,577 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 11 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:48,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 830 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:48,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2025-01-10 02:38:48,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2025-01-10 02:38:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 218 states have (on average 1.5596330275229358) internal successors, (340), 227 states have internal predecessors, (340), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-01-10 02:38:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 434 transitions. [2025-01-10 02:38:48,592 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 434 transitions. Word has length 102 [2025-01-10 02:38:48,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:48,592 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 434 transitions. [2025-01-10 02:38:48,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-10 02:38:48,593 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 434 transitions. [2025-01-10 02:38:48,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-10 02:38:48,594 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:48,595 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:48,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-10 02:38:48,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:48,796 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:48,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:48,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1239691136, now seen corresponding path program 1 times [2025-01-10 02:38:48,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:48,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813132713] [2025-01-10 02:38:48,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:48,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:48,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 02:38:48,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 02:38:48,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:48,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 02:38:48,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:48,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813132713] [2025-01-10 02:38:48,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813132713] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:48,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290782168] [2025-01-10 02:38:48,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:48,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:48,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:48,910 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:48,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 02:38:49,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 02:38:49,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 02:38:49,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:49,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:49,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:49,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:38:49,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:49,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290782168] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:49,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:49,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:38:49,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697795144] [2025-01-10 02:38:49,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:49,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:49,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:49,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:49,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:49,114 INFO L87 Difference]: Start difference. First operand 283 states and 434 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-10 02:38:49,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:49,155 INFO L93 Difference]: Finished difference Result 294 states and 453 transitions. [2025-01-10 02:38:49,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:49,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2025-01-10 02:38:49,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:49,161 INFO L225 Difference]: With dead ends: 294 [2025-01-10 02:38:49,161 INFO L226 Difference]: Without dead ends: 293 [2025-01-10 02:38:49,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:49,162 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 10 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:49,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 815 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:49,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2025-01-10 02:38:49,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 284. [2025-01-10 02:38:49,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 219 states have (on average 1.5570776255707763) internal successors, (341), 228 states have internal predecessors, (341), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-01-10 02:38:49,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 435 transitions. [2025-01-10 02:38:49,179 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 435 transitions. Word has length 109 [2025-01-10 02:38:49,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:49,179 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 435 transitions. [2025-01-10 02:38:49,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-10 02:38:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 435 transitions. [2025-01-10 02:38:49,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-10 02:38:49,181 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:49,182 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:49,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 02:38:49,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:49,385 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:49,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:49,386 INFO L85 PathProgramCache]: Analyzing trace with hash -224280130, now seen corresponding path program 1 times [2025-01-10 02:38:49,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:49,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912635974] [2025-01-10 02:38:49,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:49,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:49,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 02:38:49,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 02:38:49,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:49,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 02:38:49,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:49,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912635974] [2025-01-10 02:38:49,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912635974] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:49,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234932442] [2025-01-10 02:38:49,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:49,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:49,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:49,509 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:49,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 02:38:49,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 02:38:49,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 02:38:49,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:49,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:49,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:49,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:38:49,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:49,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234932442] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:49,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:49,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:38:49,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216444350] [2025-01-10 02:38:49,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:49,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:49,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:49,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:49,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:49,704 INFO L87 Difference]: Start difference. First operand 284 states and 435 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-10 02:38:49,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:49,741 INFO L93 Difference]: Finished difference Result 286 states and 437 transitions. [2025-01-10 02:38:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:49,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2025-01-10 02:38:49,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:49,744 INFO L225 Difference]: With dead ends: 286 [2025-01-10 02:38:49,744 INFO L226 Difference]: Without dead ends: 285 [2025-01-10 02:38:49,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:49,745 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 9 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:49,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 854 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:49,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-01-10 02:38:49,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2025-01-10 02:38:49,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 220 states have (on average 1.5545454545454545) internal successors, (342), 229 states have internal predecessors, (342), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-01-10 02:38:49,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 436 transitions. [2025-01-10 02:38:49,760 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 436 transitions. Word has length 110 [2025-01-10 02:38:49,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:49,760 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 436 transitions. [2025-01-10 02:38:49,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-10 02:38:49,760 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 436 transitions. [2025-01-10 02:38:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-01-10 02:38:49,762 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:49,763 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:49,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 02:38:49,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-10 02:38:49,964 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:49,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:49,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1230472324, now seen corresponding path program 1 times [2025-01-10 02:38:49,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:49,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102552427] [2025-01-10 02:38:49,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:49,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:49,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-10 02:38:49,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 02:38:49,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:49,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:50,096 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 02:38:50,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:50,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102552427] [2025-01-10 02:38:50,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102552427] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:50,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780990819] [2025-01-10 02:38:50,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:50,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:50,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:50,099 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:50,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 02:38:50,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-10 02:38:50,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 02:38:50,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:50,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:50,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:38:50,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:38:50,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:50,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780990819] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:50,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:50,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-10 02:38:50,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488747972] [2025-01-10 02:38:50,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:50,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:38:50,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:50,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:38:50,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:50,306 INFO L87 Difference]: Start difference. First operand 285 states and 436 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-10 02:38:50,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:50,354 INFO L93 Difference]: Finished difference Result 290 states and 446 transitions. [2025-01-10 02:38:50,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:50,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2025-01-10 02:38:50,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:50,357 INFO L225 Difference]: With dead ends: 290 [2025-01-10 02:38:50,358 INFO L226 Difference]: Without dead ends: 289 [2025-01-10 02:38:50,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:50,359 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 12 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:50,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1067 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:50,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-01-10 02:38:50,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 284. [2025-01-10 02:38:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 220 states have (on average 1.55) internal successors, (341), 228 states have internal predecessors, (341), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-01-10 02:38:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 435 transitions. [2025-01-10 02:38:50,373 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 435 transitions. Word has length 111 [2025-01-10 02:38:50,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:50,373 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 435 transitions. [2025-01-10 02:38:50,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-10 02:38:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 435 transitions. [2025-01-10 02:38:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-10 02:38:50,375 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:50,375 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:50,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 02:38:50,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-10 02:38:50,576 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:50,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:50,577 INFO L85 PathProgramCache]: Analyzing trace with hash -510063302, now seen corresponding path program 1 times [2025-01-10 02:38:50,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:50,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914719935] [2025-01-10 02:38:50,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:50,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:50,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-10 02:38:50,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 02:38:50,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:50,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 02:38:50,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:50,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914719935] [2025-01-10 02:38:50,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914719935] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:50,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8706755] [2025-01-10 02:38:50,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:50,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:50,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:50,708 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:50,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 02:38:50,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-10 02:38:50,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 02:38:50,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:50,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:50,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:38:50,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:38:50,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:50,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8706755] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:50,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:50,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2025-01-10 02:38:50,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546196998] [2025-01-10 02:38:50,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:50,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:38:50,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:50,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:38:50,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:38:50,936 INFO L87 Difference]: Start difference. First operand 284 states and 435 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-10 02:38:50,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:50,996 INFO L93 Difference]: Finished difference Result 487 states and 749 transitions. [2025-01-10 02:38:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:38:50,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2025-01-10 02:38:50,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:50,999 INFO L225 Difference]: With dead ends: 487 [2025-01-10 02:38:50,999 INFO L226 Difference]: Without dead ends: 291 [2025-01-10 02:38:51,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:38:51,001 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 29 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:51,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1135 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:51,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-01-10 02:38:51,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2025-01-10 02:38:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 223 states have (on average 1.5560538116591929) internal successors, (347), 230 states have internal predecessors, (347), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-10 02:38:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 443 transitions. [2025-01-10 02:38:51,018 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 443 transitions. Word has length 112 [2025-01-10 02:38:51,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:51,018 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 443 transitions. [2025-01-10 02:38:51,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-10 02:38:51,019 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 443 transitions. [2025-01-10 02:38:51,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-01-10 02:38:51,021 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:51,021 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:51,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 02:38:51,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:51,222 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:51,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:51,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1891334418, now seen corresponding path program 1 times [2025-01-10 02:38:51,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:51,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49711197] [2025-01-10 02:38:51,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:51,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:51,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-10 02:38:51,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-10 02:38:51,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:51,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-10 02:38:51,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:51,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49711197] [2025-01-10 02:38:51,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49711197] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:51,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457353129] [2025-01-10 02:38:51,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:51,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:51,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:51,350 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:51,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 02:38:51,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-10 02:38:51,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-10 02:38:51,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:51,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:51,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:51,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-10 02:38:51,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:51,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457353129] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:51,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:51,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:38:51,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459624601] [2025-01-10 02:38:51,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:51,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:51,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:51,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:51,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:51,561 INFO L87 Difference]: Start difference. First operand 287 states and 443 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-10 02:38:51,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:51,605 INFO L93 Difference]: Finished difference Result 296 states and 458 transitions. [2025-01-10 02:38:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:51,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2025-01-10 02:38:51,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:51,608 INFO L225 Difference]: With dead ends: 296 [2025-01-10 02:38:51,611 INFO L226 Difference]: Without dead ends: 295 [2025-01-10 02:38:51,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:51,612 INFO L435 NwaCegarLoop]: 294 mSDtfsCounter, 8 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:51,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 848 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:51,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-01-10 02:38:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 288. [2025-01-10 02:38:51,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 224 states have (on average 1.5535714285714286) internal successors, (348), 231 states have internal predecessors, (348), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-10 02:38:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 444 transitions. [2025-01-10 02:38:51,626 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 444 transitions. Word has length 117 [2025-01-10 02:38:51,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:51,627 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 444 transitions. [2025-01-10 02:38:51,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-10 02:38:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 444 transitions. [2025-01-10 02:38:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-01-10 02:38:51,629 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:51,629 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:51,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 02:38:51,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:51,830 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:51,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:51,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1498175516, now seen corresponding path program 1 times [2025-01-10 02:38:51,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:51,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751192545] [2025-01-10 02:38:51,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:51,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:51,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-10 02:38:51,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-10 02:38:51,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:51,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-10 02:38:51,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:51,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751192545] [2025-01-10 02:38:51,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751192545] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:51,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807294973] [2025-01-10 02:38:51,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:51,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:51,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:51,960 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:51,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 02:38:52,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-10 02:38:52,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-10 02:38:52,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:52,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:52,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:38:52,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:52,168 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-10 02:38:52,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:52,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807294973] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:52,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:52,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:38:52,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566121207] [2025-01-10 02:38:52,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:52,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:38:52,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:52,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:38:52,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:52,170 INFO L87 Difference]: Start difference. First operand 288 states and 444 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-10 02:38:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:52,205 INFO L93 Difference]: Finished difference Result 291 states and 447 transitions. [2025-01-10 02:38:52,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:38:52,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2025-01-10 02:38:52,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:52,212 INFO L225 Difference]: With dead ends: 291 [2025-01-10 02:38:52,212 INFO L226 Difference]: Without dead ends: 290 [2025-01-10 02:38:52,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:38:52,213 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 7 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:52,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 811 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:52,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-01-10 02:38:52,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 289. [2025-01-10 02:38:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 225 states have (on average 1.551111111111111) internal successors, (349), 232 states have internal predecessors, (349), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-10 02:38:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 445 transitions. [2025-01-10 02:38:52,226 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 445 transitions. Word has length 118 [2025-01-10 02:38:52,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:52,228 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 445 transitions. [2025-01-10 02:38:52,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-10 02:38:52,228 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 445 transitions. [2025-01-10 02:38:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-10 02:38:52,231 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:52,231 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:52,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-10 02:38:52,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:38:52,432 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:52,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:52,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1973721074, now seen corresponding path program 1 times [2025-01-10 02:38:52,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:52,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675555524] [2025-01-10 02:38:52,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:52,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:52,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-10 02:38:52,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-10 02:38:52,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:52,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-10 02:38:52,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:52,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675555524] [2025-01-10 02:38:52,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675555524] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:52,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239243355] [2025-01-10 02:38:52,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:52,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:52,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:52,572 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:52,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 02:38:52,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-10 02:38:52,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-10 02:38:52,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:52,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:52,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:38:52,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-10 02:38:52,791 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:52,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239243355] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:52,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:52,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-10 02:38:52,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171797307] [2025-01-10 02:38:52,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:52,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:38:52,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:52,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:38:52,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:52,793 INFO L87 Difference]: Start difference. First operand 289 states and 445 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-10 02:38:52,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:52,848 INFO L93 Difference]: Finished difference Result 297 states and 459 transitions. [2025-01-10 02:38:52,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:52,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2025-01-10 02:38:52,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:52,851 INFO L225 Difference]: With dead ends: 297 [2025-01-10 02:38:52,851 INFO L226 Difference]: Without dead ends: 296 [2025-01-10 02:38:52,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:52,852 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 10 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:52,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1114 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:52,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-01-10 02:38:52,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 290. [2025-01-10 02:38:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 226 states have (on average 1.5486725663716814) internal successors, (350), 233 states have internal predecessors, (350), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-10 02:38:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 446 transitions. [2025-01-10 02:38:52,866 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 446 transitions. Word has length 119 [2025-01-10 02:38:52,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:52,866 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 446 transitions. [2025-01-10 02:38:52,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-10 02:38:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 446 transitions. [2025-01-10 02:38:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-10 02:38:52,869 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:52,869 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:52,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 02:38:53,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:38:53,070 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:53,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:53,071 INFO L85 PathProgramCache]: Analyzing trace with hash 550603250, now seen corresponding path program 1 times [2025-01-10 02:38:53,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:53,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794035245] [2025-01-10 02:38:53,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:53,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:53,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-10 02:38:53,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-10 02:38:53,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:53,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-10 02:38:53,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:53,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794035245] [2025-01-10 02:38:53,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794035245] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:53,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009786484] [2025-01-10 02:38:53,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:53,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:53,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:53,177 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:53,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 02:38:53,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-10 02:38:53,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-10 02:38:53,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:53,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:53,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:38:53,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-10 02:38:53,388 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:53,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009786484] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:53,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:53,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-10 02:38:53,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783090320] [2025-01-10 02:38:53,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:53,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:38:53,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:53,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:38:53,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:53,391 INFO L87 Difference]: Start difference. First operand 290 states and 446 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-10 02:38:53,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:53,439 INFO L93 Difference]: Finished difference Result 298 states and 460 transitions. [2025-01-10 02:38:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:38:53,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2025-01-10 02:38:53,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:53,442 INFO L225 Difference]: With dead ends: 298 [2025-01-10 02:38:53,442 INFO L226 Difference]: Without dead ends: 297 [2025-01-10 02:38:53,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:38:53,444 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 12 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:53,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1083 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:53,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2025-01-10 02:38:53,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 288. [2025-01-10 02:38:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 225 states have (on average 1.5466666666666666) internal successors, (348), 231 states have internal predecessors, (348), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-10 02:38:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 444 transitions. [2025-01-10 02:38:53,465 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 444 transitions. Word has length 119 [2025-01-10 02:38:53,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:53,466 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 444 transitions. [2025-01-10 02:38:53,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-10 02:38:53,466 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 444 transitions. [2025-01-10 02:38:53,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-10 02:38:53,468 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:53,468 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:53,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 02:38:53,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:53,669 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:53,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:53,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1055811480, now seen corresponding path program 1 times [2025-01-10 02:38:53,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:53,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018648486] [2025-01-10 02:38:53,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:53,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:53,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 02:38:53,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 02:38:53,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:53,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-10 02:38:53,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:53,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018648486] [2025-01-10 02:38:53,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018648486] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:53,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890206313] [2025-01-10 02:38:53,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:53,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:53,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:53,777 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:53,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 02:38:53,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 02:38:53,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 02:38:53,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:53,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:53,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:38:53,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-10 02:38:54,003 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:54,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890206313] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:54,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:54,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2025-01-10 02:38:54,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111193429] [2025-01-10 02:38:54,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:54,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:38:54,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:54,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:38:54,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:38:54,005 INFO L87 Difference]: Start difference. First operand 288 states and 444 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-10 02:38:54,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:54,053 INFO L93 Difference]: Finished difference Result 293 states and 450 transitions. [2025-01-10 02:38:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:38:54,054 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2025-01-10 02:38:54,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:54,056 INFO L225 Difference]: With dead ends: 293 [2025-01-10 02:38:54,056 INFO L226 Difference]: Without dead ends: 292 [2025-01-10 02:38:54,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:38:54,057 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 19 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:54,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1105 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:38:54,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2025-01-10 02:38:54,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 288. [2025-01-10 02:38:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 225 states have (on average 1.5466666666666666) internal successors, (348), 231 states have internal predecessors, (348), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-10 02:38:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 444 transitions. [2025-01-10 02:38:54,073 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 444 transitions. Word has length 120 [2025-01-10 02:38:54,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:54,073 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 444 transitions. [2025-01-10 02:38:54,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-10 02:38:54,073 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 444 transitions. [2025-01-10 02:38:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-10 02:38:54,075 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:54,075 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:54,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 02:38:54,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:54,279 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:54,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:54,280 INFO L85 PathProgramCache]: Analyzing trace with hash -111168104, now seen corresponding path program 1 times [2025-01-10 02:38:54,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:54,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842329683] [2025-01-10 02:38:54,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:54,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:54,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 02:38:54,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 02:38:54,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:54,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:54,395 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-10 02:38:54,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:54,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842329683] [2025-01-10 02:38:54,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842329683] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:54,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827180398] [2025-01-10 02:38:54,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:54,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:54,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:54,397 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:54,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 02:38:54,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 02:38:54,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 02:38:54,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:54,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:54,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:38:54,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:54,631 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-10 02:38:54,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:54,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827180398] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:54,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:54,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2025-01-10 02:38:54,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316354116] [2025-01-10 02:38:54,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:54,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:38:54,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:54,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:38:54,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:38:54,632 INFO L87 Difference]: Start difference. First operand 288 states and 444 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-10 02:38:54,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:54,705 INFO L93 Difference]: Finished difference Result 503 states and 775 transitions. [2025-01-10 02:38:54,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:38:54,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2025-01-10 02:38:54,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:54,709 INFO L225 Difference]: With dead ends: 503 [2025-01-10 02:38:54,709 INFO L226 Difference]: Without dead ends: 303 [2025-01-10 02:38:54,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:38:54,710 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 16 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:54,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1435 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:38:54,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-01-10 02:38:54,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 290. [2025-01-10 02:38:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 227 states have (on average 1.5418502202643172) internal successors, (350), 233 states have internal predecessors, (350), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-10 02:38:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 446 transitions. [2025-01-10 02:38:54,725 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 446 transitions. Word has length 120 [2025-01-10 02:38:54,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:54,726 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 446 transitions. [2025-01-10 02:38:54,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-10 02:38:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 446 transitions. [2025-01-10 02:38:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-10 02:38:54,728 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:38:54,728 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:38:54,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-10 02:38:54,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:54,929 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:38:54,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:38:54,929 INFO L85 PathProgramCache]: Analyzing trace with hash -21244396, now seen corresponding path program 1 times [2025-01-10 02:38:54,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:38:54,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199539] [2025-01-10 02:38:54,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:54,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:38:54,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-10 02:38:54,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-10 02:38:54,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:54,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-10 02:38:55,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:38:55,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199539] [2025-01-10 02:38:55,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199539] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:38:55,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935635792] [2025-01-10 02:38:55,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:38:55,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:55,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:38:55,025 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:38:55,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 02:38:55,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-10 02:38:55,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-10 02:38:55,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:38:55,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:38:55,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:38:55,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:38:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-10 02:38:55,294 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:38:55,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935635792] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:38:55,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:38:55,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2025-01-10 02:38:55,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581407597] [2025-01-10 02:38:55,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:38:55,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:38:55,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:38:55,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:38:55,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:38:55,295 INFO L87 Difference]: Start difference. First operand 290 states and 446 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-01-10 02:38:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:38:55,391 INFO L93 Difference]: Finished difference Result 304 states and 471 transitions. [2025-01-10 02:38:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:38:55,391 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 122 [2025-01-10 02:38:55,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:38:55,392 INFO L225 Difference]: With dead ends: 304 [2025-01-10 02:38:55,392 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 02:38:55,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:38:55,394 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 27 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:38:55,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1932 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:38:55,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 02:38:55,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 02:38:55,395 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 02:38:55,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 02:38:55,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 122 [2025-01-10 02:38:55,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:38:55,396 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 02:38:55,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-01-10 02:38:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 02:38:55,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 02:38:55,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-01-10 02:38:55,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-01-10 02:38:55,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-01-10 02:38:55,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-01-10 02:38:55,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-01-10 02:38:55,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-01-10 02:38:55,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-01-10 02:38:55,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-01-10 02:38:55,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-10 02:38:55,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:38:55,605 INFO L422 BasicCegarLoop]: Path program histogram: [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 02:38:55,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-10 02:38:55,919 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 02:38:55,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:38:55 BoogieIcfgContainer [2025-01-10 02:38:55,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 02:38:55,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 02:38:55,933 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 02:38:55,933 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 02:38:55,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:38:42" (3/4) ... [2025-01-10 02:38:55,936 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 02:38:55,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2025-01-10 02:38:55,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2025-01-10 02:38:55,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2025-01-10 02:38:55,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2025-01-10 02:38:55,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-10 02:38:55,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2025-01-10 02:38:55,956 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-01-10 02:38:55,957 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-01-10 02:38:55,958 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-10 02:38:55,958 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 02:38:55,989 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 < (var + 2147483649)) && ((\old(history_id) != 0) || (history_id == 0))) [2025-01-10 02:38:56,044 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 < (var + 2147483649)) && ((\old(history_id) != 0) || (history_id == 0))) [2025-01-10 02:38:56,085 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 02:38:56,086 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 02:38:56,086 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 02:38:56,087 INFO L158 Benchmark]: Toolchain (without parser) took 15454.59ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 111.4MB in the beginning and 114.5MB in the end (delta: -3.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2025-01-10 02:38:56,088 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:38:56,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.48ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 94.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 02:38:56,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.79ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 91.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:38:56,090 INFO L158 Benchmark]: Boogie Preprocessor took 54.75ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 88.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:38:56,090 INFO L158 Benchmark]: RCFGBuilder took 892.24ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 50.7MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-10 02:38:56,090 INFO L158 Benchmark]: TraceAbstraction took 13892.99ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 49.9MB in the beginning and 126.5MB in the end (delta: -76.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:38:56,090 INFO L158 Benchmark]: Witness Printer took 152.89ms. Allocated memory is still 218.1MB. Free memory was 126.5MB in the beginning and 114.5MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 02:38:56,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.48ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 94.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.79ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 91.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.75ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 88.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 892.24ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 50.7MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 13892.99ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 49.9MB in the beginning and 126.5MB in the end (delta: -76.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 152.89ms. Allocated memory is still 218.1MB. Free memory was 126.5MB in the beginning and 114.5MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. 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: 273]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 273]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 281]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 281]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: 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, 191 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 22, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 404 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 369 mSDsluCounter, 21514 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15308 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1020 IncrementalHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 6206 mSDtfsCounter, 1020 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2103 GetRequests, 1963 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=18, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 117 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 4033 NumberOfCodeBlocks, 4033 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 3992 ConstructedInterpolants, 0 QuantifiedInterpolants, 4612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 10623 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 41 InterpolantComputations, 22 PerfectInterpolantSequences, 1814/1875 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 8 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((0 < (var + 2147483649)) && ((\old(history_id) != 0) || (history_id == 0))) RESULT: Ultimate proved your program to be correct! [2025-01-10 02:38:56,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE