./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-2.i --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/uthash-2.0.2/uthash_SFH_nondet_test2-2.i -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 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:28:02,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:28:02,981 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:28:02,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:28:02,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:28:03,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:28:03,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:28:03,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:28:03,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:28:03,008 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:28:03,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:28:03,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:28:03,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:28:03,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:28:03,008 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:28:03,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:28:03,009 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:28:03,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:28:03,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:28:03,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:28:03,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:28:03,010 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 -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2025-01-10 06:28:03,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:28:03,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:28:03,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:28:03,269 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:28:03,269 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:28:03,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-2.i [2025-01-10 06:28:04,449 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c772c010/37fd4c717b294bf79f94b07f93a11f92/FLAGb3a73d777 [2025-01-10 06:28:04,825 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:28:04,828 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-2.i [2025-01-10 06:28:04,843 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c772c010/37fd4c717b294bf79f94b07f93a11f92/FLAGb3a73d777 [2025-01-10 06:28:04,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c772c010/37fd4c717b294bf79f94b07f93a11f92 [2025-01-10 06:28:04,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:28:04,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:28:04,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:28:04,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:28:04,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:28:04,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:28:04" (1/1) ... [2025-01-10 06:28:04,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbfb86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:04, skipping insertion in model container [2025-01-10 06:28:04,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:28:04" (1/1) ... [2025-01-10 06:28:04,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:28:05,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:28:05,251 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:28:05,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:28:05,369 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:28:05,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05 WrapperNode [2025-01-10 06:28:05,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:28:05,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:28:05,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:28:05,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:28:05,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,436 INFO L138 Inliner]: procedures = 207, calls = 273, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1406 [2025-01-10 06:28:05,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:28:05,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:28:05,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:28:05,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:28:05,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,454 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,515 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 34, 218]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2025-01-10 06:28:05,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,537 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:28:05,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:28:05,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:28:05,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:28:05,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (1/1) ... [2025-01-10 06:28:05,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:28:05,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:28:05,603 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 06:28:05,607 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 06:28:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-10 06:28:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-10 06:28:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-10 06:28:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-10 06:28:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-10 06:28:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-10 06:28:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:28:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-10 06:28:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-10 06:28:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-10 06:28:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:28:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:28:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-10 06:28:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:28:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:28:05,828 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:28:05,830 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:28:06,995 INFO L? ?]: Removed 329 outVars from TransFormulas that were not future-live. [2025-01-10 06:28:06,995 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:28:07,006 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:28:07,006 INFO L312 CfgBuilder]: Removed 31 assume(true) statements. [2025-01-10 06:28:07,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:28:07 BoogieIcfgContainer [2025-01-10 06:28:07,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:28:07,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:28:07,008 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:28:07,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:28:07,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:28:04" (1/3) ... [2025-01-10 06:28:07,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b39134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:28:07, skipping insertion in model container [2025-01-10 06:28:07,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:28:05" (2/3) ... [2025-01-10 06:28:07,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b39134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:28:07, skipping insertion in model container [2025-01-10 06:28:07,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:28:07" (3/3) ... [2025-01-10 06:28:07,013 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test2-2.i [2025-01-10 06:28:07,022 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:28:07,023 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_nondet_test2-2.i that has 4 procedures, 417 locations, 1 initial locations, 38 loop locations, and 6 error locations. [2025-01-10 06:28:07,065 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:28:07,072 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;@6cdf3549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:28:07,072 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-10 06:28:07,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 409 states, 398 states have (on average 1.6180904522613064) internal successors, (644), 404 states have internal predecessors, (644), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 06:28:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 06:28:07,083 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:28:07,083 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:28:07,083 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:28:07,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:28:07,087 INFO L85 PathProgramCache]: Analyzing trace with hash 223901251, now seen corresponding path program 1 times [2025-01-10 06:28:07,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:28:07,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810640817] [2025-01-10 06:28:07,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:07,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:28:07,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:28:07,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:28:07,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:07,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:07,217 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 06:28:07,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:28:07,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810640817] [2025-01-10 06:28:07,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810640817] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:28:07,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:28:07,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:28:07,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218165596] [2025-01-10 06:28:07,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:28:07,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 06:28:07,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:28:07,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 06:28:07,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 06:28:07,233 INFO L87 Difference]: Start difference. First operand has 409 states, 398 states have (on average 1.6180904522613064) internal successors, (644), 404 states have internal predecessors, (644), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:28:07,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:28:07,267 INFO L93 Difference]: Finished difference Result 814 states and 1295 transitions. [2025-01-10 06:28:07,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 06:28:07,268 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-10 06:28:07,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:28:07,274 INFO L225 Difference]: With dead ends: 814 [2025-01-10 06:28:07,274 INFO L226 Difference]: Without dead ends: 370 [2025-01-10 06:28:07,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 06:28:07,278 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:28:07,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:28:07,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-01-10 06:28:07,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2025-01-10 06:28:07,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 360 states have (on average 1.4638888888888888) internal successors, (527), 365 states have internal predecessors, (527), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 06:28:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 533 transitions. [2025-01-10 06:28:07,335 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 533 transitions. Word has length 9 [2025-01-10 06:28:07,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:28:07,335 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 533 transitions. [2025-01-10 06:28:07,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:28:07,335 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 533 transitions. [2025-01-10 06:28:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 06:28:07,335 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:28:07,335 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:28:07,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:28:07,336 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:28:07,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:28:07,336 INFO L85 PathProgramCache]: Analyzing trace with hash 223903173, now seen corresponding path program 1 times [2025-01-10 06:28:07,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:28:07,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621003629] [2025-01-10 06:28:07,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:07,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:28:07,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:28:07,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:28:07,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:07,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 06:28:07,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [735147275] [2025-01-10 06:28:07,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:07,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:28:07,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:28:07,366 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 06:28:07,368 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 06:28:07,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:28:07,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:28:07,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:07,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:07,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 06:28:07,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:28:07,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-10 06:28:07,537 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 06:28:07,537 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:28:07,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:28:07,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621003629] [2025-01-10 06:28:07,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 06:28:07,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735147275] [2025-01-10 06:28:07,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735147275] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:28:07,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:28:07,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:28:07,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660330971] [2025-01-10 06:28:07,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:28:07,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:28:07,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:28:07,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:28:07,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:28:07,540 INFO L87 Difference]: Start difference. First operand 370 states and 533 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:28:07,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:28:07,647 INFO L93 Difference]: Finished difference Result 733 states and 1059 transitions. [2025-01-10 06:28:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:28:07,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-10 06:28:07,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:28:07,650 INFO L225 Difference]: With dead ends: 733 [2025-01-10 06:28:07,650 INFO L226 Difference]: Without dead ends: 731 [2025-01-10 06:28:07,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 06:28:07,651 INFO L435 NwaCegarLoop]: 553 mSDtfsCounter, 512 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:28:07,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 1610 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:28:07,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2025-01-10 06:28:07,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 377. [2025-01-10 06:28:07,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 367 states have (on average 1.457765667574932) internal successors, (535), 372 states have internal predecessors, (535), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 06:28:07,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 541 transitions. [2025-01-10 06:28:07,668 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 541 transitions. Word has length 9 [2025-01-10 06:28:07,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:28:07,668 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 541 transitions. [2025-01-10 06:28:07,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:28:07,669 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 541 transitions. [2025-01-10 06:28:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-10 06:28:07,670 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:28:07,670 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:28:07,677 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 06:28:07,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:28:07,875 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:28:07,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:28:07,875 INFO L85 PathProgramCache]: Analyzing trace with hash -822685057, now seen corresponding path program 1 times [2025-01-10 06:28:07,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:28:07,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773978358] [2025-01-10 06:28:07,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:07,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:28:07,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 06:28:07,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 06:28:07,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:07,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:08,144 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 06:28:08,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:28:08,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773978358] [2025-01-10 06:28:08,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773978358] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:28:08,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:28:08,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:28:08,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761549477] [2025-01-10 06:28:08,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:28:08,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:28:08,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:28:08,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:28:08,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:28:08,145 INFO L87 Difference]: Start difference. First operand 377 states and 541 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 06:28:08,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:28:08,238 INFO L93 Difference]: Finished difference Result 539 states and 778 transitions. [2025-01-10 06:28:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:28:08,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2025-01-10 06:28:08,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:28:08,239 INFO L225 Difference]: With dead ends: 539 [2025-01-10 06:28:08,239 INFO L226 Difference]: Without dead ends: 380 [2025-01-10 06:28:08,240 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 06:28:08,240 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 105 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:28:08,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1425 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:28:08,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-01-10 06:28:08,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 377. [2025-01-10 06:28:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 367 states have (on average 1.438692098092643) internal successors, (528), 372 states have internal predecessors, (528), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 06:28:08,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 534 transitions. [2025-01-10 06:28:08,259 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 534 transitions. Word has length 66 [2025-01-10 06:28:08,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:28:08,260 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 534 transitions. [2025-01-10 06:28:08,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 06:28:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 534 transitions. [2025-01-10 06:28:08,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-10 06:28:08,261 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:28:08,261 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:28:08,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:28:08,262 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:28:08,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:28:08,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1248514419, now seen corresponding path program 1 times [2025-01-10 06:28:08,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:28:08,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126270346] [2025-01-10 06:28:08,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:08,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:28:08,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 06:28:08,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 06:28:08,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:08,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:08,505 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 06:28:08,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:28:08,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126270346] [2025-01-10 06:28:08,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126270346] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:28:08,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:28:08,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:28:08,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649958188] [2025-01-10 06:28:08,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:28:08,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:28:08,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:28:08,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:28:08,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:28:08,510 INFO L87 Difference]: Start difference. First operand 377 states and 534 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 06:28:08,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:28:08,574 INFO L93 Difference]: Finished difference Result 731 states and 1043 transitions. [2025-01-10 06:28:08,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:28:08,575 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2025-01-10 06:28:08,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:28:08,577 INFO L225 Difference]: With dead ends: 731 [2025-01-10 06:28:08,577 INFO L226 Difference]: Without dead ends: 729 [2025-01-10 06:28:08,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:28:08,578 INFO L435 NwaCegarLoop]: 511 mSDtfsCounter, 449 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:28:08,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 1526 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:28:08,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2025-01-10 06:28:08,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 534. [2025-01-10 06:28:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 524 states have (on average 1.4370229007633588) internal successors, (753), 529 states have internal predecessors, (753), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 06:28:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 759 transitions. [2025-01-10 06:28:08,600 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 759 transitions. Word has length 66 [2025-01-10 06:28:08,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:28:08,601 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 759 transitions. [2025-01-10 06:28:08,601 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), 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 06:28:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 759 transitions. [2025-01-10 06:28:08,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 06:28:08,603 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:28:08,603 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:28:08,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:28:08,603 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:28:08,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:28:08,604 INFO L85 PathProgramCache]: Analyzing trace with hash 157669932, now seen corresponding path program 1 times [2025-01-10 06:28:08,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:28:08,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117202597] [2025-01-10 06:28:08,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:08,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:28:08,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 06:28:08,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 06:28:08,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:08,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:08,733 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 06:28:08,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:28:08,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117202597] [2025-01-10 06:28:08,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117202597] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:28:08,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:28:08,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:28:08,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590681914] [2025-01-10 06:28:08,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:28:08,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:28:08,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:28:08,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:28:08,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:28:08,734 INFO L87 Difference]: Start difference. First operand 534 states and 759 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 06:28:08,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:28:08,795 INFO L93 Difference]: Finished difference Result 1078 states and 1537 transitions. [2025-01-10 06:28:08,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:28:08,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2025-01-10 06:28:08,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:28:08,799 INFO L225 Difference]: With dead ends: 1078 [2025-01-10 06:28:08,799 INFO L226 Difference]: Without dead ends: 554 [2025-01-10 06:28:08,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:28:08,800 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 8 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:28:08,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 997 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:28:08,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2025-01-10 06:28:08,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2025-01-10 06:28:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 544 states have (on average 1.4209558823529411) internal successors, (773), 549 states have internal predecessors, (773), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 06:28:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 779 transitions. [2025-01-10 06:28:08,819 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 779 transitions. Word has length 82 [2025-01-10 06:28:08,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:28:08,819 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 779 transitions. [2025-01-10 06:28:08,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 06:28:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 779 transitions. [2025-01-10 06:28:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 06:28:08,821 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:28:08,821 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:28:08,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 06:28:08,821 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:28:08,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:28:08,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1834202928, now seen corresponding path program 1 times [2025-01-10 06:28:08,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:28:08,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156601365] [2025-01-10 06:28:08,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:08,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:28:08,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 06:28:08,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 06:28:08,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:08,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:09,012 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 06:28:09,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:28:09,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156601365] [2025-01-10 06:28:09,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156601365] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:28:09,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:28:09,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:28:09,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310834585] [2025-01-10 06:28:09,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:28:09,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:28:09,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:28:09,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:28:09,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:28:09,015 INFO L87 Difference]: Start difference. First operand 554 states and 779 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 06:28:09,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:28:09,071 INFO L93 Difference]: Finished difference Result 1036 states and 1458 transitions. [2025-01-10 06:28:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:28:09,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2025-01-10 06:28:09,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:28:09,073 INFO L225 Difference]: With dead ends: 1036 [2025-01-10 06:28:09,073 INFO L226 Difference]: Without dead ends: 492 [2025-01-10 06:28:09,073 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 06:28:09,074 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 32 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:28:09,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1252 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:28:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2025-01-10 06:28:09,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2025-01-10 06:28:09,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 482 states have (on average 1.396265560165975) internal successors, (673), 487 states have internal predecessors, (673), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 06:28:09,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 679 transitions. [2025-01-10 06:28:09,092 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 679 transitions. Word has length 82 [2025-01-10 06:28:09,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:28:09,092 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 679 transitions. [2025-01-10 06:28:09,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 06:28:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 679 transitions. [2025-01-10 06:28:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 06:28:09,093 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:28:09,093 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:28:09,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:28:09,093 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:28:09,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:28:09,094 INFO L85 PathProgramCache]: Analyzing trace with hash -937684510, now seen corresponding path program 1 times [2025-01-10 06:28:09,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:28:09,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525850082] [2025-01-10 06:28:09,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:09,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:28:09,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 06:28:09,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 06:28:09,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:09,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:09,227 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 06:28:09,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:28:09,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525850082] [2025-01-10 06:28:09,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525850082] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:28:09,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:28:09,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:28:09,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139017248] [2025-01-10 06:28:09,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:28:09,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:28:09,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:28:09,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:28:09,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:28:09,230 INFO L87 Difference]: Start difference. First operand 492 states and 679 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 06:28:09,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:28:09,277 INFO L93 Difference]: Finished difference Result 1333 states and 1855 transitions. [2025-01-10 06:28:09,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:28:09,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2025-01-10 06:28:09,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:28:09,281 INFO L225 Difference]: With dead ends: 1333 [2025-01-10 06:28:09,281 INFO L226 Difference]: Without dead ends: 851 [2025-01-10 06:28:09,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:28:09,283 INFO L435 NwaCegarLoop]: 441 mSDtfsCounter, 257 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:28:09,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 869 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:28:09,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2025-01-10 06:28:09,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 849. [2025-01-10 06:28:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 839 states have (on average 1.4040524433849821) internal successors, (1178), 844 states have internal predecessors, (1178), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 06:28:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1184 transitions. [2025-01-10 06:28:09,303 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1184 transitions. Word has length 82 [2025-01-10 06:28:09,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:28:09,304 INFO L471 AbstractCegarLoop]: Abstraction has 849 states and 1184 transitions. [2025-01-10 06:28:09,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 06:28:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1184 transitions. [2025-01-10 06:28:09,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-10 06:28:09,305 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:28:09,305 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:28:09,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 06:28:09,307 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:28:09,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:28:09,308 INFO L85 PathProgramCache]: Analyzing trace with hash -622127240, now seen corresponding path program 1 times [2025-01-10 06:28:09,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:28:09,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360504936] [2025-01-10 06:28:09,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:09,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:28:09,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-10 06:28:09,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 06:28:09,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:09,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:28:09,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:28:09,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360504936] [2025-01-10 06:28:09,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360504936] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:28:09,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:28:09,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:28:09,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55785086] [2025-01-10 06:28:09,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:28:09,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:28:09,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:28:09,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:28:09,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:28:09,603 INFO L87 Difference]: Start difference. First operand 849 states and 1184 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:28:09,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:28:09,667 INFO L93 Difference]: Finished difference Result 915 states and 1270 transitions. [2025-01-10 06:28:09,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:28:09,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 97 [2025-01-10 06:28:09,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:28:09,671 INFO L225 Difference]: With dead ends: 915 [2025-01-10 06:28:09,672 INFO L226 Difference]: Without dead ends: 913 [2025-01-10 06:28:09,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:28:09,672 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 337 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:28:09,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 1277 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:28:09,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2025-01-10 06:28:09,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 913. [2025-01-10 06:28:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 900 states have (on average 1.3955555555555557) internal successors, (1256), 905 states have internal predecessors, (1256), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 06:28:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1268 transitions. [2025-01-10 06:28:09,688 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1268 transitions. Word has length 97 [2025-01-10 06:28:09,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:28:09,689 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1268 transitions. [2025-01-10 06:28:09,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:28:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1268 transitions. [2025-01-10 06:28:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 06:28:09,690 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:28:09,690 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:28:09,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 06:28:09,690 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:28:09,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:28:09,690 INFO L85 PathProgramCache]: Analyzing trace with hash -552871487, now seen corresponding path program 1 times [2025-01-10 06:28:09,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:28:09,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466627308] [2025-01-10 06:28:09,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:09,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:28:09,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 06:28:09,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 06:28:09,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:09,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:28:09,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:28:09,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466627308] [2025-01-10 06:28:09,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466627308] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:28:09,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024162820] [2025-01-10 06:28:09,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:09,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:28:09,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:28:09,975 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 06:28:09,976 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 06:28:10,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 06:28:10,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 06:28:10,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:10,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:10,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-10 06:28:10,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:28:10,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-10 06:28:10,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-10 06:28:10,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-01-10 06:28:10,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 06:28:10,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2025-01-10 06:28:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:28:10,946 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:28:10,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024162820] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:28:10,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:28:10,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-01-10 06:28:10,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810922917] [2025-01-10 06:28:10,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:28:10,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:28:10,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:28:10,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:28:10,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:28:10,948 INFO L87 Difference]: Start difference. First operand 913 states and 1268 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:28:12,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:28:12,091 INFO L93 Difference]: Finished difference Result 1652 states and 2298 transitions. [2025-01-10 06:28:12,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 06:28:12,091 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2025-01-10 06:28:12,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:28:12,094 INFO L225 Difference]: With dead ends: 1652 [2025-01-10 06:28:12,094 INFO L226 Difference]: Without dead ends: 915 [2025-01-10 06:28:12,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2025-01-10 06:28:12,098 INFO L435 NwaCegarLoop]: 416 mSDtfsCounter, 540 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 06:28:12,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 2871 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 06:28:12,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2025-01-10 06:28:12,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 913. [2025-01-10 06:28:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 900 states have (on average 1.3944444444444444) internal successors, (1255), 905 states have internal predecessors, (1255), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 06:28:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1267 transitions. [2025-01-10 06:28:12,115 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1267 transitions. Word has length 104 [2025-01-10 06:28:12,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:28:12,115 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1267 transitions. [2025-01-10 06:28:12,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:28:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1267 transitions. [2025-01-10 06:28:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-01-10 06:28:12,120 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:28:12,120 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:28:12,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 06:28:12,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:28:12,325 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:28:12,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:28:12,326 INFO L85 PathProgramCache]: Analyzing trace with hash 995384506, now seen corresponding path program 1 times [2025-01-10 06:28:12,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:28:12,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15886767] [2025-01-10 06:28:12,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:12,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:28:12,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-10 06:28:12,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-10 06:28:12,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:12,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:28:12,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:28:12,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15886767] [2025-01-10 06:28:12,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15886767] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:28:12,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664550997] [2025-01-10 06:28:12,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:28:12,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:28:12,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:28:12,604 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 06:28:12,610 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 06:28:12,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-10 06:28:13,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-10 06:28:13,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:28:13,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:28:13,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-10 06:28:13,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:28:48,159 WARN L286 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-10 06:29:35,400 WARN L286 SmtUtils]: Spent 7.96s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)