./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.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_BER_test7-2.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 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:13:12,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:13:12,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:13:12,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:13:12,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:13:12,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:13:12,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:13:12,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:13:12,630 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:13:12,630 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:13:12,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:13:12,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:13:12,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:13:12,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:13:12,630 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:13:12,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:13:12,631 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:13:12,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:13:12,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:13:12,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:13:12,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:13:12,632 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 -> 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 [2025-01-10 06:13:12,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:13:12,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:13:12,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:13:12,897 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:13:12,897 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:13:12,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2025-01-10 06:13:14,043 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42bc2be2b/1f00c25ac52047bc9ba99e7059051013/FLAGa36914b39 [2025-01-10 06:13:14,418 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:13:14,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2025-01-10 06:13:14,434 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42bc2be2b/1f00c25ac52047bc9ba99e7059051013/FLAGa36914b39 [2025-01-10 06:13:14,621 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42bc2be2b/1f00c25ac52047bc9ba99e7059051013 [2025-01-10 06:13:14,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:13:14,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:13:14,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:13:14,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:13:14,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:13:14,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:13:14" (1/1) ... [2025-01-10 06:13:14,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729b956a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:14, skipping insertion in model container [2025-01-10 06:13:14,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:13:14" (1/1) ... [2025-01-10 06:13:14,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:13:14,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:13:14,932 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:13:15,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:13:15,050 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:13:15,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15 WrapperNode [2025-01-10 06:13:15,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:13:15,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:13:15,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:13:15,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:13:15,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,144 INFO L138 Inliner]: procedures = 176, calls = 323, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1543 [2025-01-10 06:13:15,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:13:15,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:13:15,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:13:15,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:13:15,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,241 INFO L175 MemorySlicer]: Split 301 memory accesses to 3 slices as follows [2, 265, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2025-01-10 06:13:15,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,274 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:13:15,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:13:15,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:13:15,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:13:15,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (1/1) ... [2025-01-10 06:13:15,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:13:15,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:15,332 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 06:13:15,338 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 06:13:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-01-10 06:13:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-01-10 06:13:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 06:13:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 06:13:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-10 06:13:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-10 06:13:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-10 06:13:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-10 06:13:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-10 06:13:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:13:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:13:15,569 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:13:15,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:13:16,767 INFO L? ?]: Removed 341 outVars from TransFormulas that were not future-live. [2025-01-10 06:13:16,767 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:13:16,780 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:13:16,780 INFO L312 CfgBuilder]: Removed 35 assume(true) statements. [2025-01-10 06:13:16,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:13:16 BoogieIcfgContainer [2025-01-10 06:13:16,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:13:16,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:13:16,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:13:16,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:13:16,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:13:14" (1/3) ... [2025-01-10 06:13:16,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adb45a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:13:16, skipping insertion in model container [2025-01-10 06:13:16,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:15" (2/3) ... [2025-01-10 06:13:16,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adb45a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:13:16, skipping insertion in model container [2025-01-10 06:13:16,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:13:16" (3/3) ... [2025-01-10 06:13:16,789 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test7-2.i [2025-01-10 06:13:16,805 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:13:16,806 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test7-2.i that has 5 procedures, 448 locations, 1 initial locations, 43 loop locations, and 6 error locations. [2025-01-10 06:13:16,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:13:16,854 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;@5d2e1156, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:13:16,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-10 06:13:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 440 states, 426 states have (on average 1.619718309859155) internal successors, (690), 433 states have internal predecessors, (690), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 06:13:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 06:13:16,862 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:16,862 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:16,862 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 06:13:16,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:16,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1000487724, now seen corresponding path program 1 times [2025-01-10 06:13:16,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:16,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746633533] [2025-01-10 06:13:16,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:16,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:16,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:13:16,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:13:16,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:16,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 06:13:16,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1175305032] [2025-01-10 06:13:16,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:16,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:16,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:16,963 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 06:13:16,964 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 06:13:17,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:13:17,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:13:17,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:17,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:17,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:13:17,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:17,133 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 06:13:17,167 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 06:13:17,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:13:17,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:17,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746633533] [2025-01-10 06:13:17,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 06:13:17,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175305032] [2025-01-10 06:13:17,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175305032] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:17,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:17,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:13:17,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155005963] [2025-01-10 06:13:17,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:17,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:13:17,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:17,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:13:17,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:17,192 INFO L87 Difference]: Start difference. First operand has 440 states, 426 states have (on average 1.619718309859155) internal successors, (690), 433 states have internal predecessors, (690), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 06:13:17,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:17,365 INFO L93 Difference]: Finished difference Result 1301 states and 2084 transitions. [2025-01-10 06:13:17,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:13:17,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-01-10 06:13:17,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:17,382 INFO L225 Difference]: With dead ends: 1301 [2025-01-10 06:13:17,382 INFO L226 Difference]: Without dead ends: 785 [2025-01-10 06:13:17,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 06:13:17,390 INFO L435 NwaCegarLoop]: 642 mSDtfsCounter, 600 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:17,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1876 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:17,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2025-01-10 06:13:17,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 402. [2025-01-10 06:13:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 392 states have (on average 1.4540816326530612) internal successors, (570), 397 states have internal predecessors, (570), 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 06:13:17,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 576 transitions. [2025-01-10 06:13:17,452 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 576 transitions. Word has length 8 [2025-01-10 06:13:17,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:17,452 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 576 transitions. [2025-01-10 06:13:17,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 06:13:17,452 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 576 transitions. [2025-01-10 06:13:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 06:13:17,453 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:17,453 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:17,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 06:13:17,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-10 06:13:17,657 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:17,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:17,658 INFO L85 PathProgramCache]: Analyzing trace with hash 950348457, now seen corresponding path program 1 times [2025-01-10 06:13:17,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:17,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553667304] [2025-01-10 06:13:17,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:17,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:17,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:13:17,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:13:17,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:17,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 06:13:17,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633285412] [2025-01-10 06:13:17,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:17,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:17,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:17,694 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 06:13:17,695 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 06:13:17,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:13:17,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:13:17,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:17,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:17,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:13:17,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:17,841 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 06:13:17,864 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 06:13:17,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:13:17,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:17,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553667304] [2025-01-10 06:13:17,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 06:13:17,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633285412] [2025-01-10 06:13:17,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633285412] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:17,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:17,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:13:17,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768115126] [2025-01-10 06:13:17,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:17,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:13:17,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:17,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:13:17,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:17,866 INFO L87 Difference]: Start difference. First operand 402 states and 576 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 06:13:17,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:17,968 INFO L93 Difference]: Finished difference Result 785 states and 1131 transitions. [2025-01-10 06:13:17,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:13:17,968 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 06:13:17,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:17,972 INFO L225 Difference]: With dead ends: 785 [2025-01-10 06:13:17,972 INFO L226 Difference]: Without dead ends: 784 [2025-01-10 06:13:17,973 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 06:13:17,973 INFO L435 NwaCegarLoop]: 546 mSDtfsCounter, 548 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:17,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1633 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:17,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2025-01-10 06:13:17,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 403. [2025-01-10 06:13:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4529262086513994) internal successors, (571), 398 states have internal predecessors, (571), 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 06:13:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2025-01-10 06:13:17,985 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 9 [2025-01-10 06:13:17,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:17,985 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2025-01-10 06:13:17,986 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 06:13:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2025-01-10 06:13:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-01-10 06:13:17,987 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:17,987 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] [2025-01-10 06:13:17,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 06:13:18,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:18,188 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 06:13:18,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:18,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1392051061, now seen corresponding path program 1 times [2025-01-10 06:13:18,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:18,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989367110] [2025-01-10 06:13:18,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:18,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:18,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-10 06:13:18,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 06:13:18,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:18,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:18,598 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 06:13:18,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:18,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989367110] [2025-01-10 06:13:18,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989367110] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:18,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:18,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:13:18,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297778471] [2025-01-10 06:13:18,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:18,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:13:18,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:18,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:13:18,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:18,600 INFO L87 Difference]: Start difference. First operand 403 states and 577 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 06:13:18,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:18,677 INFO L93 Difference]: Finished difference Result 970 states and 1401 transitions. [2025-01-10 06:13:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:13:18,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2025-01-10 06:13:18,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:18,680 INFO L225 Difference]: With dead ends: 970 [2025-01-10 06:13:18,680 INFO L226 Difference]: Without dead ends: 783 [2025-01-10 06:13:18,681 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 06:13:18,681 INFO L435 NwaCegarLoop]: 548 mSDtfsCounter, 551 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1638 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:18,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1638 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:18,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2025-01-10 06:13:18,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 403. [2025-01-10 06:13:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.450381679389313) internal successors, (570), 398 states have internal predecessors, (570), 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 06:13:18,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 576 transitions. [2025-01-10 06:13:18,692 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 576 transitions. Word has length 70 [2025-01-10 06:13:18,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:18,692 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 576 transitions. [2025-01-10 06:13:18,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 06:13:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 576 transitions. [2025-01-10 06:13:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-10 06:13:18,694 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:18,694 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] [2025-01-10 06:13:18,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:13:18,694 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:18,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:18,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1666939625, now seen corresponding path program 1 times [2025-01-10 06:13:18,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:18,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220130632] [2025-01-10 06:13:18,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:18,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:18,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 06:13:18,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 06:13:18,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:18,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:18,862 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 06:13:18,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:18,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220130632] [2025-01-10 06:13:18,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220130632] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:18,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:18,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:13:18,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266721360] [2025-01-10 06:13:18,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:18,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:13:18,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:18,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:13:18,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:18,864 INFO L87 Difference]: Start difference. First operand 403 states and 576 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 06:13:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:18,922 INFO L93 Difference]: Finished difference Result 800 states and 1146 transitions. [2025-01-10 06:13:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:13:18,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2025-01-10 06:13:18,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:18,924 INFO L225 Difference]: With dead ends: 800 [2025-01-10 06:13:18,924 INFO L226 Difference]: Without dead ends: 406 [2025-01-10 06:13:18,925 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 06:13:18,926 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 105 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:18,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1533 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:13:18,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-01-10 06:13:18,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2025-01-10 06:13:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4325699745547074) internal successors, (563), 398 states have internal predecessors, (563), 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 06:13:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 569 transitions. [2025-01-10 06:13:18,935 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 569 transitions. Word has length 81 [2025-01-10 06:13:18,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:18,935 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 569 transitions. [2025-01-10 06:13:18,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 06:13:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 569 transitions. [2025-01-10 06:13:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-10 06:13:18,937 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:18,937 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] [2025-01-10 06:13:18,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:13:18,937 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 06:13:18,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:18,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1538676899, now seen corresponding path program 1 times [2025-01-10 06:13:18,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:18,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762221823] [2025-01-10 06:13:18,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:18,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:18,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 06:13:18,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 06:13:18,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:18,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:19,044 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 06:13:19,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:19,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762221823] [2025-01-10 06:13:19,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762221823] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:19,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:19,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:13:19,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49973105] [2025-01-10 06:13:19,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:19,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:13:19,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:19,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:13:19,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:13:19,046 INFO L87 Difference]: Start difference. First operand 403 states and 569 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 06:13:19,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:19,108 INFO L93 Difference]: Finished difference Result 1087 states and 1556 transitions. [2025-01-10 06:13:19,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:13:19,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 81 [2025-01-10 06:13:19,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:19,111 INFO L225 Difference]: With dead ends: 1087 [2025-01-10 06:13:19,111 INFO L226 Difference]: Without dead ends: 693 [2025-01-10 06:13:19,112 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 06:13:19,112 INFO L435 NwaCegarLoop]: 746 mSDtfsCounter, 371 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:19,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 1285 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:13:19,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2025-01-10 06:13:19,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 690. [2025-01-10 06:13:19,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 680 states have (on average 1.451470588235294) internal successors, (987), 685 states have internal predecessors, (987), 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 06:13:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 993 transitions. [2025-01-10 06:13:19,126 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 993 transitions. Word has length 81 [2025-01-10 06:13:19,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:19,126 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 993 transitions. [2025-01-10 06:13:19,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 06:13:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 993 transitions. [2025-01-10 06:13:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-10 06:13:19,141 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:19,141 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] [2025-01-10 06:13:19,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 06:13:19,141 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 06:13:19,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:19,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1088517953, now seen corresponding path program 1 times [2025-01-10 06:13:19,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:19,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677548055] [2025-01-10 06:13:19,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:19,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:19,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-10 06:13:19,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 06:13:19,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:19,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:19,533 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 06:13:19,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:19,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677548055] [2025-01-10 06:13:19,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677548055] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:19,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:19,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:13:19,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697393051] [2025-01-10 06:13:19,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:19,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:13:19,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:19,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:13:19,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:19,535 INFO L87 Difference]: Start difference. First operand 690 states and 993 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 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 06:13:19,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:19,632 INFO L93 Difference]: Finished difference Result 975 states and 1395 transitions. [2025-01-10 06:13:19,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:13:19,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 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 96 [2025-01-10 06:13:19,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:19,637 INFO L225 Difference]: With dead ends: 975 [2025-01-10 06:13:19,637 INFO L226 Difference]: Without dead ends: 973 [2025-01-10 06:13:19,638 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 06:13:19,639 INFO L435 NwaCegarLoop]: 541 mSDtfsCounter, 458 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1616 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:19,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 1616 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:19,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2025-01-10 06:13:19,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 754. [2025-01-10 06:13:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 741 states have (on average 1.437246963562753) internal successors, (1065), 746 states have internal predecessors, (1065), 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 06:13:19,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1077 transitions. [2025-01-10 06:13:19,670 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1077 transitions. Word has length 96 [2025-01-10 06:13:19,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:19,671 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1077 transitions. [2025-01-10 06:13:19,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 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 06:13:19,671 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1077 transitions. [2025-01-10 06:13:19,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-10 06:13:19,672 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:19,672 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] [2025-01-10 06:13:19,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:13:19,672 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:19,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:19,672 INFO L85 PathProgramCache]: Analyzing trace with hash 219021788, now seen corresponding path program 1 times [2025-01-10 06:13:19,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:19,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049396106] [2025-01-10 06:13:19,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:19,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:19,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 06:13:19,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 06:13:19,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:19,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:20,107 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 06:13:20,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:20,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049396106] [2025-01-10 06:13:20,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049396106] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:13:20,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145344165] [2025-01-10 06:13:20,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:20,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:20,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:20,110 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 06:13:20,120 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 06:13:20,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 06:13:20,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 06:13:20,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:20,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:20,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-10 06:13:20,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:20,397 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 06:13:20,413 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 06:13:20,433 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 06:13:21,161 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 06:13:21,161 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:13:21,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145344165] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:21,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:13:21,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-01-10 06:13:21,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099622918] [2025-01-10 06:13:21,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:21,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:13:21,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:21,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:13:21,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:13:21,162 INFO L87 Difference]: Start difference. First operand 754 states and 1077 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 06:13:22,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:22,950 INFO L93 Difference]: Finished difference Result 1687 states and 2409 transitions. [2025-01-10 06:13:22,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 06:13:22,950 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 103 [2025-01-10 06:13:22,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:22,954 INFO L225 Difference]: With dead ends: 1687 [2025-01-10 06:13:22,954 INFO L226 Difference]: Without dead ends: 1021 [2025-01-10 06:13:22,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-01-10 06:13:22,955 INFO L435 NwaCegarLoop]: 540 mSDtfsCounter, 812 mSDsluCounter, 2876 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 3416 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:22,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 3416 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-01-10 06:13:22,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2025-01-10 06:13:22,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 779. [2025-01-10 06:13:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 766 states have (on average 1.4295039164490861) internal successors, (1095), 771 states have internal predecessors, (1095), 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 06:13:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1107 transitions. [2025-01-10 06:13:22,971 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1107 transitions. Word has length 103 [2025-01-10 06:13:22,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:22,971 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1107 transitions. [2025-01-10 06:13:22,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 06:13:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1107 transitions. [2025-01-10 06:13:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 06:13:22,972 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:22,972 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 06:13:22,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 06:13:23,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:23,172 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:23,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:23,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1801433153, now seen corresponding path program 1 times [2025-01-10 06:13:23,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:23,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730133448] [2025-01-10 06:13:23,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:23,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:23,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 06:13:23,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 06:13:23,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:23,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:23,415 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 06:13:23,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730133448] [2025-01-10 06:13:23,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730133448] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:13:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436726559] [2025-01-10 06:13:23,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:23,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:23,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:23,418 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:13:23,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 06:13:23,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 06:13:23,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 06:13:23,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:23,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:23,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-10 06:13:23,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:52,915 WARN L286 SmtUtils]: Spent 8.88s 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 06:14:52,292 WARN L286 SmtUtils]: Spent 5.69s 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)