./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.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_FNV_nondet_test1-1.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 fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:13:34,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:13:34,682 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:13:34,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:13:34,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:13:34,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:13:34,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:13:34,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:13:34,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:13:34,736 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:13:34,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:13:34,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:13:34,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:13:34,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:13:34,736 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:13:34,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:13:34,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:13:34,737 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:13:34,738 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:13:34,738 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:13:34,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:13:34,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:13:34,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:13:34,739 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 -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2025-01-10 06:13:35,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:13:35,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:13:35,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:13:35,161 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:13:35,161 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:13:35,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.i [2025-01-10 06:13:36,348 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f19a46aee/c5a984cb7cee437da73083e32978a6f1/FLAGcf807063d [2025-01-10 06:13:36,613 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:13:36,613 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.i [2025-01-10 06:13:36,627 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f19a46aee/c5a984cb7cee437da73083e32978a6f1/FLAGcf807063d [2025-01-10 06:13:36,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f19a46aee/c5a984cb7cee437da73083e32978a6f1 [2025-01-10 06:13:36,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:13:36,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:13:36,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:13:36,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:13:36,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:13:36,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:13:36" (1/1) ... [2025-01-10 06:13:36,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192bcea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:36, skipping insertion in model container [2025-01-10 06:13:36,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:13:36" (1/1) ... [2025-01-10 06:13:36,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:13:37,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:13:37,278 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:13:37,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:13:37,401 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:13:37,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37 WrapperNode [2025-01-10 06:13:37,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:13:37,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:13:37,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:13:37,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:13:37,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,451 INFO L138 Inliner]: procedures = 176, calls = 170, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 779 [2025-01-10 06:13:37,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:13:37,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:13:37,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:13:37,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:13:37,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,494 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2025-01-10 06:13:37,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,508 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:13:37,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:13:37,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:13:37,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:13:37,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (1/1) ... [2025-01-10 06:13:37,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:13:37,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:37,552 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 06:13:37,555 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 06:13:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 06:13:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 06:13:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 06:13:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 06:13:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-10 06:13:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-10 06:13:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-10 06:13:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-10 06:13:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:13:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:13:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-10 06:13:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-10 06:13:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-10 06:13:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-10 06:13:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:13:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:13:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:13:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:13:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:13:37,686 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:13:37,688 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:13:38,488 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2025-01-10 06:13:38,488 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:13:38,508 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:13:38,508 INFO L312 CfgBuilder]: Removed 14 assume(true) statements. [2025-01-10 06:13:38,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:13:38 BoogieIcfgContainer [2025-01-10 06:13:38,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:13:38,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:13:38,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:13:38,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:13:38,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:13:36" (1/3) ... [2025-01-10 06:13:38,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d8e1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:13:38, skipping insertion in model container [2025-01-10 06:13:38,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:37" (2/3) ... [2025-01-10 06:13:38,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d8e1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:13:38, skipping insertion in model container [2025-01-10 06:13:38,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:13:38" (3/3) ... [2025-01-10 06:13:38,518 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test1-1.i [2025-01-10 06:13:38,527 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:13:38,528 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_nondet_test1-1.i that has 3 procedures, 223 locations, 1 initial locations, 20 loop locations, and 6 error locations. [2025-01-10 06:13:38,572 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:13:38,580 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;@a7ce7cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:13:38,580 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-10 06:13:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 219 states, 208 states have (on average 1.6057692307692308) internal successors, (334), 214 states have internal predecessors, (334), 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 06:13:38,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 06:13:38,587 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:38,587 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 06:13:38,587 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:38,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:38,591 INFO L85 PathProgramCache]: Analyzing trace with hash 44703485, now seen corresponding path program 1 times [2025-01-10 06:13:38,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:38,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914609509] [2025-01-10 06:13:38,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:38,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:38,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:13:38,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:13:38,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:38,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:38,726 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 06:13:38,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:38,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914609509] [2025-01-10 06:13:38,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914609509] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:38,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:38,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:13:38,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646015877] [2025-01-10 06:13:38,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:38,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:13:38,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:38,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:13:38,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:13:38,751 INFO L87 Difference]: Start difference. First operand has 219 states, 208 states have (on average 1.6057692307692308) internal successors, (334), 214 states have internal predecessors, (334), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 06:13:38,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:38,815 INFO L93 Difference]: Finished difference Result 632 states and 993 transitions. [2025-01-10 06:13:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:13:38,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2025-01-10 06:13:38,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:38,823 INFO L225 Difference]: With dead ends: 632 [2025-01-10 06:13:38,823 INFO L226 Difference]: Without dead ends: 409 [2025-01-10 06:13:38,826 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 06:13:38,827 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 277 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:38,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 602 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:13:38,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-01-10 06:13:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 213. [2025-01-10 06:13:38,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 203 states have (on average 1.4532019704433496) internal successors, (295), 208 states have internal predecessors, (295), 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 06:13:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 301 transitions. [2025-01-10 06:13:38,899 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 301 transitions. Word has length 5 [2025-01-10 06:13:38,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:38,900 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 301 transitions. [2025-01-10 06:13:38,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 06:13:38,900 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 301 transitions. [2025-01-10 06:13:38,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 06:13:38,900 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:38,900 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 06:13:38,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:13:38,901 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:38,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:38,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1362875753, now seen corresponding path program 1 times [2025-01-10 06:13:38,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:38,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744159980] [2025-01-10 06:13:38,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:38,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:38,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 06:13:38,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 06:13:38,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:38,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:39,051 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 06:13:39,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:39,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744159980] [2025-01-10 06:13:39,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744159980] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:39,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:39,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:13:39,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423782677] [2025-01-10 06:13:39,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:39,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:13:39,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:39,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:13:39,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:39,054 INFO L87 Difference]: Start difference. First operand 213 states and 301 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:13:39,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:39,088 INFO L93 Difference]: Finished difference Result 218 states and 307 transitions. [2025-01-10 06:13:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:13:39,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 06:13:39,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:39,092 INFO L225 Difference]: With dead ends: 218 [2025-01-10 06:13:39,092 INFO L226 Difference]: Without dead ends: 217 [2025-01-10 06:13:39,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:39,092 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 2 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:39,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 590 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:13:39,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-01-10 06:13:39,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 216. [2025-01-10 06:13:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 211 states have internal predecessors, (298), 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 06:13:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions. [2025-01-10 06:13:39,108 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 6 [2025-01-10 06:13:39,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:39,108 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 304 transitions. [2025-01-10 06:13:39,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:13:39,108 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2025-01-10 06:13:39,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 06:13:39,108 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:39,108 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:39,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 06:13:39,108 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:39,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:39,109 INFO L85 PathProgramCache]: Analyzing trace with hash -700524554, now seen corresponding path program 1 times [2025-01-10 06:13:39,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:39,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298486923] [2025-01-10 06:13:39,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:39,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:39,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:13:39,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:13:39,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:39,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:39,224 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 06:13:39,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:39,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298486923] [2025-01-10 06:13:39,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298486923] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:39,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:39,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:13:39,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896152608] [2025-01-10 06:13:39,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:39,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:13:39,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:39,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:13:39,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:39,226 INFO L87 Difference]: Start difference. First operand 216 states and 304 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:13:39,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:39,261 INFO L93 Difference]: Finished difference Result 218 states and 306 transitions. [2025-01-10 06:13:39,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:13:39,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-01-10 06:13:39,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:39,262 INFO L225 Difference]: With dead ends: 218 [2025-01-10 06:13:39,263 INFO L226 Difference]: Without dead ends: 217 [2025-01-10 06:13:39,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:39,264 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 0 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:39,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 879 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:13:39,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-01-10 06:13:39,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2025-01-10 06:13:39,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 207 states have (on average 1.4444444444444444) internal successors, (299), 212 states have internal predecessors, (299), 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 06:13:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 305 transitions. [2025-01-10 06:13:39,278 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 305 transitions. Word has length 7 [2025-01-10 06:13:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:39,278 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 305 transitions. [2025-01-10 06:13:39,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:13:39,278 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 305 transitions. [2025-01-10 06:13:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-01-10 06:13:39,281 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:39,281 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] [2025-01-10 06:13:39,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:13:39,281 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 06:13:39,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:39,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1230645322, now seen corresponding path program 1 times [2025-01-10 06:13:39,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:39,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685640009] [2025-01-10 06:13:39,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:39,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:39,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-10 06:13:39,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-10 06:13:39,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:39,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:13:39,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:39,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685640009] [2025-01-10 06:13:39,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685640009] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:39,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:39,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:13:39,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563076709] [2025-01-10 06:13:39,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:39,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:13:39,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:39,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:13:39,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:39,537 INFO L87 Difference]: Start difference. First operand 217 states and 305 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 06:13:39,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:39,602 INFO L93 Difference]: Finished difference Result 430 states and 606 transitions. [2025-01-10 06:13:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:13:39,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2025-01-10 06:13:39,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:39,604 INFO L225 Difference]: With dead ends: 430 [2025-01-10 06:13:39,604 INFO L226 Difference]: Without dead ends: 220 [2025-01-10 06:13:39,604 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 06:13:39,605 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 105 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:39,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 726 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:39,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2025-01-10 06:13:39,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2025-01-10 06:13:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 207 states have (on average 1.4106280193236715) internal successors, (292), 212 states have internal predecessors, (292), 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 06:13:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 298 transitions. [2025-01-10 06:13:39,610 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 298 transitions. Word has length 79 [2025-01-10 06:13:39,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:39,610 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 298 transitions. [2025-01-10 06:13:39,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 06:13:39,610 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 298 transitions. [2025-01-10 06:13:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-01-10 06:13:39,612 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:39,612 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] [2025-01-10 06:13:39,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:13:39,612 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 06:13:39,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:39,613 INFO L85 PathProgramCache]: Analyzing trace with hash 251759786, now seen corresponding path program 1 times [2025-01-10 06:13:39,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:39,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118085500] [2025-01-10 06:13:39,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:39,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:39,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-10 06:13:39,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-10 06:13:39,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:39,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:39,797 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 06:13:39,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:39,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118085500] [2025-01-10 06:13:39,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118085500] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:39,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:39,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:13:39,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191647431] [2025-01-10 06:13:39,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:39,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:13:39,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:39,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:13:39,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:13:39,801 INFO L87 Difference]: Start difference. First operand 217 states and 298 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 06:13:39,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:39,845 INFO L93 Difference]: Finished difference Result 553 states and 775 transitions. [2025-01-10 06:13:39,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:13:39,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2025-01-10 06:13:39,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:39,850 INFO L225 Difference]: With dead ends: 553 [2025-01-10 06:13:39,850 INFO L226 Difference]: Without dead ends: 343 [2025-01-10 06:13:39,851 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 06:13:39,851 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 134 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:39,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 576 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:13:39,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2025-01-10 06:13:39,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2025-01-10 06:13:39,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 333 states have (on average 1.4324324324324325) internal successors, (477), 338 states have internal predecessors, (477), 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 06:13:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 483 transitions. [2025-01-10 06:13:39,869 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 483 transitions. Word has length 79 [2025-01-10 06:13:39,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:39,869 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 483 transitions. [2025-01-10 06:13:39,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 06:13:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 483 transitions. [2025-01-10 06:13:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-01-10 06:13:39,871 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:39,871 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] [2025-01-10 06:13:39,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 06:13:39,871 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 06:13:39,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:39,871 INFO L85 PathProgramCache]: Analyzing trace with hash -690610596, now seen corresponding path program 1 times [2025-01-10 06:13:39,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:39,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24397921] [2025-01-10 06:13:39,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:39,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:39,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-10 06:13:39,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 06:13:39,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:39,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:40,141 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 06:13:40,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:40,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24397921] [2025-01-10 06:13:40,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24397921] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:40,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:40,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:13:40,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250722647] [2025-01-10 06:13:40,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:40,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:13:40,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:40,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:13:40,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:40,145 INFO L87 Difference]: Start difference. First operand 343 states and 483 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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 06:13:40,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:40,180 INFO L93 Difference]: Finished difference Result 409 states and 569 transitions. [2025-01-10 06:13:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:13:40,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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 94 [2025-01-10 06:13:40,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:40,183 INFO L225 Difference]: With dead ends: 409 [2025-01-10 06:13:40,185 INFO L226 Difference]: Without dead ends: 407 [2025-01-10 06:13:40,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:40,185 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 186 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:40,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 859 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:13:40,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-01-10 06:13:40,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2025-01-10 06:13:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 394 states have (on average 1.4086294416243654) internal successors, (555), 399 states have internal predecessors, (555), 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 06:13:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 567 transitions. [2025-01-10 06:13:40,202 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 567 transitions. Word has length 94 [2025-01-10 06:13:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:40,203 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 567 transitions. [2025-01-10 06:13:40,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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 06:13:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 567 transitions. [2025-01-10 06:13:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 06:13:40,207 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:40,207 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:40,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:13:40,208 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:40,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:40,208 INFO L85 PathProgramCache]: Analyzing trace with hash 689768288, now seen corresponding path program 1 times [2025-01-10 06:13:40,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:40,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691201114] [2025-01-10 06:13:40,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:40,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:40,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 06:13:40,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 06:13:40,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:40,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:40,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:40,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691201114] [2025-01-10 06:13:40,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691201114] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:13:40,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836041321] [2025-01-10 06:13:40,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:40,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:40,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:40,455 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 06:13:40,457 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 06:13:40,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 06:13:40,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 06:13:40,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:40,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:40,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 06:13:40,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:40,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:40,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:13:40,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:40,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836041321] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:13:40,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:13:40,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-01-10 06:13:40,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266396481] [2025-01-10 06:13:40,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:13:40,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 06:13:40,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:40,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 06:13:40,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:13:40,955 INFO L87 Difference]: Start difference. First operand 407 states and 567 transitions. Second operand has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:13:41,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:41,038 INFO L93 Difference]: Finished difference Result 613 states and 856 transitions. [2025-01-10 06:13:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 06:13:41,039 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 98 [2025-01-10 06:13:41,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:41,041 INFO L225 Difference]: With dead ends: 613 [2025-01-10 06:13:41,041 INFO L226 Difference]: Without dead ends: 607 [2025-01-10 06:13:41,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:13:41,042 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 1058 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 2033 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:41,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1065 Valid, 2033 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:41,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-01-10 06:13:41,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 605. [2025-01-10 06:13:41,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 589 states have (on average 1.4091680814940577) internal successors, (830), 594 states have internal predecessors, (830), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 06:13:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 848 transitions. [2025-01-10 06:13:41,088 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 848 transitions. Word has length 98 [2025-01-10 06:13:41,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:41,088 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 848 transitions. [2025-01-10 06:13:41,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:13:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 848 transitions. [2025-01-10 06:13:41,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-01-10 06:13:41,098 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:41,098 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:13:41,114 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 06:13:41,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:41,298 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 06:13:41,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:41,299 INFO L85 PathProgramCache]: Analyzing trace with hash -114951834, now seen corresponding path program 1 times [2025-01-10 06:13:41,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:41,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487442883] [2025-01-10 06:13:41,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:41,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:41,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-10 06:13:41,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 06:13:41,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:41,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:41,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:41,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487442883] [2025-01-10 06:13:41,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487442883] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:13:41,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357308630] [2025-01-10 06:13:41,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:41,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:41,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:41,752 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 06:13:41,776 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 06:13:41,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-10 06:13:41,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 06:13:41,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:41,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:41,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 06:13:41,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:42,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:13:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:42,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357308630] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:13:42,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:13:42,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-01-10 06:13:42,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438612415] [2025-01-10 06:13:42,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:13:42,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 06:13:42,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:42,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 06:13:42,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:13:42,311 INFO L87 Difference]: Start difference. First operand 605 states and 848 transitions. Second operand has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:13:42,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:42,408 INFO L93 Difference]: Finished difference Result 813 states and 1141 transitions. [2025-01-10 06:13:42,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 06:13:42,408 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 99 [2025-01-10 06:13:42,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:42,411 INFO L225 Difference]: With dead ends: 813 [2025-01-10 06:13:42,411 INFO L226 Difference]: Without dead ends: 812 [2025-01-10 06:13:42,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-01-10 06:13:42,412 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 1128 mSDsluCounter, 1794 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 2123 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:42,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 2123 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:13:42,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2025-01-10 06:13:42,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 805. [2025-01-10 06:13:42,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 786 states have (on average 1.4083969465648856) internal successors, (1107), 791 states have internal predecessors, (1107), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 06:13:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1131 transitions. [2025-01-10 06:13:42,430 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1131 transitions. Word has length 99 [2025-01-10 06:13:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:42,430 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1131 transitions. [2025-01-10 06:13:42,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:13:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1131 transitions. [2025-01-10 06:13:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 06:13:42,431 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:42,431 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 06:13:42,441 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 06:13:42,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:42,633 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:42,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:42,633 INFO L85 PathProgramCache]: Analyzing trace with hash 731460505, now seen corresponding path program 1 times [2025-01-10 06:13:42,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:42,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965182203] [2025-01-10 06:13:42,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:42,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:42,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 06:13:42,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 06:13:42,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:42,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:43,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965182203] [2025-01-10 06:13:43,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965182203] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:13:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397451341] [2025-01-10 06:13:43,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:43,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:43,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:43,151 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 06:13:43,156 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 06:13:43,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 06:13:43,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 06:13:43,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:43,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:43,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 06:13:43,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:43,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:13:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:43,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397451341] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:13:43,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:13:43,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-01-10 06:13:43,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622050653] [2025-01-10 06:13:43,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:13:43,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 06:13:43,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:43,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 06:13:43,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:13:43,653 INFO L87 Difference]: Start difference. First operand 805 states and 1131 transitions. Second operand has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:13:43,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:43,752 INFO L93 Difference]: Finished difference Result 813 states and 1138 transitions. [2025-01-10 06:13:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 06:13:43,752 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 100 [2025-01-10 06:13:43,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:43,755 INFO L225 Difference]: With dead ends: 813 [2025-01-10 06:13:43,755 INFO L226 Difference]: Without dead ends: 812 [2025-01-10 06:13:43,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-01-10 06:13:43,756 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 1126 mSDsluCounter, 2432 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 2762 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:43,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 2762 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:43,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2025-01-10 06:13:43,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 806. [2025-01-10 06:13:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 787 states have (on average 1.4053367217280812) internal successors, (1106), 792 states have internal predecessors, (1106), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 06:13:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1130 transitions. [2025-01-10 06:13:43,771 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1130 transitions. Word has length 100 [2025-01-10 06:13:43,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:43,771 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1130 transitions. [2025-01-10 06:13:43,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:13:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1130 transitions. [2025-01-10 06:13:43,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-01-10 06:13:43,772 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:43,772 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:43,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 06:13:43,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:43,977 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:43,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:43,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1844642483, now seen corresponding path program 1 times [2025-01-10 06:13:43,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:43,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130163515] [2025-01-10 06:13:43,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:43,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:44,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-01-10 06:13:44,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-01-10 06:13:44,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:44,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:44,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:44,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130163515] [2025-01-10 06:13:44,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130163515] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:13:44,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364392498] [2025-01-10 06:13:44,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:44,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:44,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:44,265 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 06:13:44,267 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 06:13:44,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-01-10 06:13:44,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-01-10 06:13:44,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:44,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:44,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:13:44,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:44,740 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:13:44,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364392498] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:44,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:13:44,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-01-10 06:13:44,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651917284] [2025-01-10 06:13:44,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:44,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:13:44,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:44,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:13:44,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 06:13:44,741 INFO L87 Difference]: Start difference. First operand 806 states and 1130 transitions. Second operand has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 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 06:13:44,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:44,792 INFO L93 Difference]: Finished difference Result 806 states and 1130 transitions. [2025-01-10 06:13:44,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:13:44,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 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 172 [2025-01-10 06:13:44,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:44,796 INFO L225 Difference]: With dead ends: 806 [2025-01-10 06:13:44,796 INFO L226 Difference]: Without dead ends: 805 [2025-01-10 06:13:44,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 06:13:44,797 INFO L435 NwaCegarLoop]: 511 mSDtfsCounter, 425 mSDsluCounter, 1299 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:44,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1810 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:13:44,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2025-01-10 06:13:44,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 805. [2025-01-10 06:13:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 787 states have (on average 1.4015247776365947) internal successors, (1103), 791 states have internal predecessors, (1103), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 06:13:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1127 transitions. [2025-01-10 06:13:44,814 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1127 transitions. Word has length 172 [2025-01-10 06:13:44,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:44,815 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1127 transitions. [2025-01-10 06:13:44,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 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 06:13:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1127 transitions. [2025-01-10 06:13:44,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-01-10 06:13:44,816 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:44,817 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:44,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 06:13:45,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-10 06:13:45,018 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:45,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:45,018 INFO L85 PathProgramCache]: Analyzing trace with hash 370604125, now seen corresponding path program 1 times [2025-01-10 06:13:45,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:45,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888634715] [2025-01-10 06:13:45,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:45,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:45,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 251 statements into 1 equivalence classes. [2025-01-10 06:13:45,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 251 of 251 statements. [2025-01-10 06:13:45,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:45,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2025-01-10 06:13:45,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:45,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888634715] [2025-01-10 06:13:45,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888634715] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:45,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:45,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:13:45,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19551690] [2025-01-10 06:13:45,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:45,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:13:45,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:45,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:13:45,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:45,326 INFO L87 Difference]: Start difference. First operand 805 states and 1127 transitions. Second operand has 4 states, 3 states have (on average 56.333333333333336) internal successors, (169), 4 states have internal predecessors, (169), 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 06:13:45,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:45,346 INFO L93 Difference]: Finished difference Result 805 states and 1127 transitions. [2025-01-10 06:13:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:13:45,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 56.333333333333336) internal successors, (169), 4 states have internal predecessors, (169), 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 251 [2025-01-10 06:13:45,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:45,350 INFO L225 Difference]: With dead ends: 805 [2025-01-10 06:13:45,350 INFO L226 Difference]: Without dead ends: 804 [2025-01-10 06:13:45,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:13:45,351 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 195 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:45,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 584 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:13:45,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2025-01-10 06:13:45,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2025-01-10 06:13:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 787 states have (on average 1.3989834815756035) internal successors, (1101), 790 states have internal predecessors, (1101), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 06:13:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1125 transitions. [2025-01-10 06:13:45,371 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1125 transitions. Word has length 251 [2025-01-10 06:13:45,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:45,371 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1125 transitions. [2025-01-10 06:13:45,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 56.333333333333336) internal successors, (169), 4 states have internal predecessors, (169), 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 06:13:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1125 transitions. [2025-01-10 06:13:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2025-01-10 06:13:45,374 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:45,374 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:45,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 06:13:45,375 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:45,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:45,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1692638590, now seen corresponding path program 1 times [2025-01-10 06:13:45,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:45,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665182324] [2025-01-10 06:13:45,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:45,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:45,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-01-10 06:13:45,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-01-10 06:13:45,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:45,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:45,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:45,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665182324] [2025-01-10 06:13:45,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665182324] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:13:45,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739778650] [2025-01-10 06:13:45,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:45,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:45,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:45,955 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:13:45,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 06:13:46,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-01-10 06:13:46,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-01-10 06:13:46,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:46,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:46,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 06:13:46,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:46,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:13:46,794 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:46,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739778650] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:13:46,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:13:46,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-01-10 06:13:46,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590557352] [2025-01-10 06:13:46,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:13:46,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 06:13:46,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:46,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 06:13:46,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-01-10 06:13:46,797 INFO L87 Difference]: Start difference. First operand 804 states and 1125 transitions. Second operand has 18 states, 18 states have (on average 31.77777777777778) internal successors, (572), 18 states have internal predecessors, (572), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:13:46,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:46,933 INFO L93 Difference]: Finished difference Result 1400 states and 1964 transitions. [2025-01-10 06:13:46,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 06:13:46,933 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 31.77777777777778) internal successors, (572), 18 states have internal predecessors, (572), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 254 [2025-01-10 06:13:46,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:46,939 INFO L225 Difference]: With dead ends: 1400 [2025-01-10 06:13:46,939 INFO L226 Difference]: Without dead ends: 1395 [2025-01-10 06:13:46,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-01-10 06:13:46,940 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 2173 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 3412 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:46,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2192 Valid, 3412 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:46,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2025-01-10 06:13:46,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1391. [2025-01-10 06:13:46,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1365 states have (on average 1.4014652014652014) internal successors, (1913), 1368 states have internal predecessors, (1913), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 06:13:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1955 transitions. [2025-01-10 06:13:46,969 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1955 transitions. Word has length 254 [2025-01-10 06:13:46,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:46,970 INFO L471 AbstractCegarLoop]: Abstraction has 1391 states and 1955 transitions. [2025-01-10 06:13:46,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 31.77777777777778) internal successors, (572), 18 states have internal predecessors, (572), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:13:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1955 transitions. [2025-01-10 06:13:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2025-01-10 06:13:46,973 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:46,974 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:46,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-10 06:13:47,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-10 06:13:47,175 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:47,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:47,175 INFO L85 PathProgramCache]: Analyzing trace with hash 645174707, now seen corresponding path program 1 times [2025-01-10 06:13:47,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:47,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576391077] [2025-01-10 06:13:47,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:47,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-01-10 06:13:47,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-01-10 06:13:47,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:47,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:49,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:49,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576391077] [2025-01-10 06:13:49,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576391077] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:13:49,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13026422] [2025-01-10 06:13:49,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:49,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:49,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:49,038 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:13:49,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 06:13:49,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-01-10 06:13:49,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-01-10 06:13:49,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:49,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:49,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-10 06:13:49,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:49,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:13:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:50,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13026422] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:13:50,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:13:50,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-01-10 06:13:50,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710631740] [2025-01-10 06:13:50,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:13:50,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-10 06:13:50,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:50,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-10 06:13:50,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-01-10 06:13:50,317 INFO L87 Difference]: Start difference. First operand 1391 states and 1955 transitions. Second operand has 28 states, 27 states have (on average 24.62962962962963) internal successors, (665), 28 states have internal predecessors, (665), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:13:50,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:50,585 INFO L93 Difference]: Finished difference Result 1996 states and 2816 transitions. [2025-01-10 06:13:50,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-10 06:13:50,585 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.62962962962963) internal successors, (665), 28 states have internal predecessors, (665), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 333 [2025-01-10 06:13:50,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:50,591 INFO L225 Difference]: With dead ends: 1996 [2025-01-10 06:13:50,592 INFO L226 Difference]: Without dead ends: 1995 [2025-01-10 06:13:50,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 06:13:50,593 INFO L435 NwaCegarLoop]: 370 mSDtfsCounter, 2792 mSDsluCounter, 4736 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 5106 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:50,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 5106 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:50,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2025-01-10 06:13:50,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1985. [2025-01-10 06:13:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1950 states have (on average 1.4015384615384616) internal successors, (2733), 1953 states have internal predecessors, (2733), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 06:13:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2793 transitions. [2025-01-10 06:13:50,625 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2793 transitions. Word has length 333 [2025-01-10 06:13:50,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:50,625 INFO L471 AbstractCegarLoop]: Abstraction has 1985 states and 2793 transitions. [2025-01-10 06:13:50,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.62962962962963) internal successors, (665), 28 states have internal predecessors, (665), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:13:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2793 transitions. [2025-01-10 06:13:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2025-01-10 06:13:50,628 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:50,629 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:50,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 06:13:50,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-10 06:13:50,830 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:50,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:50,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1474420500, now seen corresponding path program 1 times [2025-01-10 06:13:50,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:50,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414154465] [2025-01-10 06:13:50,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:50,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:50,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-01-10 06:13:50,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-01-10 06:13:50,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:50,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:52,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:52,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414154465] [2025-01-10 06:13:52,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414154465] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:13:52,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998103585] [2025-01-10 06:13:52,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:52,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:52,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:52,403 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:13:52,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 06:13:52,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-01-10 06:13:52,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-01-10 06:13:52,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:52,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:52,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-10 06:13:52,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:53,371 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:53,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:13:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:53,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998103585] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:13:53,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:13:53,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-01-10 06:13:53,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482822525] [2025-01-10 06:13:53,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:13:53,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-10 06:13:53,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:53,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-10 06:13:53,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-01-10 06:13:53,710 INFO L87 Difference]: Start difference. First operand 1985 states and 2793 transitions. Second operand has 28 states, 27 states have (on average 24.74074074074074) internal successors, (668), 28 states have internal predecessors, (668), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:13:54,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:54,081 INFO L93 Difference]: Finished difference Result 1996 states and 2810 transitions. [2025-01-10 06:13:54,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 06:13:54,082 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.74074074074074) internal successors, (668), 28 states have internal predecessors, (668), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 334 [2025-01-10 06:13:54,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:54,092 INFO L225 Difference]: With dead ends: 1996 [2025-01-10 06:13:54,094 INFO L226 Difference]: Without dead ends: 1995 [2025-01-10 06:13:54,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 06:13:54,096 INFO L435 NwaCegarLoop]: 414 mSDtfsCounter, 3831 mSDsluCounter, 4694 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3854 SdHoareTripleChecker+Valid, 5108 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:54,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3854 Valid, 5108 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:54,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2025-01-10 06:13:54,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1986. [2025-01-10 06:13:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1986 states, 1951 states have (on average 1.398769861609431) internal successors, (2729), 1954 states have internal predecessors, (2729), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 06:13:54,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2789 transitions. [2025-01-10 06:13:54,128 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2789 transitions. Word has length 334 [2025-01-10 06:13:54,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:54,129 INFO L471 AbstractCegarLoop]: Abstraction has 1986 states and 2789 transitions. [2025-01-10 06:13:54,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.74074074074074) internal successors, (668), 28 states have internal predecessors, (668), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:13:54,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2789 transitions. [2025-01-10 06:13:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2025-01-10 06:13:54,135 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:54,135 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:54,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 06:13:54,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:54,340 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:54,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:54,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1635728442, now seen corresponding path program 2 times [2025-01-10 06:13:54,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:54,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236056473] [2025-01-10 06:13:54,341 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:13:54,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:54,455 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 566 statements into 2 equivalence classes. [2025-01-10 06:13:54,568 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 566 of 566 statements. [2025-01-10 06:13:54,568 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:13:54,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:55,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:55,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236056473] [2025-01-10 06:13:55,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236056473] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:13:55,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222219255] [2025-01-10 06:13:55,723 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:13:55,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:13:55,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:13:55,725 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:13:55,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 06:13:56,148 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 566 statements into 2 equivalence classes. [2025-01-10 06:13:56,445 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 566 of 566 statements. [2025-01-10 06:13:56,445 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:13:56,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:56,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 06:13:56,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:13:56,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:56,907 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:13:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:13:57,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222219255] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:13:57,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:13:57,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-01-10 06:13:57,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415988652] [2025-01-10 06:13:57,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:13:57,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-10 06:13:57,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:57,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 06:13:57,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-01-10 06:13:57,451 INFO L87 Difference]: Start difference. First operand 1986 states and 2789 transitions. Second operand has 23 states, 23 states have (on average 35.17391304347826) internal successors, (809), 23 states have internal predecessors, (809), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:13:57,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:57,674 INFO L93 Difference]: Finished difference Result 1991 states and 2794 transitions. [2025-01-10 06:13:57,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-10 06:13:57,675 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 35.17391304347826) internal successors, (809), 23 states have internal predecessors, (809), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 566 [2025-01-10 06:13:57,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:57,684 INFO L225 Difference]: With dead ends: 1991 [2025-01-10 06:13:57,684 INFO L226 Difference]: Without dead ends: 1986 [2025-01-10 06:13:57,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1147 GetRequests, 1115 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-01-10 06:13:57,686 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 4377 mSDsluCounter, 3885 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4403 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:57,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4403 Valid, 4214 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:13:57,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2025-01-10 06:13:57,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1986. [2025-01-10 06:13:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1986 states, 1951 states have (on average 1.3972321886212198) internal successors, (2726), 1954 states have internal predecessors, (2726), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 06:13:57,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2786 transitions. [2025-01-10 06:13:57,727 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2786 transitions. Word has length 566 [2025-01-10 06:13:57,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:57,728 INFO L471 AbstractCegarLoop]: Abstraction has 1986 states and 2786 transitions. [2025-01-10 06:13:57,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 35.17391304347826) internal successors, (809), 23 states have internal predecessors, (809), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 06:13:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2786 transitions. [2025-01-10 06:13:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2025-01-10 06:13:57,742 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:57,742 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:57,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-10 06:13:57,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-10 06:13:57,944 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:57,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:57,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1785759143, now seen corresponding path program 3 times [2025-01-10 06:13:57,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:57,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69278069] [2025-01-10 06:13:57,945 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:13:57,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:58,106 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 800 statements into 12 equivalence classes. [2025-01-10 06:13:58,144 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 83 of 800 statements. [2025-01-10 06:13:58,144 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 06:13:58,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3506 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 2868 trivial. 0 not checked. [2025-01-10 06:13:58,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:58,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69278069] [2025-01-10 06:13:58,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69278069] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:58,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:58,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 06:13:58,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963482775] [2025-01-10 06:13:58,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:58,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:13:58,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:58,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:13:58,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:13:58,308 INFO L87 Difference]: Start difference. First operand 1986 states and 2786 transitions. Second operand has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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 06:13:58,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:58,734 INFO L93 Difference]: Finished difference Result 4221 states and 5893 transitions. [2025-01-10 06:13:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:13:58,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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 800 [2025-01-10 06:13:58,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:58,740 INFO L225 Difference]: With dead ends: 4221 [2025-01-10 06:13:58,740 INFO L226 Difference]: Without dead ends: 2326 [2025-01-10 06:13:58,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:13:58,741 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 14 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:58,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 833 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 06:13:58,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2025-01-10 06:13:58,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 2276. [2025-01-10 06:13:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 2241 states have (on average 1.3770638107987505) internal successors, (3086), 2244 states have internal predecessors, (3086), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 06:13:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 3146 transitions. [2025-01-10 06:13:58,772 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 3146 transitions. Word has length 800 [2025-01-10 06:13:58,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:58,772 INFO L471 AbstractCegarLoop]: Abstraction has 2276 states and 3146 transitions. [2025-01-10 06:13:58,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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 06:13:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 3146 transitions. [2025-01-10 06:13:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2025-01-10 06:13:58,778 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:58,778 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:58,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 06:13:58,778 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:13:58,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:13:58,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1531007699, now seen corresponding path program 1 times [2025-01-10 06:13:58,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:13:58,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919070683] [2025-01-10 06:13:58,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:13:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:13:58,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 810 statements into 1 equivalence classes. [2025-01-10 06:13:59,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 810 of 810 statements. [2025-01-10 06:13:59,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:13:59,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:13:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 3208 trivial. 0 not checked. [2025-01-10 06:13:59,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:13:59,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919070683] [2025-01-10 06:13:59,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919070683] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:13:59,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:13:59,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 06:13:59,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828237615] [2025-01-10 06:13:59,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:13:59,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:13:59,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:59,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:13:59,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:13:59,847 INFO L87 Difference]: Start difference. First operand 2276 states and 3146 transitions. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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 06:14:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:14:00,241 INFO L93 Difference]: Finished difference Result 4557 states and 6329 transitions. [2025-01-10 06:14:00,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 06:14:00,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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 810 [2025-01-10 06:14:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:14:00,247 INFO L225 Difference]: With dead ends: 4557 [2025-01-10 06:14:00,247 INFO L226 Difference]: Without dead ends: 2406 [2025-01-10 06:14:00,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:14:00,249 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 15 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:14:00,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1002 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 06:14:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2025-01-10 06:14:00,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 2376. [2025-01-10 06:14:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2341 states have (on average 1.382315249893208) internal successors, (3236), 2344 states have internal predecessors, (3236), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 06:14:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3296 transitions. [2025-01-10 06:14:00,282 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3296 transitions. Word has length 810 [2025-01-10 06:14:00,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:14:00,282 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3296 transitions. [2025-01-10 06:14:00,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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 06:14:00,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3296 transitions. [2025-01-10 06:14:00,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2025-01-10 06:14:00,288 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:14:00,289 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:14:00,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 06:14:00,289 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 06:14:00,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:14:00,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1155215531, now seen corresponding path program 1 times [2025-01-10 06:14:00,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:14:00,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105086769] [2025-01-10 06:14:00,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:14:00,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:14:00,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 810 statements into 1 equivalence classes.