./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:35:15,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:35:15,699 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 13:35:15,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:35:15,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:35:15,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:35:15,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:35:15,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:35:15,734 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:35:15,734 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:35:15,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:35:15,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:35:15,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:35:15,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:35:15,735 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:35:15,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:35:15,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:35:15,736 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:35:15,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:35:15,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:35:15,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:35:15,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:35:15,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:35:15,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:35:15,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:35:15,737 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:35:15,737 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:35:15,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:35:15,737 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:35:15,737 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:35:15,737 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:35:15,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:35:15,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:35:15,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:35:15,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:35:15,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:35:15,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:35:15,738 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:35:15,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:35:15,738 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:35:15,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:35:15,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:35:15,738 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:35:15,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:35:15,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:35:15,739 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 -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2025-02-08 13:35:16,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:35:16,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:35:16,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:35:16,017 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:35:16,017 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:35:16,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2025-02-08 13:35:17,307 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ed8b36f4/0d2c0f832dfe4c99b3df5467afb540f2/FLAG7e886fa72 [2025-02-08 13:35:17,646 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:35:17,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2025-02-08 13:35:17,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ed8b36f4/0d2c0f832dfe4c99b3df5467afb540f2/FLAG7e886fa72 [2025-02-08 13:35:17,675 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ed8b36f4/0d2c0f832dfe4c99b3df5467afb540f2 [2025-02-08 13:35:17,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:35:17,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:35:17,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:35:17,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:35:17,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:35:17,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:17" (1/1) ... [2025-02-08 13:35:17,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266d2fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:17, skipping insertion in model container [2025-02-08 13:35:17,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:17" (1/1) ... [2025-02-08 13:35:17,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:35:18,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:35:18,250 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:35:18,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:35:18,419 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:35:18,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18 WrapperNode [2025-02-08 13:35:18,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:35:18,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:35:18,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:35:18,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:35:18,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,500 INFO L138 Inliner]: procedures = 208, calls = 229, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1272 [2025-02-08 13:35:18,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:35:18,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:35:18,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:35:18,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:35:18,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,591 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 172, 34]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 42, 4]. [2025-02-08 13:35:18,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,630 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:35:18,656 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:35:18,656 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:35:18,656 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:35:18,657 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (1/1) ... [2025-02-08 13:35:18,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:35:18,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:18,689 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) [2025-02-08 13:35:18,697 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 [2025-02-08 13:35:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-08 13:35:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-08 13:35:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 13:35:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 13:35:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 13:35:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 13:35:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 13:35:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 13:35:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 13:35:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 13:35:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 13:35:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 13:35:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 13:35:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 13:35:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 13:35:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 13:35:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 13:35:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 13:35:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 13:35:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 13:35:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 13:35:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 13:35:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:35:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 13:35:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 13:35:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 13:35:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 13:35:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 13:35:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 13:35:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:35:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:35:18,918 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:35:18,920 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:35:20,278 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-08 13:35:20,383 INFO L? ?]: Removed 312 outVars from TransFormulas that were not future-live. [2025-02-08 13:35:20,383 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:35:20,440 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:35:20,440 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-08 13:35:20,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:20 BoogieIcfgContainer [2025-02-08 13:35:20,441 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:35:20,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:35:20,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:35:20,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:35:20,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:35:17" (1/3) ... [2025-02-08 13:35:20,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a58996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:20, skipping insertion in model container [2025-02-08 13:35:20,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:18" (2/3) ... [2025-02-08 13:35:20,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a58996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:20, skipping insertion in model container [2025-02-08 13:35:20,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:20" (3/3) ... [2025-02-08 13:35:20,453 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-1.i [2025-02-08 13:35:20,466 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:35:20,468 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test2-1.i that has 6 procedures, 401 locations, 1 initial locations, 33 loop locations, and 8 error locations. [2025-02-08 13:35:20,535 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:35:20,546 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;@e902f2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:35:20,546 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 13:35:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 370 states have (on average 1.627027027027027) internal successors, (602), 385 states have internal predecessors, (602), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 13:35:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 13:35:20,560 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:20,561 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 13:35:20,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:20,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:20,566 INFO L85 PathProgramCache]: Analyzing trace with hash -620444391, now seen corresponding path program 1 times [2025-02-08 13:35:20,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:20,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710643604] [2025-02-08 13:35:20,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:20,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:20,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:35:20,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:35:20,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:20,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:20,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:20,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710643604] [2025-02-08 13:35:20,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710643604] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:20,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:20,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:35:20,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106454503] [2025-02-08 13:35:20,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:20,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 13:35:20,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:20,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 13:35:20,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 13:35:20,781 INFO L87 Difference]: Start difference. First operand has 393 states, 370 states have (on average 1.627027027027027) internal successors, (602), 385 states have internal predecessors, (602), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2025-02-08 13:35:20,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:20,979 INFO L93 Difference]: Finished difference Result 783 states and 1247 transitions. [2025-02-08 13:35:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 13:35:20,981 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2025-02-08 13:35:20,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:20,990 INFO L225 Difference]: With dead ends: 783 [2025-02-08 13:35:20,991 INFO L226 Difference]: Without dead ends: 374 [2025-02-08 13:35:20,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 13:35:20,999 INFO L435 NwaCegarLoop]: 522 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:21,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 522 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:21,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-02-08 13:35:21,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2025-02-08 13:35:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 362 states have (on average 1.4668508287292819) internal successors, (531), 369 states have internal predecessors, (531), 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) [2025-02-08 13:35:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 537 transitions. [2025-02-08 13:35:21,068 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 537 transitions. Word has length 6 [2025-02-08 13:35:21,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:21,068 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 537 transitions. [2025-02-08 13:35:21,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2025-02-08 13:35:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 537 transitions. [2025-02-08 13:35:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 13:35:21,070 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:21,070 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 13:35:21,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:35:21,071 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:21,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:21,073 INFO L85 PathProgramCache]: Analyzing trace with hash -620443430, now seen corresponding path program 1 times [2025-02-08 13:35:21,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:21,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89461200] [2025-02-08 13:35:21,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:21,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:21,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:35:21,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:35:21,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:21,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 13:35:21,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942450412] [2025-02-08 13:35:21,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:21,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:21,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:21,123 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) [2025-02-08 13:35:21,125 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 [2025-02-08 13:35:21,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:35:21,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:35:21,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:21,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:21,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 13:35:21,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:21,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 13:35:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:21,355 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:21,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:21,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89461200] [2025-02-08 13:35:21,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 13:35:21,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942450412] [2025-02-08 13:35:21,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942450412] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:21,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:21,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:35:21,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804354474] [2025-02-08 13:35:21,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:21,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:21,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:21,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:21,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:21,358 INFO L87 Difference]: Start difference. First operand 374 states and 537 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2025-02-08 13:35:21,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:21,677 INFO L93 Difference]: Finished difference Result 743 states and 1069 transitions. [2025-02-08 13:35:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:21,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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 [2025-02-08 13:35:21,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:21,687 INFO L225 Difference]: With dead ends: 743 [2025-02-08 13:35:21,687 INFO L226 Difference]: Without dead ends: 741 [2025-02-08 13:35:21,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:35:21,688 INFO L435 NwaCegarLoop]: 473 mSDtfsCounter, 519 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:21,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 1414 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:35:21,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2025-02-08 13:35:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 380. [2025-02-08 13:35:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 368 states have (on average 1.4619565217391304) internal successors, (538), 375 states have internal predecessors, (538), 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) [2025-02-08 13:35:21,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 544 transitions. [2025-02-08 13:35:21,722 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 544 transitions. Word has length 6 [2025-02-08 13:35:21,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:21,723 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 544 transitions. [2025-02-08 13:35:21,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2025-02-08 13:35:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 544 transitions. [2025-02-08 13:35:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-08 13:35:21,728 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:21,728 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] [2025-02-08 13:35:21,737 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 [2025-02-08 13:35:21,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:21,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:21,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:21,929 INFO L85 PathProgramCache]: Analyzing trace with hash -953316789, now seen corresponding path program 1 times [2025-02-08 13:35:21,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:21,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585517551] [2025-02-08 13:35:21,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:21,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:21,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 13:35:21,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 13:35:21,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:21,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:22,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:22,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585517551] [2025-02-08 13:35:22,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585517551] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:22,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:22,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:35:22,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496377387] [2025-02-08 13:35:22,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:22,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:22,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:22,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:22,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:22,425 INFO L87 Difference]: Start difference. First operand 380 states and 544 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2025-02-08 13:35:22,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:22,717 INFO L93 Difference]: Finished difference Result 908 states and 1309 transitions. [2025-02-08 13:35:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:22,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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 62 [2025-02-08 13:35:22,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:22,723 INFO L225 Difference]: With dead ends: 908 [2025-02-08 13:35:22,723 INFO L226 Difference]: Without dead ends: 740 [2025-02-08 13:35:22,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:35:22,724 INFO L435 NwaCegarLoop]: 514 mSDtfsCounter, 520 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:22,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 1497 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:35:22,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2025-02-08 13:35:22,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 380. [2025-02-08 13:35:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 368 states have (on average 1.4592391304347827) internal successors, (537), 375 states have internal predecessors, (537), 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) [2025-02-08 13:35:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 543 transitions. [2025-02-08 13:35:22,749 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 543 transitions. Word has length 62 [2025-02-08 13:35:22,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:22,749 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 543 transitions. [2025-02-08 13:35:22,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2025-02-08 13:35:22,750 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 543 transitions. [2025-02-08 13:35:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-08 13:35:22,753 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:22,753 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] [2025-02-08 13:35:22,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:35:22,753 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:22,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:22,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1668795346, now seen corresponding path program 1 times [2025-02-08 13:35:22,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:22,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166984017] [2025-02-08 13:35:22,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:22,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:22,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 13:35:22,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 13:35:22,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:22,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:23,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:23,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166984017] [2025-02-08 13:35:23,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166984017] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:23,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:23,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:35:23,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091454822] [2025-02-08 13:35:23,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:23,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:23,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:23,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:23,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:23,041 INFO L87 Difference]: Start difference. First operand 380 states and 543 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) [2025-02-08 13:35:23,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:23,219 INFO L93 Difference]: Finished difference Result 756 states and 1082 transitions. [2025-02-08 13:35:23,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:23,219 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 [2025-02-08 13:35:23,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:23,221 INFO L225 Difference]: With dead ends: 756 [2025-02-08 13:35:23,221 INFO L226 Difference]: Without dead ends: 383 [2025-02-08 13:35:23,222 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 [2025-02-08 13:35:23,226 INFO L435 NwaCegarLoop]: 469 mSDtfsCounter, 105 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:23,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1323 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:35:23,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-02-08 13:35:23,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2025-02-08 13:35:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 368 states have (on average 1.440217391304348) internal successors, (530), 375 states have internal predecessors, (530), 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) [2025-02-08 13:35:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 536 transitions. [2025-02-08 13:35:23,246 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 536 transitions. Word has length 79 [2025-02-08 13:35:23,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:23,246 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 536 transitions. [2025-02-08 13:35:23,246 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) [2025-02-08 13:35:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 536 transitions. [2025-02-08 13:35:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-08 13:35:23,248 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:23,248 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] [2025-02-08 13:35:23,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:35:23,248 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:23,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:23,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1240228231, now seen corresponding path program 1 times [2025-02-08 13:35:23,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:23,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073827666] [2025-02-08 13:35:23,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:23,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:23,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 13:35:23,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 13:35:23,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:23,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:35:23,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:23,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073827666] [2025-02-08 13:35:23,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073827666] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:23,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:23,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:35:23,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657834714] [2025-02-08 13:35:23,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:23,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:35:23,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:23,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:35:23,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:35:23,459 INFO L87 Difference]: Start difference. First operand 380 states and 536 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 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) [2025-02-08 13:35:23,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:23,628 INFO L93 Difference]: Finished difference Result 1025 states and 1464 transitions. [2025-02-08 13:35:23,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:35:23,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 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 [2025-02-08 13:35:23,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:23,632 INFO L225 Difference]: With dead ends: 1025 [2025-02-08 13:35:23,632 INFO L226 Difference]: Without dead ends: 652 [2025-02-08 13:35:23,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:35:23,633 INFO L435 NwaCegarLoop]: 663 mSDtfsCounter, 345 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:23,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1138 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:23,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2025-02-08 13:35:23,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 648. [2025-02-08 13:35:23,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 636 states have (on average 1.4575471698113207) internal successors, (927), 643 states have internal predecessors, (927), 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) [2025-02-08 13:35:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 933 transitions. [2025-02-08 13:35:23,659 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 933 transitions. Word has length 79 [2025-02-08 13:35:23,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:23,661 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 933 transitions. [2025-02-08 13:35:23,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 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) [2025-02-08 13:35:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 933 transitions. [2025-02-08 13:35:23,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 13:35:23,663 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:23,663 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] [2025-02-08 13:35:23,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 13:35:23,664 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:23,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:23,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1383357250, now seen corresponding path program 1 times [2025-02-08 13:35:23,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:23,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528893559] [2025-02-08 13:35:23,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:23,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:23,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 13:35:23,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 13:35:23,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:23,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:24,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:24,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528893559] [2025-02-08 13:35:24,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528893559] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:24,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:24,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:35:24,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115532377] [2025-02-08 13:35:24,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:24,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:24,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:24,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:24,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:24,105 INFO L87 Difference]: Start difference. First operand 648 states and 933 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) [2025-02-08 13:35:24,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:24,351 INFO L93 Difference]: Finished difference Result 894 states and 1278 transitions. [2025-02-08 13:35:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:24,352 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 [2025-02-08 13:35:24,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:24,357 INFO L225 Difference]: With dead ends: 894 [2025-02-08 13:35:24,357 INFO L226 Difference]: Without dead ends: 892 [2025-02-08 13:35:24,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:35:24,358 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 428 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:24,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1475 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:35:24,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2025-02-08 13:35:24,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 711. [2025-02-08 13:35:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 696 states have (on average 1.4425287356321839) internal successors, (1004), 703 states have internal predecessors, (1004), 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) [2025-02-08 13:35:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1016 transitions. [2025-02-08 13:35:24,386 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1016 transitions. Word has length 94 [2025-02-08 13:35:24,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:24,386 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1016 transitions. [2025-02-08 13:35:24,386 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) [2025-02-08 13:35:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1016 transitions. [2025-02-08 13:35:24,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-08 13:35:24,390 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:24,390 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] [2025-02-08 13:35:24,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 13:35:24,390 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:24,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:24,391 INFO L85 PathProgramCache]: Analyzing trace with hash 5626606, now seen corresponding path program 1 times [2025-02-08 13:35:24,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:24,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287253328] [2025-02-08 13:35:24,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:24,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:24,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 13:35:24,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 13:35:24,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:24,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:35:24,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:24,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287253328] [2025-02-08 13:35:24,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287253328] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:24,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336041877] [2025-02-08 13:35:24,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:24,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:24,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:24,884 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) [2025-02-08 13:35:24,901 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 [2025-02-08 13:35:25,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 13:35:25,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 13:35:25,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:25,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:25,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-08 13:35:25,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:25,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 13:35:25,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 13:35:25,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2025-02-08 13:35:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:35:26,179 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:26,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336041877] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:26,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:26,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2025-02-08 13:35:26,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168703572] [2025-02-08 13:35:26,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:26,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 13:35:26,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:26,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 13:35:26,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:35:26,182 INFO L87 Difference]: Start difference. First operand 711 states and 1016 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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) [2025-02-08 13:35:28,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:28,142 INFO L93 Difference]: Finished difference Result 1565 states and 2233 transitions. [2025-02-08 13:35:28,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 13:35:28,143 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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 100 [2025-02-08 13:35:28,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:28,147 INFO L225 Difference]: With dead ends: 1565 [2025-02-08 13:35:28,147 INFO L226 Difference]: Without dead ends: 940 [2025-02-08 13:35:28,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-08 13:35:28,148 INFO L435 NwaCegarLoop]: 468 mSDtfsCounter, 784 mSDsluCounter, 2205 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 2673 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:28,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 2673 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-08 13:35:28,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2025-02-08 13:35:28,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 736. [2025-02-08 13:35:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 721 states have (on average 1.434119278779473) internal successors, (1034), 728 states have internal predecessors, (1034), 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) [2025-02-08 13:35:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1046 transitions. [2025-02-08 13:35:28,175 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1046 transitions. Word has length 100 [2025-02-08 13:35:28,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:28,175 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 1046 transitions. [2025-02-08 13:35:28,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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) [2025-02-08 13:35:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1046 transitions. [2025-02-08 13:35:28,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 13:35:28,176 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:28,177 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, 1] [2025-02-08 13:35:28,187 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 [2025-02-08 13:35:28,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:28,377 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:35:28,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:28,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1571819673, now seen corresponding path program 1 times [2025-02-08 13:35:28,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:28,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429561730] [2025-02-08 13:35:28,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:28,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:28,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 13:35:28,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 13:35:28,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:28,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:28,780 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:35:28,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:28,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429561730] [2025-02-08 13:35:28,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429561730] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:28,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638224699] [2025-02-08 13:35:28,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:28,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:28,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:28,787 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) [2025-02-08 13:35:28,796 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 [2025-02-08 13:35:28,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 13:35:29,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 13:35:29,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:29,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:29,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 13:35:29,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:36:02,148 WARN L286 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)