./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-1.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_nondet_test3-1.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 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:35:01,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:35:01,256 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 13:35:01,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:35:01,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:35:01,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:35:01,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:35:01,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:35:01,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:35:01,286 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:35:01,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:35:01,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:35:01,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:35:01,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:35:01,287 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:35:01,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:35:01,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:35:01,287 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:35:01,288 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:35:01,289 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:35:01,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:35:01,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:35:01,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:35:01,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:35:01,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:35:01,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:35:01,289 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:35:01,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:35:01,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:35:01,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:35:01,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:35:01,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:35:01,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:35:01,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:35:01,290 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 -> 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f [2025-02-08 13:35:01,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:35:01,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:35:01,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:35:01,514 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:35:01,515 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:35:01,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-1.i [2025-02-08 13:35:02,728 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d0db5e134/9c7652d3bc064b328e6b35f830d93843/FLAG936af86ac [2025-02-08 13:35:03,055 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:35:03,062 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-1.i [2025-02-08 13:35:03,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d0db5e134/9c7652d3bc064b328e6b35f830d93843/FLAG936af86ac [2025-02-08 13:35:03,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d0db5e134/9c7652d3bc064b328e6b35f830d93843 [2025-02-08 13:35:03,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:35:03,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:35:03,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:35:03,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:35:03,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:35:03,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bec1716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03, skipping insertion in model container [2025-02-08 13:35:03,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:35:03,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:35:03,521 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:35:03,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:35:03,694 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:35:03,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03 WrapperNode [2025-02-08 13:35:03,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:35:03,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:35:03,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:35:03,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:35:03,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,775 INFO L138 Inliner]: procedures = 177, calls = 274, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1397 [2025-02-08 13:35:03,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:35:03,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:35:03,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:35:03,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:35:03,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,797 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,863 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 218, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2025-02-08 13:35:03,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,910 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:35:03,940 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:35:03,943 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:35:03,944 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:35:03,944 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (1/1) ... [2025-02-08 13:35:03,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:35:03,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:03,982 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 13:35:03,997 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 13:35:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 13:35:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 13:35:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 13:35:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 13:35:04,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 13:35:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 13:35:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 13:35:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 13:35:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:35:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:35:04,187 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:35:04,189 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:35:05,358 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: 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 13:35:05,440 INFO L? ?]: Removed 322 outVars from TransFormulas that were not future-live. [2025-02-08 13:35:05,440 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:35:05,482 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:35:05,482 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-08 13:35:05,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:05 BoogieIcfgContainer [2025-02-08 13:35:05,483 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:35:05,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:35:05,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:35:05,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:35:05,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:35:03" (1/3) ... [2025-02-08 13:35:05,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc78222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:05, skipping insertion in model container [2025-02-08 13:35:05,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:03" (2/3) ... [2025-02-08 13:35:05,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc78222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:05, skipping insertion in model container [2025-02-08 13:35:05,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:05" (3/3) ... [2025-02-08 13:35:05,494 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test3-1.i [2025-02-08 13:35:05,507 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:35:05,508 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_nondet_test3-1.i that has 5 procedures, 416 locations, 1 initial locations, 38 loop locations, and 6 error locations. [2025-02-08 13:35:05,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:35:05,580 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;@7d6f2a13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:35:05,580 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-08 13:35:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 394 states have (on average 1.6218274111675126) internal successors, (639), 401 states have internal predecessors, (639), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 13:35:05,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 13:35:05,591 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:05,591 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:05,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:05,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:05,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1784188759, now seen corresponding path program 1 times [2025-02-08 13:35:05,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:05,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010435059] [2025-02-08 13:35:05,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:05,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:05,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 13:35:05,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 13:35:05,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:05,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:05,743 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 13:35:05,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:05,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010435059] [2025-02-08 13:35:05,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010435059] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:05,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:05,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:35:05,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624244524] [2025-02-08 13:35:05,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:05,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 13:35:05,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:05,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 13:35:05,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 13:35:05,778 INFO L87 Difference]: Start difference. First operand has 408 states, 394 states have (on average 1.6218274111675126) internal successors, (639), 401 states have internal predecessors, (639), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2025-02-08 13:35:05,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:05,884 INFO L93 Difference]: Finished difference Result 813 states and 1296 transitions. [2025-02-08 13:35:05,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 13:35:05,886 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 [2025-02-08 13:35:05,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:05,894 INFO L225 Difference]: With dead ends: 813 [2025-02-08 13:35:05,894 INFO L226 Difference]: Without dead ends: 399 [2025-02-08 13:35:05,898 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 13:35:05,900 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:05,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 542 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:05,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2025-02-08 13:35:05,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2025-02-08 13:35:05,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 387 states have (on average 1.4599483204134367) internal successors, (565), 393 states have internal predecessors, (565), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:35:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 573 transitions. [2025-02-08 13:35:05,947 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 573 transitions. Word has length 7 [2025-02-08 13:35:05,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:05,948 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 573 transitions. [2025-02-08 13:35:05,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2025-02-08 13:35:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 573 transitions. [2025-02-08 13:35:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 13:35:05,949 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:05,949 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:05,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:35:05,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:05,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:05,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1784187798, now seen corresponding path program 1 times [2025-02-08 13:35:05,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:05,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510140012] [2025-02-08 13:35:05,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:05,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:05,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 13:35:05,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 13:35:05,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:05,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 13:35:05,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461231570] [2025-02-08 13:35:05,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:05,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:05,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:05,984 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 13:35:05,987 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 13:35:06,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 13:35:06,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 13:35:06,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:06,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:06,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 13:35:06,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:06,140 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 13:35:06,168 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 13:35:06,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:06,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:06,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510140012] [2025-02-08 13:35:06,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 13:35:06,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461231570] [2025-02-08 13:35:06,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461231570] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:06,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:06,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:35:06,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486877646] [2025-02-08 13:35:06,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:06,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:06,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:06,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:06,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:06,172 INFO L87 Difference]: Start difference. First operand 399 states and 573 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) [2025-02-08 13:35:06,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:06,485 INFO L93 Difference]: Finished difference Result 788 states and 1137 transitions. [2025-02-08 13:35:06,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:06,486 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 [2025-02-08 13:35:06,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:06,492 INFO L225 Difference]: With dead ends: 788 [2025-02-08 13:35:06,492 INFO L226 Difference]: Without dead ends: 786 [2025-02-08 13:35:06,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 13:35:06,494 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 549 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:06,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1517 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:35:06,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2025-02-08 13:35:06,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 405. [2025-02-08 13:35:06,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 393 states have (on average 1.455470737913486) internal successors, (572), 399 states have internal predecessors, (572), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:35:06,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 580 transitions. [2025-02-08 13:35:06,534 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 580 transitions. Word has length 7 [2025-02-08 13:35:06,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:06,535 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 580 transitions. [2025-02-08 13:35:06,535 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) [2025-02-08 13:35:06,535 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 580 transitions. [2025-02-08 13:35:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 13:35:06,539 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:06,539 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] [2025-02-08 13:35:06,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 13:35:06,744 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 13:35:06,745 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)] === [2025-02-08 13:35:06,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:06,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2118759060, now seen corresponding path program 1 times [2025-02-08 13:35:06,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:06,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966224151] [2025-02-08 13:35:06,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:06,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:06,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 13:35:06,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 13:35:06,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:06,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:07,052 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 13:35:07,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:07,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966224151] [2025-02-08 13:35:07,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966224151] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:07,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:07,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:35:07,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749678527] [2025-02-08 13:35:07,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:07,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:07,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:07,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:07,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:07,055 INFO L87 Difference]: Start difference. First operand 405 states and 580 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:35:07,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:07,224 INFO L93 Difference]: Finished difference Result 554 states and 791 transitions. [2025-02-08 13:35:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:35:07,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2025-02-08 13:35:07,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:07,229 INFO L225 Difference]: With dead ends: 554 [2025-02-08 13:35:07,229 INFO L226 Difference]: Without dead ends: 363 [2025-02-08 13:35:07,229 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 13:35:07,230 INFO L435 NwaCegarLoop]: 436 mSDtfsCounter, 36 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:07,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1294 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:07,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-08 13:35:07,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2025-02-08 13:35:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 351 states have (on average 1.4102564102564104) internal successors, (495), 357 states have internal predecessors, (495), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:35:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 503 transitions. [2025-02-08 13:35:07,243 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 503 transitions. Word has length 69 [2025-02-08 13:35:07,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:07,243 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 503 transitions. [2025-02-08 13:35:07,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:35:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 503 transitions. [2025-02-08 13:35:07,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 13:35:07,246 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:07,246 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] [2025-02-08 13:35:07,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:35:07,247 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:07,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:07,247 INFO L85 PathProgramCache]: Analyzing trace with hash -115159606, now seen corresponding path program 1 times [2025-02-08 13:35:07,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:07,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127166333] [2025-02-08 13:35:07,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:07,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:07,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 13:35:07,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 13:35:07,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:07,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:07,365 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 13:35:07,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:07,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127166333] [2025-02-08 13:35:07,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127166333] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:07,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:07,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:35:07,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011173388] [2025-02-08 13:35:07,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:07,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:07,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:07,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:07,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:07,368 INFO L87 Difference]: Start difference. First operand 363 states and 503 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:35:07,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:07,517 INFO L93 Difference]: Finished difference Result 506 states and 697 transitions. [2025-02-08 13:35:07,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:35:07,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2025-02-08 13:35:07,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:07,520 INFO L225 Difference]: With dead ends: 506 [2025-02-08 13:35:07,520 INFO L226 Difference]: Without dead ends: 357 [2025-02-08 13:35:07,521 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 13:35:07,522 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 9 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:07,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1295 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:07,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-02-08 13:35:07,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2025-02-08 13:35:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 345 states have (on average 1.4057971014492754) internal successors, (485), 351 states have internal predecessors, (485), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:35:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 493 transitions. [2025-02-08 13:35:07,534 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 493 transitions. Word has length 69 [2025-02-08 13:35:07,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:07,535 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 493 transitions. [2025-02-08 13:35:07,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:35:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 493 transitions. [2025-02-08 13:35:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 13:35:07,537 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:07,537 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] [2025-02-08 13:35:07,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:35:07,538 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:07,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:07,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1986044366, now seen corresponding path program 1 times [2025-02-08 13:35:07,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:07,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330778779] [2025-02-08 13:35:07,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:07,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:07,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 13:35:07,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 13:35:07,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:07,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:07,648 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 13:35:07,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:07,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330778779] [2025-02-08 13:35:07,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330778779] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:07,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:07,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:35:07,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509692948] [2025-02-08 13:35:07,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:07,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:07,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:07,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:07,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:07,650 INFO L87 Difference]: Start difference. First operand 357 states and 493 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:35:07,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:07,749 INFO L93 Difference]: Finished difference Result 500 states and 683 transitions. [2025-02-08 13:35:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:07,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2025-02-08 13:35:07,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:07,755 INFO L225 Difference]: With dead ends: 500 [2025-02-08 13:35:07,755 INFO L226 Difference]: Without dead ends: 352 [2025-02-08 13:35:07,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:07,758 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 0 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:07,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1348 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:07,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-02-08 13:35:07,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2025-02-08 13:35:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 342 states have (on average 1.4064327485380117) internal successors, (481), 347 states have internal predecessors, (481), 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 13:35:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 487 transitions. [2025-02-08 13:35:07,773 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 487 transitions. Word has length 69 [2025-02-08 13:35:07,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:07,773 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 487 transitions. [2025-02-08 13:35:07,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:35:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 487 transitions. [2025-02-08 13:35:07,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-08 13:35:07,776 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:07,776 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:07,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 13:35:07,777 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:07,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:07,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1454765650, now seen corresponding path program 1 times [2025-02-08 13:35:07,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:07,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148246143] [2025-02-08 13:35:07,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:07,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:07,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-08 13:35:07,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-08 13:35:07,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:07,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:07,924 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 13:35:07,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:07,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148246143] [2025-02-08 13:35:07,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148246143] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:07,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:07,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:35:07,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950466654] [2025-02-08 13:35:07,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:07,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:35:07,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:07,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:35:07,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:35:07,925 INFO L87 Difference]: Start difference. First operand 352 states and 487 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:35:08,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:08,022 INFO L93 Difference]: Finished difference Result 497 states and 679 transitions. [2025-02-08 13:35:08,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:35:08,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2025-02-08 13:35:08,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:08,025 INFO L225 Difference]: With dead ends: 497 [2025-02-08 13:35:08,027 INFO L226 Difference]: Without dead ends: 352 [2025-02-08 13:35:08,027 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 [2025-02-08 13:35:08,029 INFO L435 NwaCegarLoop]: 446 mSDtfsCounter, 15 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:08,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 867 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:08,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-02-08 13:35:08,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2025-02-08 13:35:08,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 342 states have (on average 1.394736842105263) internal successors, (477), 347 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) [2025-02-08 13:35:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 483 transitions. [2025-02-08 13:35:08,041 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 483 transitions. Word has length 70 [2025-02-08 13:35:08,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:08,041 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 483 transitions. [2025-02-08 13:35:08,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:35:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 483 transitions. [2025-02-08 13:35:08,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 13:35:08,043 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:08,043 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:08,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 13:35:08,044 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:08,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:08,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1426929077, now seen corresponding path program 1 times [2025-02-08 13:35:08,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:08,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631487824] [2025-02-08 13:35:08,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:08,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:08,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 13:35:08,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 13:35:08,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:08,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:08,251 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 13:35:08,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:08,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631487824] [2025-02-08 13:35:08,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631487824] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:08,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:08,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:35:08,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591722706] [2025-02-08 13:35:08,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:08,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:08,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:08,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:08,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:08,254 INFO L87 Difference]: Start difference. First operand 352 states and 483 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 13:35:08,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:08,392 INFO L93 Difference]: Finished difference Result 699 states and 960 transitions. [2025-02-08 13:35:08,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:08,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2025-02-08 13:35:08,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:08,395 INFO L225 Difference]: With dead ends: 699 [2025-02-08 13:35:08,395 INFO L226 Difference]: Without dead ends: 355 [2025-02-08 13:35:08,396 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 13:35:08,396 INFO L435 NwaCegarLoop]: 416 mSDtfsCounter, 106 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:08,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1164 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:08,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-02-08 13:35:08,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 352. [2025-02-08 13:35:08,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 342 states have (on average 1.3742690058479532) internal successors, (470), 347 states have internal predecessors, (470), 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 13:35:08,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 476 transitions. [2025-02-08 13:35:08,407 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 476 transitions. Word has length 80 [2025-02-08 13:35:08,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:08,407 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 476 transitions. [2025-02-08 13:35:08,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 13:35:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 476 transitions. [2025-02-08 13:35:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 13:35:08,409 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:08,409 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:08,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 13:35:08,409 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:08,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:08,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1482094500, now seen corresponding path program 1 times [2025-02-08 13:35:08,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:08,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332889213] [2025-02-08 13:35:08,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:08,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:08,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 13:35:08,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 13:35:08,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:08,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:08,551 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 13:35:08,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:08,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332889213] [2025-02-08 13:35:08,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332889213] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:08,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:08,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:35:08,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093470476] [2025-02-08 13:35:08,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:08,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:08,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:08,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:08,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:08,554 INFO L87 Difference]: Start difference. First operand 352 states and 476 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 13:35:08,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:08,659 INFO L93 Difference]: Finished difference Result 648 states and 868 transitions. [2025-02-08 13:35:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:35:08,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2025-02-08 13:35:08,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:08,662 INFO L225 Difference]: With dead ends: 648 [2025-02-08 13:35:08,662 INFO L226 Difference]: Without dead ends: 304 [2025-02-08 13:35:08,662 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 13:35:08,663 INFO L435 NwaCegarLoop]: 350 mSDtfsCounter, 9 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:08,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1031 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:08,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-02-08 13:35:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2025-02-08 13:35:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 294 states have (on average 1.3265306122448979) internal successors, (390), 299 states have internal predecessors, (390), 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 13:35:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 396 transitions. [2025-02-08 13:35:08,672 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 396 transitions. Word has length 80 [2025-02-08 13:35:08,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:08,672 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 396 transitions. [2025-02-08 13:35:08,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 13:35:08,673 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 396 transitions. [2025-02-08 13:35:08,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 13:35:08,673 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:08,674 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:35:08,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 13:35:08,674 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:08,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:08,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1044084997, now seen corresponding path program 1 times [2025-02-08 13:35:08,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:08,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25756274] [2025-02-08 13:35:08,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:08,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:08,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 13:35:08,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 13:35:08,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:08,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:08,812 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 13:35:08,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:08,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25756274] [2025-02-08 13:35:08,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25756274] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:08,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:08,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:35:08,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341036626] [2025-02-08 13:35:08,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:08,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:35:08,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:08,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:35:08,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:35:08,814 INFO L87 Difference]: Start difference. First operand 304 states and 396 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 13:35:08,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:08,961 INFO L93 Difference]: Finished difference Result 767 states and 1005 transitions. [2025-02-08 13:35:08,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:35:08,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2025-02-08 13:35:08,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:08,965 INFO L225 Difference]: With dead ends: 767 [2025-02-08 13:35:08,965 INFO L226 Difference]: Without dead ends: 390 [2025-02-08 13:35:08,968 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 13:35:08,970 INFO L435 NwaCegarLoop]: 364 mSDtfsCounter, 170 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:08,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 706 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:08,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-02-08 13:35:08,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 388. [2025-02-08 13:35:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 378 states have (on average 1.3253968253968254) internal successors, (501), 383 states have internal predecessors, (501), 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 13:35:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 507 transitions. [2025-02-08 13:35:08,981 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 507 transitions. Word has length 80 [2025-02-08 13:35:08,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:08,982 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 507 transitions. [2025-02-08 13:35:08,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 13:35:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 507 transitions. [2025-02-08 13:35:08,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 13:35:08,983 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:08,983 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] [2025-02-08 13:35:08,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 13:35:08,983 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:08,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:08,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1494593938, now seen corresponding path program 1 times [2025-02-08 13:35:08,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:08,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598956373] [2025-02-08 13:35:08,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:08,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:09,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 13:35:09,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 13:35:09,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:09,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:09,329 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 13:35:09,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:09,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598956373] [2025-02-08 13:35:09,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598956373] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:09,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:09,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:35:09,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417224753] [2025-02-08 13:35:09,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:09,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:35:09,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:09,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:35:09,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:35:09,331 INFO L87 Difference]: Start difference. First operand 388 states and 507 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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 13:35:09,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:09,430 INFO L93 Difference]: Finished difference Result 597 states and 779 transitions. [2025-02-08 13:35:09,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:35:09,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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 95 [2025-02-08 13:35:09,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:09,432 INFO L225 Difference]: With dead ends: 597 [2025-02-08 13:35:09,432 INFO L226 Difference]: Without dead ends: 595 [2025-02-08 13:35:09,432 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 13:35:09,432 INFO L435 NwaCegarLoop]: 352 mSDtfsCounter, 286 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:09,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1048 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:35:09,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2025-02-08 13:35:09,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 451. [2025-02-08 13:35:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 438 states have (on average 1.3196347031963471) internal successors, (578), 443 states have internal predecessors, (578), 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 13:35:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 590 transitions. [2025-02-08 13:35:09,441 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 590 transitions. Word has length 95 [2025-02-08 13:35:09,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:09,442 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 590 transitions. [2025-02-08 13:35:09,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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 13:35:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 590 transitions. [2025-02-08 13:35:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 13:35:09,443 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:09,443 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 13:35:09,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 13:35:09,443 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:09,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:09,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1867134430, now seen corresponding path program 1 times [2025-02-08 13:35:09,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:09,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139232284] [2025-02-08 13:35:09,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:09,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:09,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 13:35:09,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 13:35:09,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:09,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:09,839 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 13:35:09,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:09,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139232284] [2025-02-08 13:35:09,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139232284] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:09,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036124550] [2025-02-08 13:35:09,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:09,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:09,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:09,843 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 13:35:09,848 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 13:35:10,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 13:35:10,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 13:35:10,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:10,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:10,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-08 13:35:10,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:10,236 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 13:35:10,267 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 13:35:10,292 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 13:35:10,866 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 13:35:10,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:10,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036124550] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:10,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:10,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-02-08 13:35:10,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274418016] [2025-02-08 13:35:10,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:10,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 13:35:10,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:10,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 13:35:10,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:35:10,867 INFO L87 Difference]: Start difference. First operand 451 states and 590 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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 13:35:12,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:12,081 INFO L93 Difference]: Finished difference Result 1007 states and 1325 transitions. [2025-02-08 13:35:12,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 13:35:12,081 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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 101 [2025-02-08 13:35:12,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:12,083 INFO L225 Difference]: With dead ends: 1007 [2025-02-08 13:35:12,083 INFO L226 Difference]: Without dead ends: 595 [2025-02-08 13:35:12,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-08 13:35:12,086 INFO L435 NwaCegarLoop]: 376 mSDtfsCounter, 466 mSDsluCounter, 2071 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 2447 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:12,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 2447 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 13:35:12,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2025-02-08 13:35:12,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 451. [2025-02-08 13:35:12,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 438 states have (on average 1.317351598173516) internal successors, (577), 443 states have internal predecessors, (577), 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 13:35:12,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 589 transitions. [2025-02-08 13:35:12,101 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 589 transitions. Word has length 101 [2025-02-08 13:35:12,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:12,101 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 589 transitions. [2025-02-08 13:35:12,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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 13:35:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 589 transitions. [2025-02-08 13:35:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-08 13:35:12,104 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:12,104 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, 1] [2025-02-08 13:35:12,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 13:35:12,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:12,309 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:12,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:12,310 INFO L85 PathProgramCache]: Analyzing trace with hash 59425271, now seen corresponding path program 1 times [2025-02-08 13:35:12,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:12,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822192321] [2025-02-08 13:35:12,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:12,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:12,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 13:35:12,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 13:35:12,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:12,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:12,599 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 13:35:12,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:12,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822192321] [2025-02-08 13:35:12,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822192321] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:12,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270427521] [2025-02-08 13:35:12,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:12,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:12,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:12,603 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 13:35:12,606 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 13:35:12,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 13:35:12,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 13:35:12,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:12,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:12,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-08 13:35:12,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:12,850 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 13:35:12,862 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 13:35:12,875 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 13:35:13,409 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 13:35:13,409 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:13,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270427521] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:13,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:13,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-02-08 13:35:13,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277561016] [2025-02-08 13:35:13,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:13,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 13:35:13,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:13,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 13:35:13,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-02-08 13:35:13,412 INFO L87 Difference]: Start difference. First operand 451 states and 589 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 12 states have internal predecessors, (95), 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 13:35:15,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:15,129 INFO L93 Difference]: Finished difference Result 1007 states and 1324 transitions. [2025-02-08 13:35:15,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 13:35:15,129 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 12 states have internal predecessors, (95), 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 102 [2025-02-08 13:35:15,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:15,131 INFO L225 Difference]: With dead ends: 1007 [2025-02-08 13:35:15,131 INFO L226 Difference]: Without dead ends: 600 [2025-02-08 13:35:15,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-02-08 13:35:15,133 INFO L435 NwaCegarLoop]: 333 mSDtfsCounter, 528 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 2519 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:15,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 2519 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 13:35:15,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2025-02-08 13:35:15,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 455. [2025-02-08 13:35:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 442 states have (on average 1.3167420814479638) internal successors, (582), 447 states have internal predecessors, (582), 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 13:35:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 594 transitions. [2025-02-08 13:35:15,143 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 594 transitions. Word has length 102 [2025-02-08 13:35:15,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:15,143 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 594 transitions. [2025-02-08 13:35:15,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 12 states have internal predecessors, (95), 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 13:35:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 594 transitions. [2025-02-08 13:35:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 13:35:15,144 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:15,144 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, 1, 1] [2025-02-08 13:35:15,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 13:35:15,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:15,349 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:15,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:15,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1442297445, now seen corresponding path program 1 times [2025-02-08 13:35:15,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:15,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113068007] [2025-02-08 13:35:15,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:15,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:15,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 13:35:15,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 13:35:15,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:15,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:15,595 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 13:35:15,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:15,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113068007] [2025-02-08 13:35:15,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113068007] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:15,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:15,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 13:35:15,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794235002] [2025-02-08 13:35:15,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:15,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 13:35:15,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:15,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 13:35:15,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:35:15,598 INFO L87 Difference]: Start difference. First operand 455 states and 594 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:16,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:16,091 INFO L93 Difference]: Finished difference Result 870 states and 1147 transitions. [2025-02-08 13:35:16,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 13:35:16,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-02-08 13:35:16,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:16,094 INFO L225 Difference]: With dead ends: 870 [2025-02-08 13:35:16,094 INFO L226 Difference]: Without dead ends: 461 [2025-02-08 13:35:16,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:35:16,096 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 5 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:16,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1248 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 13:35:16,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2025-02-08 13:35:16,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2025-02-08 13:35:16,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 448 states have (on average 1.3125) internal successors, (588), 453 states have internal predecessors, (588), 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 13:35:16,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 600 transitions. [2025-02-08 13:35:16,108 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 600 transitions. Word has length 103 [2025-02-08 13:35:16,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:16,108 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 600 transitions. [2025-02-08 13:35:16,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 600 transitions. [2025-02-08 13:35:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 13:35:16,109 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:16,110 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, 1, 1] [2025-02-08 13:35:16,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 13:35:16,110 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:16,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:16,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1364447831, now seen corresponding path program 1 times [2025-02-08 13:35:16,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:16,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734885723] [2025-02-08 13:35:16,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:16,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:16,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 13:35:16,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 13:35:16,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:16,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:16,314 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 13:35:16,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:16,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734885723] [2025-02-08 13:35:16,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734885723] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:16,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:16,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 13:35:16,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287133243] [2025-02-08 13:35:16,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:16,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:35:16,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:16,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:35:16,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:35:16,317 INFO L87 Difference]: Start difference. First operand 461 states and 600 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:16,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:16,690 INFO L93 Difference]: Finished difference Result 876 states and 1151 transitions. [2025-02-08 13:35:16,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:35:16,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-02-08 13:35:16,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:16,692 INFO L225 Difference]: With dead ends: 876 [2025-02-08 13:35:16,692 INFO L226 Difference]: Without dead ends: 471 [2025-02-08 13:35:16,692 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 [2025-02-08 13:35:16,693 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 10 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:16,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1800 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:35:16,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-02-08 13:35:16,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 469. [2025-02-08 13:35:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 456 states have (on average 1.3114035087719298) internal successors, (598), 461 states have internal predecessors, (598), 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 13:35:16,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 610 transitions. [2025-02-08 13:35:16,709 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 610 transitions. Word has length 103 [2025-02-08 13:35:16,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:16,709 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 610 transitions. [2025-02-08 13:35:16,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 610 transitions. [2025-02-08 13:35:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 13:35:16,710 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:16,710 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, 1, 1, 1] [2025-02-08 13:35:16,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 13:35:16,710 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:16,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:16,711 INFO L85 PathProgramCache]: Analyzing trace with hash -669901476, now seen corresponding path program 1 times [2025-02-08 13:35:16,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:16,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903785790] [2025-02-08 13:35:16,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:16,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:16,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 13:35:16,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 13:35:16,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:16,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:16,981 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 13:35:16,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:16,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903785790] [2025-02-08 13:35:16,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903785790] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:16,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520434226] [2025-02-08 13:35:16,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:16,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:16,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:16,984 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) [2025-02-08 13:35:16,985 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 [2025-02-08 13:35:17,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 13:35:17,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 13:35:17,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:17,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:17,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 13:35:17,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:28,609 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 13:35:28,610 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:28,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520434226] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:28,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:28,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 13:35:28,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22067408] [2025-02-08 13:35:28,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:28,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:35:28,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:28,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:35:28,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:28,611 INFO L87 Difference]: Start difference. First operand 469 states and 610 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:33,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 13:35:35,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 13:35:39,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 13:35:43,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 13:35:45,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 13:35:48,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 13:35:52,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 13:35:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:53,043 INFO L93 Difference]: Finished difference Result 898 states and 1180 transitions. [2025-02-08 13:35:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:35:53,043 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2025-02-08 13:35:53,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:53,045 INFO L225 Difference]: With dead ends: 898 [2025-02-08 13:35:53,045 INFO L226 Difference]: Without dead ends: 475 [2025-02-08 13:35:53,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:53,046 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 8 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:53,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1800 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 492 Invalid, 4 Unknown, 0 Unchecked, 24.4s Time] [2025-02-08 13:35:53,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2025-02-08 13:35:53,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 465. [2025-02-08 13:35:53,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 452 states have (on average 1.3075221238938053) internal successors, (591), 457 states have internal predecessors, (591), 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 13:35:53,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 603 transitions. [2025-02-08 13:35:53,054 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 603 transitions. Word has length 104 [2025-02-08 13:35:53,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:53,055 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 603 transitions. [2025-02-08 13:35:53,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:35:53,055 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 603 transitions. [2025-02-08 13:35:53,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 13:35:53,055 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:53,056 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, 1, 1, 1, 1] [2025-02-08 13:35:53,065 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 [2025-02-08 13:35:53,256 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,SelfDestructingSolverStorable14 [2025-02-08 13:35:53,257 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:53,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:53,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1855422677, now seen corresponding path program 1 times [2025-02-08 13:35:53,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:53,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609722669] [2025-02-08 13:35:53,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:53,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:53,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:35:53,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:35:53,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:53,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:53,470 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 13:35:53,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:53,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609722669] [2025-02-08 13:35:53,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609722669] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:53,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968194419] [2025-02-08 13:35:53,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:53,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:53,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:53,472 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) [2025-02-08 13:35:53,479 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 [2025-02-08 13:35:53,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:35:53,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:35:53,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:53,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:53,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 13:35:53,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:53,862 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 13:35:53,865 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:53,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968194419] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:53,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:53,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2025-02-08 13:35:53,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277782443] [2025-02-08 13:35:53,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:53,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 13:35:53,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:53,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 13:35:53,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:35:53,866 INFO L87 Difference]: Start difference. First operand 465 states and 603 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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 13:35:54,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:54,266 INFO L93 Difference]: Finished difference Result 889 states and 1162 transitions. [2025-02-08 13:35:54,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 13:35:54,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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 105 [2025-02-08 13:35:54,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:54,268 INFO L225 Difference]: With dead ends: 889 [2025-02-08 13:35:54,268 INFO L226 Difference]: Without dead ends: 485 [2025-02-08 13:35:54,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-02-08 13:35:54,269 INFO L435 NwaCegarLoop]: 343 mSDtfsCounter, 31 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:54,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 2107 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:35:54,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-02-08 13:35:54,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 475. [2025-02-08 13:35:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 462 states have (on average 1.3051948051948052) internal successors, (603), 467 states have internal predecessors, (603), 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 13:35:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 615 transitions. [2025-02-08 13:35:54,277 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 615 transitions. Word has length 105 [2025-02-08 13:35:54,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:54,277 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 615 transitions. [2025-02-08 13:35:54,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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 13:35:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 615 transitions. [2025-02-08 13:35:54,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 13:35:54,278 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:54,278 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, 1, 1, 1, 1] [2025-02-08 13:35:54,290 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 [2025-02-08 13:35:54,479 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,SelfDestructingSolverStorable15 [2025-02-08 13:35:54,479 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:54,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:54,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1033345076, now seen corresponding path program 1 times [2025-02-08 13:35:54,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:54,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443203684] [2025-02-08 13:35:54,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:54,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:54,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 13:35:54,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 13:35:54,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:54,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:54,759 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 13:35:54,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:54,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443203684] [2025-02-08 13:35:54,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443203684] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:54,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:35:54,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 13:35:54,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137764220] [2025-02-08 13:35:54,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:54,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 13:35:54,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:54,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 13:35:54,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:54,761 INFO L87 Difference]: Start difference. First operand 475 states and 615 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 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 13:35:55,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:35:55,118 INFO L93 Difference]: Finished difference Result 904 states and 1180 transitions. [2025-02-08 13:35:55,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 13:35:55,119 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 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 105 [2025-02-08 13:35:55,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:35:55,120 INFO L225 Difference]: With dead ends: 904 [2025-02-08 13:35:55,120 INFO L226 Difference]: Without dead ends: 495 [2025-02-08 13:35:55,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:35:55,121 INFO L435 NwaCegarLoop]: 356 mSDtfsCounter, 16 mSDsluCounter, 1823 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:35:55,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2179 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:35:55,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2025-02-08 13:35:55,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 489. [2025-02-08 13:35:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 476 states have (on average 1.3046218487394958) internal successors, (621), 481 states have internal predecessors, (621), 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 13:35:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 633 transitions. [2025-02-08 13:35:55,132 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 633 transitions. Word has length 105 [2025-02-08 13:35:55,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:35:55,132 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 633 transitions. [2025-02-08 13:35:55,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 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 13:35:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 633 transitions. [2025-02-08 13:35:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-08 13:35:55,133 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:35:55,133 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, 1, 1, 1, 1, 1] [2025-02-08 13:35:55,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 13:35:55,133 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:35:55,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:35:55,135 INFO L85 PathProgramCache]: Analyzing trace with hash 2097349909, now seen corresponding path program 1 times [2025-02-08 13:35:55,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:35:55,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356978407] [2025-02-08 13:35:55,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:55,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:35:55,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 13:35:55,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 13:35:55,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:55,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:55,329 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 13:35:55,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:35:55,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356978407] [2025-02-08 13:35:55,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356978407] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:35:55,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018440817] [2025-02-08 13:35:55,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:35:55,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:35:55,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:35:55,333 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) [2025-02-08 13:35:55,339 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 [2025-02-08 13:35:55,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 13:35:55,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 13:35:55,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:35:55,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:35:55,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 13:35:55,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:35:56,052 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 13:35:56,052 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:35:56,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018440817] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:35:56,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:35:56,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-02-08 13:35:56,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276964625] [2025-02-08 13:35:56,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:35:56,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 13:35:56,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:35:56,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 13:35:56,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-02-08 13:35:56,055 INFO L87 Difference]: Start difference. First operand 489 states and 633 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 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 13:36:00,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-08 13:36:01,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:36:01,255 INFO L93 Difference]: Finished difference Result 910 states and 1186 transitions. [2025-02-08 13:36:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:36:01,256 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 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 106 [2025-02-08 13:36:01,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:36:01,257 INFO L225 Difference]: With dead ends: 910 [2025-02-08 13:36:01,257 INFO L226 Difference]: Without dead ends: 489 [2025-02-08 13:36:01,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-02-08 13:36:01,258 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 7 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3270 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:36:01,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3270 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 962 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2025-02-08 13:36:01,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-02-08 13:36:01,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 485. [2025-02-08 13:36:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 472 states have (on average 1.3029661016949152) internal successors, (615), 477 states have internal predecessors, (615), 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 13:36:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 627 transitions. [2025-02-08 13:36:01,295 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 627 transitions. Word has length 106 [2025-02-08 13:36:01,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:36:01,295 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 627 transitions. [2025-02-08 13:36:01,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 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 13:36:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 627 transitions. [2025-02-08 13:36:01,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-08 13:36:01,296 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:36:01,296 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, 1, 1, 1, 1, 1] [2025-02-08 13:36:01,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 13:36:01,496 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,SelfDestructingSolverStorable17 [2025-02-08 13:36:01,497 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:36:01,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:36:01,497 INFO L85 PathProgramCache]: Analyzing trace with hash 276529077, now seen corresponding path program 1 times [2025-02-08 13:36:01,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:36:01,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839209658] [2025-02-08 13:36:01,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:01,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:36:01,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 13:36:01,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 13:36:01,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:01,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:01,677 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 13:36:01,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:36:01,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839209658] [2025-02-08 13:36:01,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839209658] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:36:01,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808039201] [2025-02-08 13:36:01,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:01,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:01,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:36:01,680 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) [2025-02-08 13:36:01,680 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 [2025-02-08 13:36:01,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 13:36:01,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 13:36:01,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:01,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:01,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 13:36:01,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:36:02,024 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 13:36:02,024 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:36:02,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808039201] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:36:02,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:36:02,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 13:36:02,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015783586] [2025-02-08 13:36:02,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:36:02,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:36:02,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:36:02,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:36:02,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:36:02,025 INFO L87 Difference]: Start difference. First operand 485 states and 627 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 13:36:02,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:36:02,325 INFO L93 Difference]: Finished difference Result 909 states and 1186 transitions. [2025-02-08 13:36:02,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 13:36:02,325 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 106 [2025-02-08 13:36:02,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:36:02,327 INFO L225 Difference]: With dead ends: 909 [2025-02-08 13:36:02,327 INFO L226 Difference]: Without dead ends: 495 [2025-02-08 13:36:02,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-08 13:36:02,327 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 30 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1812 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:36:02,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1812 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:36:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2025-02-08 13:36:02,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 489. [2025-02-08 13:36:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 476 states have (on average 1.300420168067227) internal successors, (619), 481 states have internal predecessors, (619), 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 13:36:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 631 transitions. [2025-02-08 13:36:02,335 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 631 transitions. Word has length 106 [2025-02-08 13:36:02,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:36:02,335 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 631 transitions. [2025-02-08 13:36:02,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 13:36:02,335 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 631 transitions. [2025-02-08 13:36:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-08 13:36:02,336 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:36:02,336 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, 1, 1, 1, 1, 1] [2025-02-08 13:36:02,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 13:36:02,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:02,537 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:36:02,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:36:02,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1873606649, now seen corresponding path program 1 times [2025-02-08 13:36:02,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:36:02,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947116896] [2025-02-08 13:36:02,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:02,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:36:02,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 13:36:02,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 13:36:02,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:02,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:02,759 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 13:36:02,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:36:02,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947116896] [2025-02-08 13:36:02,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947116896] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:36:02,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114159933] [2025-02-08 13:36:02,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:02,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:02,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:36:02,762 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) [2025-02-08 13:36:02,763 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 [2025-02-08 13:36:02,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 13:36:03,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 13:36:03,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:03,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:03,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 13:36:03,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:36:03,083 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 13:36:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:36:03,122 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:36:03,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114159933] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:36:03,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:36:03,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2025-02-08 13:36:03,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324840700] [2025-02-08 13:36:03,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:36:03,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 13:36:03,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:36:03,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 13:36:03,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:36:03,123 INFO L87 Difference]: Start difference. First operand 489 states and 631 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:36:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:36:03,295 INFO L93 Difference]: Finished difference Result 873 states and 1134 transitions. [2025-02-08 13:36:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 13:36:03,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2025-02-08 13:36:03,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:36:03,299 INFO L225 Difference]: With dead ends: 873 [2025-02-08 13:36:03,299 INFO L226 Difference]: Without dead ends: 492 [2025-02-08 13:36:03,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 13:36:03,300 INFO L435 NwaCegarLoop]: 356 mSDtfsCounter, 185 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:36:03,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 1754 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:36:03,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2025-02-08 13:36:03,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2025-02-08 13:36:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 478 states have (on average 1.301255230125523) internal successors, (622), 484 states have internal predecessors, (622), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:36:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 636 transitions. [2025-02-08 13:36:03,312 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 636 transitions. Word has length 106 [2025-02-08 13:36:03,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:36:03,312 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 636 transitions. [2025-02-08 13:36:03,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:36:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 636 transitions. [2025-02-08 13:36:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-08 13:36:03,313 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:36:03,313 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:36:03,322 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 [2025-02-08 13:36:03,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:03,514 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:36:03,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:36:03,515 INFO L85 PathProgramCache]: Analyzing trace with hash -798376387, now seen corresponding path program 1 times [2025-02-08 13:36:03,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:36:03,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930738734] [2025-02-08 13:36:03,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:03,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:36:03,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-08 13:36:03,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-08 13:36:03,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:03,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 13:36:03,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:36:03,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930738734] [2025-02-08 13:36:03,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930738734] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:36:03,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264651005] [2025-02-08 13:36:03,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:03,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:03,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:36:03,735 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:36:03,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 13:36:03,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-08 13:36:04,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-08 13:36:04,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:04,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:04,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-08 13:36:04,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:36:04,146 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 13:36:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 13:36:04,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:36:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 13:36:04,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264651005] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:36:04,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:36:04,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 9] total 17 [2025-02-08 13:36:04,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765629372] [2025-02-08 13:36:04,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:36:04,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 13:36:04,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:36:04,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 13:36:04,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2025-02-08 13:36:04,815 INFO L87 Difference]: Start difference. First operand 492 states and 636 transitions. Second operand has 17 states, 17 states have (on average 12.294117647058824) internal successors, (209), 17 states have internal predecessors, (209), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 13:36:09,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-02-08 13:36:13,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-02-08 13:36:17,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-02-08 13:36:17,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:36:17,941 INFO L93 Difference]: Finished difference Result 1112 states and 1449 transitions. [2025-02-08 13:36:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-02-08 13:36:17,942 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.294117647058824) internal successors, (209), 17 states have internal predecessors, (209), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 108 [2025-02-08 13:36:17,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:36:17,944 INFO L225 Difference]: With dead ends: 1112 [2025-02-08 13:36:17,944 INFO L226 Difference]: Without dead ends: 726 [2025-02-08 13:36:17,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2025-02-08 13:36:17,946 INFO L435 NwaCegarLoop]: 416 mSDtfsCounter, 646 mSDsluCounter, 4058 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 25 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 4474 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2025-02-08 13:36:17,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 4474 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 714 Invalid, 3 Unknown, 0 Unchecked, 12.7s Time] [2025-02-08 13:36:17,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2025-02-08 13:36:17,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 577. [2025-02-08 13:36:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 557 states have (on average 1.3123877917414721) internal successors, (731), 564 states have internal predecessors, (731), 7 states have call successors, (7), 4 states have call predecessors, (7), 7 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2025-02-08 13:36:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 751 transitions. [2025-02-08 13:36:17,963 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 751 transitions. Word has length 108 [2025-02-08 13:36:17,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:36:17,964 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 751 transitions. [2025-02-08 13:36:17,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.294117647058824) internal successors, (209), 17 states have internal predecessors, (209), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 13:36:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 751 transitions. [2025-02-08 13:36:17,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 13:36:17,964 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:36:17,965 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:36:17,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 13:36:18,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:18,166 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:36:18,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:36:18,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1503217543, now seen corresponding path program 2 times [2025-02-08 13:36:18,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:36:18,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599684310] [2025-02-08 13:36:18,166 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:36:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:36:18,205 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-02-08 13:36:18,271 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 13:36:18,272 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:36:18,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 13:36:18,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:36:18,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599684310] [2025-02-08 13:36:18,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599684310] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:36:18,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934486748] [2025-02-08 13:36:18,419 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:36:18,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:18,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:36:18,422 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:36:18,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 13:36:18,699 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-02-08 13:36:18,709 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 112 statements. [2025-02-08 13:36:18,709 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 13:36:18,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:18,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 13:36:18,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:36:18,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2025-02-08 13:36:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-08 13:36:18,723 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:36:18,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934486748] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:36:18,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:36:18,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2025-02-08 13:36:18,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56753914] [2025-02-08 13:36:18,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:36:18,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:36:18,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:36:18,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:36:18,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:36:18,724 INFO L87 Difference]: Start difference. First operand 577 states and 751 transitions. Second operand has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:36:18,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:36:18,783 INFO L93 Difference]: Finished difference Result 577 states and 751 transitions. [2025-02-08 13:36:18,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:36:18,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 112 [2025-02-08 13:36:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:36:18,785 INFO L225 Difference]: With dead ends: 577 [2025-02-08 13:36:18,785 INFO L226 Difference]: Without dead ends: 576 [2025-02-08 13:36:18,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:36:18,786 INFO L435 NwaCegarLoop]: 360 mSDtfsCounter, 1 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:36:18,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 718 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:36:18,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2025-02-08 13:36:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2025-02-08 13:36:18,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 557 states have (on average 1.310592459605027) internal successors, (730), 563 states have internal predecessors, (730), 7 states have call successors, (7), 4 states have call predecessors, (7), 7 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2025-02-08 13:36:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 750 transitions. [2025-02-08 13:36:18,798 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 750 transitions. Word has length 112 [2025-02-08 13:36:18,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:36:18,799 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 750 transitions. [2025-02-08 13:36:18,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:36:18,799 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 750 transitions. [2025-02-08 13:36:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 13:36:18,799 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:36:18,799 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:36:18,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 13:36:19,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:19,000 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:36:19,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:36:19,001 INFO L85 PathProgramCache]: Analyzing trace with hash 644897069, now seen corresponding path program 1 times [2025-02-08 13:36:19,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:36:19,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522944384] [2025-02-08 13:36:19,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:19,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:36:19,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 13:36:19,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 13:36:19,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:19,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 13:36:19,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:36:19,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522944384] [2025-02-08 13:36:19,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522944384] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:36:19,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562560964] [2025-02-08 13:36:19,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:19,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:19,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:36:19,270 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:36:19,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 13:36:19,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 13:36:19,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 13:36:19,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:19,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:19,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 13:36:19,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:36:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-08 13:36:19,904 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:36:19,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562560964] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:36:19,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:36:19,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-02-08 13:36:19,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901585523] [2025-02-08 13:36:19,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:36:19,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:36:19,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:36:19,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:36:19,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-02-08 13:36:19,905 INFO L87 Difference]: Start difference. First operand 576 states and 750 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 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 13:36:20,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:36:20,299 INFO L93 Difference]: Finished difference Result 1094 states and 1438 transitions. [2025-02-08 13:36:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:36:20,299 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 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 113 [2025-02-08 13:36:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:36:20,305 INFO L225 Difference]: With dead ends: 1094 [2025-02-08 13:36:20,305 INFO L226 Difference]: Without dead ends: 586 [2025-02-08 13:36:20,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-02-08 13:36:20,310 INFO L435 NwaCegarLoop]: 351 mSDtfsCounter, 6 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:36:20,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1800 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:36:20,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2025-02-08 13:36:20,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 576. [2025-02-08 13:36:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 557 states have (on average 1.310592459605027) internal successors, (730), 563 states have internal predecessors, (730), 7 states have call successors, (7), 4 states have call predecessors, (7), 7 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2025-02-08 13:36:20,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 750 transitions. [2025-02-08 13:36:20,331 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 750 transitions. Word has length 113 [2025-02-08 13:36:20,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:36:20,331 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 750 transitions. [2025-02-08 13:36:20,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 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 13:36:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 750 transitions. [2025-02-08 13:36:20,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 13:36:20,332 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:36:20,332 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:36:20,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 13:36:20,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-02-08 13:36:20,533 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:36:20,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:36:20,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1253086362, now seen corresponding path program 1 times [2025-02-08 13:36:20,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:36:20,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540100589] [2025-02-08 13:36:20,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:20,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:36:20,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 13:36:20,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 13:36:20,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:20,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-08 13:36:20,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:36:20,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540100589] [2025-02-08 13:36:20,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540100589] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:36:20,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:36:20,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 13:36:20,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355620518] [2025-02-08 13:36:20,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:36:20,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 13:36:20,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:36:20,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 13:36:20,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:36:20,843 INFO L87 Difference]: Start difference. First operand 576 states and 750 transitions. Second operand has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 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 13:36:21,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:36:21,409 INFO L93 Difference]: Finished difference Result 1102 states and 1448 transitions. [2025-02-08 13:36:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 13:36:21,409 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 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 113 [2025-02-08 13:36:21,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:36:21,411 INFO L225 Difference]: With dead ends: 1102 [2025-02-08 13:36:21,411 INFO L226 Difference]: Without dead ends: 594 [2025-02-08 13:36:21,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-08 13:36:21,412 INFO L435 NwaCegarLoop]: 356 mSDtfsCounter, 19 mSDsluCounter, 2376 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2732 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:36:21,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2732 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 13:36:21,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2025-02-08 13:36:21,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 582. [2025-02-08 13:36:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 563 states have (on average 1.3072824156305507) internal successors, (736), 569 states have internal predecessors, (736), 7 states have call successors, (7), 4 states have call predecessors, (7), 7 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2025-02-08 13:36:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 756 transitions. [2025-02-08 13:36:21,429 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 756 transitions. Word has length 113 [2025-02-08 13:36:21,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:36:21,429 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 756 transitions. [2025-02-08 13:36:21,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 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 13:36:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 756 transitions. [2025-02-08 13:36:21,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-08 13:36:21,430 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:36:21,430 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:36:21,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-02-08 13:36:21,430 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:36:21,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:36:21,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1416573829, now seen corresponding path program 1 times [2025-02-08 13:36:21,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:36:21,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473648008] [2025-02-08 13:36:21,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:21,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:36:21,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 13:36:21,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 13:36:21,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:21,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:21,837 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 13:36:21,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:36:21,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473648008] [2025-02-08 13:36:21,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473648008] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:36:21,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57716120] [2025-02-08 13:36:21,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:36:21,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:21,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:36:21,839 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:36:21,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 13:36:22,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 13:36:22,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 13:36:22,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:36:22,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:22,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 13:36:22,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:36:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 13:36:22,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:36:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 13:36:22,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57716120] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:36:22,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:36:22,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 14 [2025-02-08 13:36:22,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499877431] [2025-02-08 13:36:22,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:36:22,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 13:36:22,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:36:22,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 13:36:22,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2025-02-08 13:36:22,425 INFO L87 Difference]: Start difference. First operand 582 states and 756 transitions. Second operand has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 13:36:22,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:36:22,834 INFO L93 Difference]: Finished difference Result 1008 states and 1313 transitions. [2025-02-08 13:36:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 13:36:22,835 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 114 [2025-02-08 13:36:22,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:36:22,837 INFO L225 Difference]: With dead ends: 1008 [2025-02-08 13:36:22,837 INFO L226 Difference]: Without dead ends: 531 [2025-02-08 13:36:22,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2025-02-08 13:36:22,838 INFO L435 NwaCegarLoop]: 350 mSDtfsCounter, 25 mSDsluCounter, 3447 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3797 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:36:22,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3797 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:36:22,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2025-02-08 13:36:22,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2025-02-08 13:36:22,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 512 states have (on average 1.296875) internal successors, (664), 518 states have internal predecessors, (664), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:36:22,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 678 transitions. [2025-02-08 13:36:22,850 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 678 transitions. Word has length 114 [2025-02-08 13:36:22,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:36:22,851 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 678 transitions. [2025-02-08 13:36:22,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 13:36:22,851 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 678 transitions. [2025-02-08 13:36:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-02-08 13:36:22,852 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:36:22,852 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:36:22,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 13:36:23,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:23,053 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:36:23,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:36:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash 942281349, now seen corresponding path program 2 times [2025-02-08 13:36:23,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:36:23,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589219999] [2025-02-08 13:36:23,053 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:36:23,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:36:23,085 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-02-08 13:36:23,190 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-02-08 13:36:23,190 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:36:23,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:23,507 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 13:36:23,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:36:23,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589219999] [2025-02-08 13:36:23,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589219999] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:36:23,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827066422] [2025-02-08 13:36:23,508 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:36:23,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:36:23,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:36:23,511 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:36:23,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 13:36:23,800 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-02-08 13:36:23,968 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-02-08 13:36:23,968 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:36:23,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:36:23,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 13:36:23,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:36:24,075 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 44 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 13:36:24,075 INFO L312 TraceCheckSpWp]: Computing backward predicates...