./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc 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/memsafety-ext2/split_list_test05-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:37:32,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:37:32,100 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:37:32,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:37:32,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:37:32,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:37:32,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:37:32,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:37:32,126 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:37:32,126 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:37:32,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:37:32,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:37:32,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:37:32,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:37:32,127 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:37:32,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:37:32,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:37:32,127 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:37:32,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:37:32,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:37:32,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:37:32,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:37:32,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:37:32,128 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:37:32,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:37:32,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:37:32,129 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:37:32,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:37:32,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:37:32,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:37:32,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:37:32,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:37:32,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:37:32,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:37:32,129 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 -> db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 [2025-02-06 13:37:32,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:37:32,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:37:32,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:37:32,358 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:37:32,358 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:37:32,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2025-02-06 13:37:33,563 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83b3044e1/35aa15ce507c40acaea104df392487cd/FLAG507ba619b [2025-02-06 13:37:33,945 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:37:33,946 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2025-02-06 13:37:33,961 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83b3044e1/35aa15ce507c40acaea104df392487cd/FLAG507ba619b [2025-02-06 13:37:33,979 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83b3044e1/35aa15ce507c40acaea104df392487cd [2025-02-06 13:37:33,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:37:33,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:37:33,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:37:33,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:37:33,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:37:33,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:37:33" (1/1) ... [2025-02-06 13:37:33,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601ff6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:33, skipping insertion in model container [2025-02-06 13:37:33,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:37:33" (1/1) ... [2025-02-06 13:37:34,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:37:34,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:37:34,277 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:37:34,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:37:34,331 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:37:34,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34 WrapperNode [2025-02-06 13:37:34,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:37:34,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:37:34,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:37:34,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:37:34,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,361 INFO L138 Inliner]: procedures = 125, calls = 95, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 328 [2025-02-06 13:37:34,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:37:34,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:37:34,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:37:34,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:37:34,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,390 INFO L175 MemorySlicer]: Split 66 memory accesses to 3 slices as follows [2, 54, 10]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 11 writes are split as follows [0, 6, 5]. [2025-02-06 13:37:34,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,399 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:37:34,404 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:37:34,405 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:37:34,405 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:37:34,405 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (1/1) ... [2025-02-06 13:37:34,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:37:34,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:34,429 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) [2025-02-06 13:37:34,432 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 [2025-02-06 13:37:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 13:37:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 13:37:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 13:37:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 13:37:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 13:37:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 13:37:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 13:37:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:37:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 13:37:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 13:37:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 13:37:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 13:37:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 13:37:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 13:37:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 13:37:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:37:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 13:37:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 13:37:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:37:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:37:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure append [2025-02-06 13:37:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2025-02-06 13:37:34,581 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:37:34,583 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:37:35,027 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L555: havoc containsBody_#t~mem29#1;havoc containsBody_#t~mem30#1.base, containsBody_#t~mem30#1.offset;havoc containsBody_#t~mem31#1;havoc containsBody_#t~short32#1;havoc containsBody_#t~mem33#1.base, containsBody_#t~mem33#1.offset;havoc containsBody_#t~mem34#1.base, containsBody_#t~mem34#1.offset;havoc containsBody_#t~mem35#1;havoc containsBody_#t~short36#1;havoc containsBody_#t~mem37#1.base, containsBody_#t~mem37#1.offset;havoc containsBody_#t~mem38#1.base, containsBody_#t~mem38#1.offset;havoc containsBody_#t~mem39#1.base, containsBody_#t~mem39#1.offset;havoc containsBody_#t~mem40#1;havoc containsBody_#t~short41#1;havoc containsBody_#t~mem42#1.base, containsBody_#t~mem42#1.offset;havoc containsBody_#t~mem43#1.base, containsBody_#t~mem43#1.offset;havoc containsBody_#t~mem44#1.base, containsBody_#t~mem44#1.offset;havoc containsBody_#t~mem45#1.base, containsBody_#t~mem45#1.offset;havoc containsBody_#t~mem46#1;havoc containsBody_#t~short47#1;havoc containsBody_#t~mem48#1.base, containsBody_#t~mem48#1.offset;havoc containsBody_#t~mem49#1.base, containsBody_#t~mem49#1.offset;havoc containsBody_#t~mem50#1.base, containsBody_#t~mem50#1.offset;havoc containsBody_#t~mem51#1.base, containsBody_#t~mem51#1.offset;havoc containsBody_#t~mem52#1.base, containsBody_#t~mem52#1.offset;havoc containsBody_#t~mem53#1;havoc containsBody_#t~short54#1; [2025-02-06 13:37:35,027 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L551: havoc containsHead_#t~mem3#1;havoc containsHead_#t~mem4#1.base, containsHead_#t~mem4#1.offset;havoc containsHead_#t~mem5#1;havoc containsHead_#t~short6#1;havoc containsHead_#t~mem7#1.base, containsHead_#t~mem7#1.offset;havoc containsHead_#t~mem8#1.base, containsHead_#t~mem8#1.offset;havoc containsHead_#t~mem9#1;havoc containsHead_#t~short10#1;havoc containsHead_#t~mem11#1.base, containsHead_#t~mem11#1.offset;havoc containsHead_#t~mem12#1.base, containsHead_#t~mem12#1.offset;havoc containsHead_#t~mem13#1.base, containsHead_#t~mem13#1.offset;havoc containsHead_#t~mem14#1;havoc containsHead_#t~short15#1;havoc containsHead_#t~mem16#1.base, containsHead_#t~mem16#1.offset;havoc containsHead_#t~mem17#1.base, containsHead_#t~mem17#1.offset;havoc containsHead_#t~mem18#1.base, containsHead_#t~mem18#1.offset;havoc containsHead_#t~mem19#1.base, containsHead_#t~mem19#1.offset;havoc containsHead_#t~mem20#1;havoc containsHead_#t~short21#1;havoc containsHead_#t~mem22#1.base, containsHead_#t~mem22#1.offset;havoc containsHead_#t~mem23#1.base, containsHead_#t~mem23#1.offset;havoc containsHead_#t~mem24#1.base, containsHead_#t~mem24#1.offset;havoc containsHead_#t~mem25#1.base, containsHead_#t~mem25#1.offset;havoc containsHead_#t~mem26#1.base, containsHead_#t~mem26#1.offset;havoc containsHead_#t~mem27#1;havoc containsHead_#t~short28#1; [2025-02-06 13:37:35,153 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2025-02-06 13:37:35,153 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:37:35,169 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:37:35,169 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:37:35,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:37:35 BoogieIcfgContainer [2025-02-06 13:37:35,170 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:37:35,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:37:35,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:37:35,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:37:35,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:37:33" (1/3) ... [2025-02-06 13:37:35,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52881364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:37:35, skipping insertion in model container [2025-02-06 13:37:35,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:34" (2/3) ... [2025-02-06 13:37:35,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52881364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:37:35, skipping insertion in model container [2025-02-06 13:37:35,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:37:35" (3/3) ... [2025-02-06 13:37:35,181 INFO L128 eAbstractionObserver]: Analyzing ICFG split_list_test05-2.i [2025-02-06 13:37:35,195 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:37:35,199 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG split_list_test05-2.i that has 2 procedures, 77 locations, 1 initial locations, 11 loop locations, and 4 error locations. [2025-02-06 13:37:35,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:37:35,262 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;@51ec3633, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:37:35,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 13:37:35,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 56 states have (on average 1.5714285714285714) internal successors, (88), 62 states have internal predecessors, (88), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 13:37:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 13:37:35,272 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:35,272 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:37:35,273 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:35,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:35,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1947767377, now seen corresponding path program 1 times [2025-02-06 13:37:35,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:35,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251910186] [2025-02-06 13:37:35,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:35,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:35,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 13:37:35,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 13:37:35,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:35,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-02-06 13:37:35,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:35,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251910186] [2025-02-06 13:37:35,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251910186] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:35,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:37:35,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:37:35,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888576312] [2025-02-06 13:37:35,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:35,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:37:35,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:35,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:37:35,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:37:35,737 INFO L87 Difference]: Start difference. First operand has 77 states, 56 states have (on average 1.5714285714285714) internal successors, (88), 62 states have internal predecessors, (88), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-02-06 13:37:35,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:35,761 INFO L93 Difference]: Finished difference Result 147 states and 225 transitions. [2025-02-06 13:37:35,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:37:35,763 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2025-02-06 13:37:35,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:35,774 INFO L225 Difference]: With dead ends: 147 [2025-02-06 13:37:35,774 INFO L226 Difference]: Without dead ends: 73 [2025-02-06 13:37:35,780 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 [2025-02-06 13:37:35,781 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:35,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:35,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-02-06 13:37:35,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-02-06 13:37:35,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.471698113207547) internal successors, (78), 58 states have internal predecessors, (78), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 13:37:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2025-02-06 13:37:35,833 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 82 [2025-02-06 13:37:35,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:35,833 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2025-02-06 13:37:35,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-02-06 13:37:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2025-02-06 13:37:35,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-06 13:37:35,836 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:35,836 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:37:35,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:37:35,836 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:35,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:35,841 INFO L85 PathProgramCache]: Analyzing trace with hash -839035356, now seen corresponding path program 1 times [2025-02-06 13:37:35,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:35,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572327216] [2025-02-06 13:37:35,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:35,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:36,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 13:37:36,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:37:36,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:36,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2025-02-06 13:37:37,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:37,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572327216] [2025-02-06 13:37:37,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572327216] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:37,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422582053] [2025-02-06 13:37:37,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:37,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:37,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:37,612 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) [2025-02-06 13:37:37,613 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 [2025-02-06 13:37:37,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 13:37:38,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:37:38,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:38,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:38,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:37:38,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2025-02-06 13:37:38,203 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:37:38,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422582053] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:38,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:37:38,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2025-02-06 13:37:38,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705444686] [2025-02-06 13:37:38,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:38,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:38,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:38,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:38,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:37:38,205 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:38,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:38,233 INFO L93 Difference]: Finished difference Result 74 states and 109 transitions. [2025-02-06 13:37:38,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:38,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2025-02-06 13:37:38,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:38,234 INFO L225 Difference]: With dead ends: 74 [2025-02-06 13:37:38,234 INFO L226 Difference]: Without dead ends: 73 [2025-02-06 13:37:38,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:37:38,235 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 1 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:38,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 298 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:38,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-02-06 13:37:38,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2025-02-06 13:37:38,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 57 states have internal predecessors, (77), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 13:37:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 107 transitions. [2025-02-06 13:37:38,240 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 107 transitions. Word has length 121 [2025-02-06 13:37:38,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:38,241 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 107 transitions. [2025-02-06 13:37:38,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2025-02-06 13:37:38,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-06 13:37:38,242 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:38,242 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:37:38,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 13:37:38,443 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 [2025-02-06 13:37:38,443 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:38,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:38,444 INFO L85 PathProgramCache]: Analyzing trace with hash -240292255, now seen corresponding path program 1 times [2025-02-06 13:37:38,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:38,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897838528] [2025-02-06 13:37:38,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:38,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:38,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 13:37:38,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 13:37:38,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:38,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2025-02-06 13:37:39,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:39,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897838528] [2025-02-06 13:37:39,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897838528] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:39,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016226011] [2025-02-06 13:37:39,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:39,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:39,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:39,679 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) [2025-02-06 13:37:39,683 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 [2025-02-06 13:37:40,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 13:37:40,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 13:37:40,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:40,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:40,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:37:40,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2025-02-06 13:37:40,375 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:37:40,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016226011] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:40,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:37:40,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2025-02-06 13:37:40,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197154459] [2025-02-06 13:37:40,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:40,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:40,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:40,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:40,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:37:40,376 INFO L87 Difference]: Start difference. First operand 72 states and 107 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:40,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:40,397 INFO L93 Difference]: Finished difference Result 96 states and 138 transitions. [2025-02-06 13:37:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:40,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2025-02-06 13:37:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:40,399 INFO L225 Difference]: With dead ends: 96 [2025-02-06 13:37:40,399 INFO L226 Difference]: Without dead ends: 76 [2025-02-06 13:37:40,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:37:40,400 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:40,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 302 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:40,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2025-02-06 13:37:40,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2025-02-06 13:37:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 60 states have internal predecessors, (80), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 13:37:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2025-02-06 13:37:40,405 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 122 [2025-02-06 13:37:40,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:40,406 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2025-02-06 13:37:40,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2025-02-06 13:37:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-06 13:37:40,407 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:40,407 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 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] [2025-02-06 13:37:40,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 13:37:40,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:40,611 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:40,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:40,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1163922598, now seen corresponding path program 1 times [2025-02-06 13:37:40,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:40,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618590752] [2025-02-06 13:37:40,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:40,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:40,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 13:37:40,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 13:37:40,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:40,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-02-06 13:37:41,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:41,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618590752] [2025-02-06 13:37:41,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618590752] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:41,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209915091] [2025-02-06 13:37:41,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:41,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:41,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:41,347 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) [2025-02-06 13:37:41,349 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 [2025-02-06 13:37:41,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 13:37:41,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 13:37:41,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:41,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:41,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 1809 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:37:41,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2025-02-06 13:37:41,922 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:37:42,075 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2025-02-06 13:37:42,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209915091] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:37:42,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:37:42,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 17 [2025-02-06 13:37:42,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476643731] [2025-02-06 13:37:42,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:37:42,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 13:37:42,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:42,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 13:37:42,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:37:42,080 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 16 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-02-06 13:37:42,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:42,863 INFO L93 Difference]: Finished difference Result 190 states and 330 transitions. [2025-02-06 13:37:42,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-06 13:37:42,863 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 16 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 125 [2025-02-06 13:37:42,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:42,866 INFO L225 Difference]: With dead ends: 190 [2025-02-06 13:37:42,866 INFO L226 Difference]: Without dead ends: 117 [2025-02-06 13:37:42,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:37:42,867 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 23 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:42,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 896 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:37:42,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-02-06 13:37:42,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 109. [2025-02-06 13:37:42,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 74 states have (on average 1.3918918918918919) internal successors, (103), 80 states have internal predecessors, (103), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2025-02-06 13:37:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 178 transitions. [2025-02-06 13:37:42,881 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 178 transitions. Word has length 125 [2025-02-06 13:37:42,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:42,881 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 178 transitions. [2025-02-06 13:37:42,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 16 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-02-06 13:37:42,881 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 178 transitions. [2025-02-06 13:37:42,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-06 13:37:42,883 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:42,883 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2025-02-06 13:37:42,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 13:37:43,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:43,084 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:43,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:43,085 INFO L85 PathProgramCache]: Analyzing trace with hash -302399903, now seen corresponding path program 1 times [2025-02-06 13:37:43,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:43,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964720676] [2025-02-06 13:37:43,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:43,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:43,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-06 13:37:43,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-06 13:37:43,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:43,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:43,440 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2025-02-06 13:37:43,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:43,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964720676] [2025-02-06 13:37:43,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964720676] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:43,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:37:43,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:37:43,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136552918] [2025-02-06 13:37:43,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:43,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:43,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:43,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:43,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:37:43,442 INFO L87 Difference]: Start difference. First operand 109 states and 178 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:43,471 INFO L93 Difference]: Finished difference Result 114 states and 183 transitions. [2025-02-06 13:37:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:43,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 142 [2025-02-06 13:37:43,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:43,474 INFO L225 Difference]: With dead ends: 114 [2025-02-06 13:37:43,474 INFO L226 Difference]: Without dead ends: 112 [2025-02-06 13:37:43,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:37:43,475 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 1 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:43,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 298 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:43,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-02-06 13:37:43,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2025-02-06 13:37:43,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 83 states have internal predecessors, (106), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2025-02-06 13:37:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 181 transitions. [2025-02-06 13:37:43,495 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 181 transitions. Word has length 142 [2025-02-06 13:37:43,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:43,496 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 181 transitions. [2025-02-06 13:37:43,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:43,496 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2025-02-06 13:37:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-02-06 13:37:43,498 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:43,499 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2025-02-06 13:37:43,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 13:37:43,500 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:43,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:43,500 INFO L85 PathProgramCache]: Analyzing trace with hash 2045851043, now seen corresponding path program 1 times [2025-02-06 13:37:43,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:43,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121939816] [2025-02-06 13:37:43,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:43,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:43,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-06 13:37:43,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-06 13:37:43,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:43,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2025-02-06 13:37:43,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:43,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121939816] [2025-02-06 13:37:43,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121939816] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:43,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:37:43,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:37:43,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310309363] [2025-02-06 13:37:43,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:43,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:43,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:43,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:43,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:37:43,841 INFO L87 Difference]: Start difference. First operand 112 states and 181 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:43,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:43,860 INFO L93 Difference]: Finished difference Result 137 states and 213 transitions. [2025-02-06 13:37:43,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:43,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 145 [2025-02-06 13:37:43,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:43,861 INFO L225 Difference]: With dead ends: 137 [2025-02-06 13:37:43,862 INFO L226 Difference]: Without dead ends: 115 [2025-02-06 13:37:43,862 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 [2025-02-06 13:37:43,863 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:43,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 300 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:43,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-06 13:37:43,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2025-02-06 13:37:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 85 states have internal predecessors, (108), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2025-02-06 13:37:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 183 transitions. [2025-02-06 13:37:43,881 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 183 transitions. Word has length 145 [2025-02-06 13:37:43,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:43,881 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 183 transitions. [2025-02-06 13:37:43,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 183 transitions. [2025-02-06 13:37:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-02-06 13:37:43,884 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:43,884 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2025-02-06 13:37:43,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:37:43,884 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:43,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:43,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1535316866, now seen corresponding path program 1 times [2025-02-06 13:37:43,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:43,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732885865] [2025-02-06 13:37:43,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:43,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:43,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-06 13:37:44,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-06 13:37:44,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:44,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2025-02-06 13:37:44,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:44,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732885865] [2025-02-06 13:37:44,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732885865] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:44,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:37:44,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:37:44,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428250906] [2025-02-06 13:37:44,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:44,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:44,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:44,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:44,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:37:44,132 INFO L87 Difference]: Start difference. First operand 114 states and 183 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:44,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:44,152 INFO L93 Difference]: Finished difference Result 141 states and 217 transitions. [2025-02-06 13:37:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:44,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 145 [2025-02-06 13:37:44,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:44,154 INFO L225 Difference]: With dead ends: 141 [2025-02-06 13:37:44,154 INFO L226 Difference]: Without dead ends: 117 [2025-02-06 13:37:44,154 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 [2025-02-06 13:37:44,158 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:44,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 299 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:44,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-02-06 13:37:44,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2025-02-06 13:37:44,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 87 states have internal predecessors, (110), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2025-02-06 13:37:44,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 185 transitions. [2025-02-06 13:37:44,169 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 185 transitions. Word has length 145 [2025-02-06 13:37:44,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:44,169 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 185 transitions. [2025-02-06 13:37:44,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:44,169 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 185 transitions. [2025-02-06 13:37:44,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-02-06 13:37:44,170 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:44,170 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2025-02-06 13:37:44,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 13:37:44,171 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:44,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:44,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1029758241, now seen corresponding path program 1 times [2025-02-06 13:37:44,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:44,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978331397] [2025-02-06 13:37:44,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:44,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:44,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-06 13:37:44,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-06 13:37:44,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:44,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2025-02-06 13:37:44,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:44,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978331397] [2025-02-06 13:37:44,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978331397] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:44,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:37:44,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:37:44,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501998084] [2025-02-06 13:37:44,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:44,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:44,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:44,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:44,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:37:44,388 INFO L87 Difference]: Start difference. First operand 116 states and 185 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:44,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:44,411 INFO L93 Difference]: Finished difference Result 145 states and 221 transitions. [2025-02-06 13:37:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:44,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 145 [2025-02-06 13:37:44,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:44,413 INFO L225 Difference]: With dead ends: 145 [2025-02-06 13:37:44,413 INFO L226 Difference]: Without dead ends: 119 [2025-02-06 13:37:44,413 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 [2025-02-06 13:37:44,413 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:44,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 299 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:44,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-02-06 13:37:44,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2025-02-06 13:37:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 89 states have internal predecessors, (112), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2025-02-06 13:37:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 187 transitions. [2025-02-06 13:37:44,424 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 187 transitions. Word has length 145 [2025-02-06 13:37:44,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:44,424 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 187 transitions. [2025-02-06 13:37:44,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:44,428 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2025-02-06 13:37:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-02-06 13:37:44,429 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:44,429 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2025-02-06 13:37:44,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 13:37:44,429 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:44,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:44,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1158840960, now seen corresponding path program 1 times [2025-02-06 13:37:44,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:44,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238315461] [2025-02-06 13:37:44,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:44,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:44,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-06 13:37:44,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-06 13:37:44,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:44,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2025-02-06 13:37:44,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:44,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238315461] [2025-02-06 13:37:44,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238315461] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:44,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:37:44,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:37:44,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480731170] [2025-02-06 13:37:44,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:44,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:44,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:44,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:44,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:37:44,658 INFO L87 Difference]: Start difference. First operand 118 states and 187 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:44,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:44,673 INFO L93 Difference]: Finished difference Result 149 states and 225 transitions. [2025-02-06 13:37:44,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:44,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 145 [2025-02-06 13:37:44,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:44,675 INFO L225 Difference]: With dead ends: 149 [2025-02-06 13:37:44,675 INFO L226 Difference]: Without dead ends: 121 [2025-02-06 13:37:44,675 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 [2025-02-06 13:37:44,676 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:44,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 301 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:44,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-02-06 13:37:44,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2025-02-06 13:37:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 91 states have internal predecessors, (114), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2025-02-06 13:37:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 189 transitions. [2025-02-06 13:37:44,688 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 189 transitions. Word has length 145 [2025-02-06 13:37:44,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:44,688 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 189 transitions. [2025-02-06 13:37:44,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 189 transitions. [2025-02-06 13:37:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-02-06 13:37:44,690 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:44,691 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2025-02-06 13:37:44,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 13:37:44,691 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:44,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:44,691 INFO L85 PathProgramCache]: Analyzing trace with hash 962327455, now seen corresponding path program 1 times [2025-02-06 13:37:44,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:44,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163088595] [2025-02-06 13:37:44,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:44,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:44,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-06 13:37:44,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-06 13:37:44,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:44,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2025-02-06 13:37:45,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:45,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163088595] [2025-02-06 13:37:45,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163088595] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:45,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209435652] [2025-02-06 13:37:45,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:45,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:45,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:45,144 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) [2025-02-06 13:37:45,147 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 [2025-02-06 13:37:45,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-06 13:37:45,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-06 13:37:45,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:45,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:45,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:37:45,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2025-02-06 13:37:45,751 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:37:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2025-02-06 13:37:45,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209435652] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:37:45,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:37:45,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-02-06 13:37:45,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399778055] [2025-02-06 13:37:45,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:37:45,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 13:37:45,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:45,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 13:37:45,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:37:45,839 INFO L87 Difference]: Start difference. First operand 120 states and 189 transitions. Second operand has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:45,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:45,876 INFO L93 Difference]: Finished difference Result 159 states and 237 transitions. [2025-02-06 13:37:45,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:37:45,876 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 145 [2025-02-06 13:37:45,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:45,877 INFO L225 Difference]: With dead ends: 159 [2025-02-06 13:37:45,877 INFO L226 Difference]: Without dead ends: 129 [2025-02-06 13:37:45,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:37:45,878 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:45,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 494 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:45,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-02-06 13:37:45,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2025-02-06 13:37:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 94 states have (on average 1.3085106382978724) internal successors, (123), 100 states have internal predecessors, (123), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2025-02-06 13:37:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 198 transitions. [2025-02-06 13:37:45,884 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 198 transitions. Word has length 145 [2025-02-06 13:37:45,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:45,885 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 198 transitions. [2025-02-06 13:37:45,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 198 transitions. [2025-02-06 13:37:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-02-06 13:37:45,886 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:45,886 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 5, 5, 5, 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] [2025-02-06 13:37:45,899 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 [2025-02-06 13:37:46,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-06 13:37:46,087 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:46,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:46,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1217659274, now seen corresponding path program 2 times [2025-02-06 13:37:46,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:46,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221406310] [2025-02-06 13:37:46,088 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:37:46,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:46,152 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 154 statements into 2 equivalence classes. [2025-02-06 13:37:46,159 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 44 of 154 statements. [2025-02-06 13:37:46,159 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:37:46,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2025-02-06 13:37:46,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:46,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221406310] [2025-02-06 13:37:46,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221406310] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:46,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:37:46,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:37:46,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870645070] [2025-02-06 13:37:46,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:46,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:37:46,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:46,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:37:46,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:37:46,252 INFO L87 Difference]: Start difference. First operand 129 states and 198 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:46,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:46,270 INFO L93 Difference]: Finished difference Result 141 states and 211 transitions. [2025-02-06 13:37:46,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:37:46,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 154 [2025-02-06 13:37:46,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:46,272 INFO L225 Difference]: With dead ends: 141 [2025-02-06 13:37:46,272 INFO L226 Difference]: Without dead ends: 132 [2025-02-06 13:37:46,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:37:46,272 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:46,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 405 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:46,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-06 13:37:46,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2025-02-06 13:37:46,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 103 states have internal predecessors, (126), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2025-02-06 13:37:46,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 201 transitions. [2025-02-06 13:37:46,280 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 201 transitions. Word has length 154 [2025-02-06 13:37:46,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:46,280 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 201 transitions. [2025-02-06 13:37:46,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 201 transitions. [2025-02-06 13:37:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-02-06 13:37:46,281 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:46,282 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 5, 5, 5, 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] [2025-02-06 13:37:46,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 13:37:46,282 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:46,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:46,282 INFO L85 PathProgramCache]: Analyzing trace with hash 862936667, now seen corresponding path program 1 times [2025-02-06 13:37:46,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:46,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894483000] [2025-02-06 13:37:46,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:46,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-02-06 13:37:46,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-02-06 13:37:46,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:46,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2025-02-06 13:37:46,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:46,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894483000] [2025-02-06 13:37:46,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894483000] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:46,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173822651] [2025-02-06 13:37:46,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:46,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:46,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:46,791 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) [2025-02-06 13:37:46,797 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 [2025-02-06 13:37:47,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-02-06 13:37:47,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-02-06 13:37:47,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:47,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:47,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:37:47,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2025-02-06 13:37:47,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:37:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2025-02-06 13:37:47,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173822651] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:37:47,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:37:47,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 15 [2025-02-06 13:37:47,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357125097] [2025-02-06 13:37:47,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:37:47,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 13:37:47,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:47,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 13:37:47,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:37:47,657 INFO L87 Difference]: Start difference. First operand 132 states and 201 transitions. Second operand has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:47,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:47,696 INFO L93 Difference]: Finished difference Result 168 states and 244 transitions. [2025-02-06 13:37:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:37:47,697 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 154 [2025-02-06 13:37:47,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:47,698 INFO L225 Difference]: With dead ends: 168 [2025-02-06 13:37:47,698 INFO L226 Difference]: Without dead ends: 135 [2025-02-06 13:37:47,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 295 SyntacticMatches, 11 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:37:47,698 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:47,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 599 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:47,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-02-06 13:37:47,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2025-02-06 13:37:47,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 100 states have (on average 1.29) internal successors, (129), 106 states have internal predecessors, (129), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2025-02-06 13:37:47,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 204 transitions. [2025-02-06 13:37:47,704 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 204 transitions. Word has length 154 [2025-02-06 13:37:47,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:47,705 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 204 transitions. [2025-02-06 13:37:47,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 204 transitions. [2025-02-06 13:37:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-02-06 13:37:47,706 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:47,706 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 6, 6, 6, 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] [2025-02-06 13:37:47,717 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 [2025-02-06 13:37:47,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-06 13:37:47,907 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:47,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:47,912 INFO L85 PathProgramCache]: Analyzing trace with hash 149146820, now seen corresponding path program 2 times [2025-02-06 13:37:47,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:47,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369759749] [2025-02-06 13:37:47,912 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:37:47,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:48,042 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 157 statements into 2 equivalence classes. [2025-02-06 13:37:48,088 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 157 of 157 statements. [2025-02-06 13:37:48,088 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:37:48,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2025-02-06 13:37:48,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:48,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369759749] [2025-02-06 13:37:48,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369759749] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:48,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830240134] [2025-02-06 13:37:48,321 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:37:48,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:48,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:48,322 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) [2025-02-06 13:37:48,324 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 [2025-02-06 13:37:48,882 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 157 statements into 2 equivalence classes. [2025-02-06 13:37:49,285 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 157 of 157 statements. [2025-02-06 13:37:49,285 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:37:49,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:49,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:37:49,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2025-02-06 13:37:49,323 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:37:49,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830240134] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:49,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:37:49,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-02-06 13:37:49,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475945910] [2025-02-06 13:37:49,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:49,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:37:49,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:49,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:37:49,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:37:49,324 INFO L87 Difference]: Start difference. First operand 135 states and 204 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:49,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:49,346 INFO L93 Difference]: Finished difference Result 135 states and 204 transitions. [2025-02-06 13:37:49,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:49,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 157 [2025-02-06 13:37:49,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:49,348 INFO L225 Difference]: With dead ends: 135 [2025-02-06 13:37:49,348 INFO L226 Difference]: Without dead ends: 134 [2025-02-06 13:37:49,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:37:49,348 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:49,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 294 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-06 13:37:49,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-02-06 13:37:49,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 100 states have (on average 1.28) internal successors, (128), 105 states have internal predecessors, (128), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2025-02-06 13:37:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 203 transitions. [2025-02-06 13:37:49,354 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 203 transitions. Word has length 157 [2025-02-06 13:37:49,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:49,355 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 203 transitions. [2025-02-06 13:37:49,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2025-02-06 13:37:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-02-06 13:37:49,356 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:49,356 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 6, 6, 6, 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] [2025-02-06 13:37:49,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 13:37:49,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-06 13:37:49,560 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:37:49,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:49,561 INFO L85 PathProgramCache]: Analyzing trace with hash 328584098, now seen corresponding path program 1 times [2025-02-06 13:37:49,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:49,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975943869] [2025-02-06 13:37:49,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:49,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:49,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-06 13:37:49,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-06 13:37:49,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:49,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:49,803 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2025-02-06 13:37:49,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:49,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975943869] [2025-02-06 13:37:49,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975943869] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:49,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:37:49,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:37:49,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266128399] [2025-02-06 13:37:49,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:49,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:37:49,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:49,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:37:49,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:37:49,806 INFO L87 Difference]: Start difference. First operand 134 states and 203 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:49,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:49,815 INFO L93 Difference]: Finished difference Result 134 states and 203 transitions. [2025-02-06 13:37:49,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:37:49,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 158 [2025-02-06 13:37:49,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:49,816 INFO L225 Difference]: With dead ends: 134 [2025-02-06 13:37:49,816 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 13:37:49,816 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 [2025-02-06 13:37:49,816 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:49,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 202 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:49,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 13:37:49,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 13:37:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-02-06 13:37:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 13:37:49,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2025-02-06 13:37:49,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:49,817 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 13:37:49,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-02-06 13:37:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 13:37:49,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 13:37:49,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-02-06 13:37:49,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-02-06 13:37:49,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-02-06 13:37:49,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-02-06 13:37:49,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 13:37:49,823 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:37:49,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 13:37:49,879 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 13:37:49,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 01:37:49 BoogieIcfgContainer [2025-02-06 13:37:49,888 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 13:37:49,889 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 13:37:49,889 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 13:37:49,889 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 13:37:49,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:37:35" (3/4) ... [2025-02-06 13:37:49,891 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 13:37:49,895 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure append [2025-02-06 13:37:49,900 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-06 13:37:49,902 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 13:37:49,902 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 13:37:49,903 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 13:37:49,978 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 13:37:49,979 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 13:37:49,979 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 13:37:49,980 INFO L158 Benchmark]: Toolchain (without parser) took 15997.04ms. Allocated memory was 167.8MB in the beginning and 620.8MB in the end (delta: 453.0MB). Free memory was 130.0MB in the beginning and 289.5MB in the end (delta: -159.5MB). Peak memory consumption was 293.9MB. Max. memory is 16.1GB. [2025-02-06 13:37:49,980 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 218.1MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:37:49,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.93ms. Allocated memory is still 167.8MB. Free memory was 129.7MB in the beginning and 111.0MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 13:37:49,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.72ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 108.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:37:49,981 INFO L158 Benchmark]: Boogie Preprocessor took 42.00ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 104.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:37:49,982 INFO L158 Benchmark]: IcfgBuilder took 765.07ms. Allocated memory is still 167.8MB. Free memory was 104.3MB in the beginning and 75.6MB in the end (delta: 28.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 13:37:49,982 INFO L158 Benchmark]: TraceAbstraction took 14717.25ms. Allocated memory was 167.8MB in the beginning and 620.8MB in the end (delta: 453.0MB). Free memory was 75.0MB in the beginning and 301.9MB in the end (delta: -226.9MB). Peak memory consumption was 226.8MB. Max. memory is 16.1GB. [2025-02-06 13:37:49,982 INFO L158 Benchmark]: Witness Printer took 90.18ms. Allocated memory is still 620.8MB. Free memory was 297.7MB in the beginning and 289.5MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:37:49,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 218.1MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.93ms. Allocated memory is still 167.8MB. Free memory was 129.7MB in the beginning and 111.0MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.72ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 108.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.00ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 104.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 765.07ms. Allocated memory is still 167.8MB. Free memory was 104.3MB in the beginning and 75.6MB in the end (delta: 28.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 14717.25ms. Allocated memory was 167.8MB in the beginning and 620.8MB in the end (delta: 453.0MB). Free memory was 75.0MB in the beginning and 301.9MB in the end (delta: -226.9MB). Peak memory consumption was 226.8MB. Max. memory is 16.1GB. * Witness Printer took 90.18ms. Allocated memory is still 620.8MB. Free memory was 297.7MB in the beginning and 289.5MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 14.6s, OverallIterations: 14, TraceHistogramMax: 15, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 5100 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3676 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 821 IncrementalHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 1424 mSDtfsCounter, 821 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1326 GetRequests, 1231 SyntacticMatches, 11 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=12, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 14 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 2764 NumberOfCodeBlocks, 2654 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3165 ConstructedInterpolants, 0 QuantifiedInterpolants, 3692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 11162 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 11760/12251 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 619]: Location Invariant Derived location invariant: ((0 <= counter) && (counter <= 2147483646)) - InvariantResult [Line: 629]: Location Invariant Derived location invariant: (0 < (2147483649 + counter)) RESULT: Ultimate proved your program to be correct! [2025-02-06 13:37:50,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE