./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/tee-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/busybox-1.22.0/tee-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 51f4cf8ce110b92f68961d27b667e514c3fefcd9540eb44fa919855fdd25ad59 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:02:40,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:02:40,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 18:02:40,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:02:40,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:02:40,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:02:40,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:02:40,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:02:40,726 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:02:40,726 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:02:40,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 18:02:40,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 18:02:40,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:02:40,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:02:40,727 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:02:40,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:02:40,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 18:02:40,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:02:40,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:02:40,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 18:02:40,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 18:02:40,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 18:02:40,728 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 18:02:40,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:02:40,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:02:40,728 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:02:40,728 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:02:40,728 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:02:40,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 18:02:40,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 18:02:40,729 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51f4cf8ce110b92f68961d27b667e514c3fefcd9540eb44fa919855fdd25ad59 [2025-02-06 18:02:40,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:02:40,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:02:40,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:02:40,967 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:02:40,967 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:02:40,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tee-2.i [2025-02-06 18:02:42,140 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/78f6bd77c/9340101ce7f34f43bac5e1e4c5e6ece2/FLAG8b11ad286 [2025-02-06 18:02:42,572 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:02:42,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tee-2.i [2025-02-06 18:02:42,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/78f6bd77c/9340101ce7f34f43bac5e1e4c5e6ece2/FLAG8b11ad286 [2025-02-06 18:02:42,719 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/78f6bd77c/9340101ce7f34f43bac5e1e4c5e6ece2 [2025-02-06 18:02:42,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:02:42,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:02:42,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:02:42,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:02:42,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:02:42,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:02:42" (1/1) ... [2025-02-06 18:02:42,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412363d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:42, skipping insertion in model container [2025-02-06 18:02:42,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:02:42" (1/1) ... [2025-02-06 18:02:42,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:02:43,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:02:43,728 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:02:43,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:02:44,145 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-02-06 18:02:44,152 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:02:44,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44 WrapperNode [2025-02-06 18:02:44,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:02:44,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:02:44,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:02:44,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:02:44,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,628 INFO L138 Inliner]: procedures = 575, calls = 8940, calls flagged for inlining = 28, calls inlined = 26, statements flattened = 10175 [2025-02-06 18:02:44,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:02:44,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:02:44,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:02:44,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:02:44,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,700 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,708 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-06 18:02:44,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:02:44,952 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:02:44,952 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:02:44,952 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:02:44,953 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (1/1) ... [2025-02-06 18:02:44,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:02:44,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:02:44,979 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 18:02:44,983 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 18:02:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 18:02:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2025-02-06 18:02:45,000 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2025-02-06 18:02:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-02-06 18:02:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-02-06 18:02:45,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-02-06 18:02:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-06 18:02:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 18:02:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 18:02:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 18:02:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 18:02:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:02:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:02:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-02-06 18:02:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-02-06 18:02:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-02-06 18:02:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-02-06 18:02:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-02-06 18:02:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-06 18:02:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-02-06 18:02:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-02-06 18:02:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 18:02:45,003 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 18:02:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 18:02:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 18:02:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 18:02:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 18:02:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-02-06 18:02:45,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-02-06 18:02:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 18:02:45,371 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:02:45,373 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:03:04,556 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2420: call ULTIMATE.dealloc(getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset);havoc getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset; [2025-02-06 18:03:04,557 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3107: havoc getopt_long_#t~ret267#1; [2025-02-06 18:03:04,704 INFO L? ?]: Removed 607 outVars from TransFormulas that were not future-live. [2025-02-06 18:03:04,705 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:03:04,743 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:03:04,746 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 18:03:04,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:03:04 BoogieIcfgContainer [2025-02-06 18:03:04,747 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:03:04,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 18:03:04,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 18:03:04,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 18:03:04,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:02:42" (1/3) ... [2025-02-06 18:03:04,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452fc385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:03:04, skipping insertion in model container [2025-02-06 18:03:04,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:02:44" (2/3) ... [2025-02-06 18:03:04,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452fc385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:03:04, skipping insertion in model container [2025-02-06 18:03:04,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:03:04" (3/3) ... [2025-02-06 18:03:04,757 INFO L128 eAbstractionObserver]: Analyzing ICFG tee-2.i [2025-02-06 18:03:04,770 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 18:03:04,773 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG tee-2.i that has 8 procedures, 523 locations, 1 initial locations, 36 loop locations, and 67 error locations. [2025-02-06 18:03:04,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 18:03:04,841 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;@27aa3e55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 18:03:04,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2025-02-06 18:03:04,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 523 states, 425 states have (on average 1.6564705882352941) internal successors, (704), 494 states have internal predecessors, (704), 23 states have call successors, (23), 7 states have call predecessors, (23), 7 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 18:03:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-06 18:03:04,851 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:03:04,851 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-06 18:03:04,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 64 more)] === [2025-02-06 18:03:04,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:03:04,858 INFO L85 PathProgramCache]: Analyzing trace with hash 27212031, now seen corresponding path program 1 times [2025-02-06 18:03:04,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:03:04,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212205636] [2025-02-06 18:03:04,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:04,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:03:07,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:03:08,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:03:08,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:03:08,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:03:10,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:03:10,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212205636] [2025-02-06 18:03:10,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212205636] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:03:10,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:03:10,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:03:10,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037206148] [2025-02-06 18:03:10,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:03:10,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:03:10,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:03:10,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:03:10,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:03:10,315 INFO L87 Difference]: Start difference. First operand has 523 states, 425 states have (on average 1.6564705882352941) internal successors, (704), 494 states have internal predecessors, (704), 23 states have call successors, (23), 7 states have call predecessors, (23), 7 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 18:03:10,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:03:10,509 INFO L93 Difference]: Finished difference Result 905 states and 1320 transitions. [2025-02-06 18:03:10,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:03:10,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-06 18:03:10,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:03:10,520 INFO L225 Difference]: With dead ends: 905 [2025-02-06 18:03:10,520 INFO L226 Difference]: Without dead ends: 384 [2025-02-06 18:03:10,524 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 18:03:10,527 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 1 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:03:10,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1010 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:03:10,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2025-02-06 18:03:10,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2025-02-06 18:03:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 320 states have (on average 1.58125) internal successors, (506), 366 states have internal predecessors, (506), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 18:03:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 531 transitions. [2025-02-06 18:03:10,574 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 531 transitions. Word has length 4 [2025-02-06 18:03:10,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:03:10,574 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 531 transitions. [2025-02-06 18:03:10,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 18:03:10,575 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 531 transitions. [2025-02-06 18:03:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 18:03:10,575 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:03:10,575 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-02-06 18:03:10,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 18:03:10,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 64 more)] === [2025-02-06 18:03:10,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:03:10,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1074391023, now seen corresponding path program 1 times [2025-02-06 18:03:10,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:03:10,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13589246] [2025-02-06 18:03:10,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:10,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:03:14,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:03:14,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:03:14,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:03:14,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:03:15,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:03:15,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13589246] [2025-02-06 18:03:15,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13589246] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:03:15,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853433020] [2025-02-06 18:03:15,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:15,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:03:15,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:03:15,759 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 18:03:15,761 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 18:03:19,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:03:22,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:03:22,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:03:22,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:22,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 17849 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:03:22,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:03:22,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:03:22,581 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:03:22,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853433020] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:03:22,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:03:22,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 18:03:22,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513365428] [2025-02-06 18:03:22,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:03:22,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:03:22,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:03:22,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:03:22,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:03:22,583 INFO L87 Difference]: Start difference. First operand 384 states and 531 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:03:22,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:03:22,694 INFO L93 Difference]: Finished difference Result 384 states and 531 transitions. [2025-02-06 18:03:22,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:03:22,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-06 18:03:22,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:03:22,697 INFO L225 Difference]: With dead ends: 384 [2025-02-06 18:03:22,697 INFO L226 Difference]: Without dead ends: 383 [2025-02-06 18:03:22,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:03:22,698 INFO L435 NwaCegarLoop]: 501 mSDtfsCounter, 1 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:03:22,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1001 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:03:22,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-02-06 18:03:22,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2025-02-06 18:03:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 320 states have (on average 1.578125) internal successors, (505), 365 states have internal predecessors, (505), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 18:03:22,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 530 transitions. [2025-02-06 18:03:22,714 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 530 transitions. Word has length 7 [2025-02-06 18:03:22,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:03:22,714 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 530 transitions. [2025-02-06 18:03:22,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:03:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 530 transitions. [2025-02-06 18:03:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 18:03:22,715 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:03:22,715 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-02-06 18:03:22,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 18:03:22,919 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 18:03:22,920 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 64 more)] === [2025-02-06 18:03:22,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:03:22,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1053617473, now seen corresponding path program 1 times [2025-02-06 18:03:22,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:03:22,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728055533] [2025-02-06 18:03:22,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:22,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:03:26,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:03:26,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:03:26,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:03:26,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:27,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:03:27,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:03:27,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728055533] [2025-02-06 18:03:27,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728055533] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:03:27,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:03:27,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:03:27,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002065694] [2025-02-06 18:03:27,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:03:27,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:03:27,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:03:27,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:03:27,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:03:27,497 INFO L87 Difference]: Start difference. First operand 383 states and 530 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:03:27,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:03:27,576 INFO L93 Difference]: Finished difference Result 383 states and 530 transitions. [2025-02-06 18:03:27,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:03:27,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-06 18:03:27,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:03:27,578 INFO L225 Difference]: With dead ends: 383 [2025-02-06 18:03:27,579 INFO L226 Difference]: Without dead ends: 382 [2025-02-06 18:03:27,579 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 18:03:27,579 INFO L435 NwaCegarLoop]: 502 mSDtfsCounter, 0 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:03:27,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1002 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:03:27,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-02-06 18:03:27,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 380. [2025-02-06 18:03:27,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 318 states have (on average 1.578616352201258) internal successors, (502), 362 states have internal predecessors, (502), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 18:03:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 527 transitions. [2025-02-06 18:03:27,603 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 527 transitions. Word has length 8 [2025-02-06 18:03:27,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:03:27,603 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 527 transitions. [2025-02-06 18:03:27,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:03:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 527 transitions. [2025-02-06 18:03:27,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 18:03:27,604 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:03:27,604 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:03:27,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 18:03:27,604 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 64 more)] === [2025-02-06 18:03:27,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:03:27,609 INFO L85 PathProgramCache]: Analyzing trace with hash 650851533, now seen corresponding path program 1 times [2025-02-06 18:03:27,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:03:27,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674563086] [2025-02-06 18:03:27,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:27,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:03:30,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 18:03:30,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 18:03:30,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:03:30,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:03:31,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:03:31,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674563086] [2025-02-06 18:03:31,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674563086] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:03:31,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824314627] [2025-02-06 18:03:31,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:31,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:03:31,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:03:31,263 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 18:03:31,264 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 18:03:34,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 18:03:35,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 18:03:35,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:03:35,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:35,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 17866 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:03:36,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:03:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:03:36,017 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:03:36,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824314627] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:03:36,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:03:36,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-06 18:03:36,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215824372] [2025-02-06 18:03:36,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:03:36,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:03:36,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:03:36,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:03:36,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:03:36,018 INFO L87 Difference]: Start difference. First operand 380 states and 527 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:03:36,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:03:36,080 INFO L93 Difference]: Finished difference Result 380 states and 527 transitions. [2025-02-06 18:03:36,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:03:36,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-02-06 18:03:36,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:03:36,082 INFO L225 Difference]: With dead ends: 380 [2025-02-06 18:03:36,082 INFO L226 Difference]: Without dead ends: 378 [2025-02-06 18:03:36,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:03:36,082 INFO L435 NwaCegarLoop]: 495 mSDtfsCounter, 460 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:03:36,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 547 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:03:36,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-02-06 18:03:36,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2025-02-06 18:03:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 318 states have (on average 1.5723270440251573) internal successors, (500), 360 states have internal predecessors, (500), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 18:03:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 525 transitions. [2025-02-06 18:03:36,091 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 525 transitions. Word has length 12 [2025-02-06 18:03:36,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:03:36,092 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 525 transitions. [2025-02-06 18:03:36,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:03:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 525 transitions. [2025-02-06 18:03:36,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-06 18:03:36,093 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:03:36,093 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:03:36,134 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 18:03:36,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:03:36,297 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 64 more)] === [2025-02-06 18:03:36,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:03:36,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1298438145, now seen corresponding path program 1 times [2025-02-06 18:03:36,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:03:36,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669082900] [2025-02-06 18:03:36,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:36,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:03:38,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 18:03:38,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 18:03:38,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:03:38,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:03:39,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:03:39,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669082900] [2025-02-06 18:03:39,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669082900] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:03:39,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326351995] [2025-02-06 18:03:39,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:39,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:03:39,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:03:39,712 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 18:03:39,713 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 18:03:42,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 18:03:44,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 18:03:44,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:03:44,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:44,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 17867 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:03:44,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:03:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:03:44,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:03:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:03:44,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326351995] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:03:44,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:03:44,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 18:03:44,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825760584] [2025-02-06 18:03:44,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:03:44,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:03:44,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:03:44,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:03:44,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:03:44,702 INFO L87 Difference]: Start difference. First operand 378 states and 525 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:03:44,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:03:44,913 INFO L93 Difference]: Finished difference Result 759 states and 1055 transitions. [2025-02-06 18:03:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:03:44,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2025-02-06 18:03:44,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:03:44,915 INFO L225 Difference]: With dead ends: 759 [2025-02-06 18:03:44,916 INFO L226 Difference]: Without dead ends: 387 [2025-02-06 18:03:44,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:03:44,917 INFO L435 NwaCegarLoop]: 500 mSDtfsCounter, 4 mSDsluCounter, 1992 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2492 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:03:44,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2492 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:03:44,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2025-02-06 18:03:44,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2025-02-06 18:03:44,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 327 states have (on average 1.5565749235474007) internal successors, (509), 369 states have internal predecessors, (509), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 18:03:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 534 transitions. [2025-02-06 18:03:44,925 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 534 transitions. Word has length 13 [2025-02-06 18:03:44,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:03:44,925 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 534 transitions. [2025-02-06 18:03:44,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:03:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 534 transitions. [2025-02-06 18:03:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-06 18:03:44,926 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:03:44,926 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:03:44,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 18:03:45,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:03:45,130 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 64 more)] === [2025-02-06 18:03:45,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:03:45,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1470034963, now seen corresponding path program 2 times [2025-02-06 18:03:45,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:03:45,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008034955] [2025-02-06 18:03:45,131 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:03:45,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:03:48,963 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-02-06 18:03:49,289 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 22 statements. [2025-02-06 18:03:49,290 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:03:49,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:03:51,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:03:51,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008034955] [2025-02-06 18:03:51,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008034955] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:03:51,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:03:51,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:03:51,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485703944] [2025-02-06 18:03:51,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:03:51,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 18:03:51,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:03:51,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 18:03:51,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:03:51,222 INFO L87 Difference]: Start difference. First operand 387 states and 534 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:03:51,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:03:51,413 INFO L93 Difference]: Finished difference Result 387 states and 534 transitions. [2025-02-06 18:03:51,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:03:51,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2025-02-06 18:03:51,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:03:51,416 INFO L225 Difference]: With dead ends: 387 [2025-02-06 18:03:51,416 INFO L226 Difference]: Without dead ends: 385 [2025-02-06 18:03:51,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 18:03:51,417 INFO L435 NwaCegarLoop]: 492 mSDtfsCounter, 459 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:03:51,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 1520 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:03:51,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2025-02-06 18:03:51,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2025-02-06 18:03:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 327 states have (on average 1.5504587155963303) internal successors, (507), 367 states have internal predecessors, (507), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 18:03:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 532 transitions. [2025-02-06 18:03:51,427 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 532 transitions. Word has length 22 [2025-02-06 18:03:51,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:03:51,428 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 532 transitions. [2025-02-06 18:03:51,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:03:51,429 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 532 transitions. [2025-02-06 18:03:51,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 18:03:51,429 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:03:51,429 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:03:51,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 18:03:51,429 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 64 more)] === [2025-02-06 18:03:51,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:03:51,430 INFO L85 PathProgramCache]: Analyzing trace with hash -200522662, now seen corresponding path program 1 times [2025-02-06 18:03:51,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:03:51,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360156877] [2025-02-06 18:03:51,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:51,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:03:55,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 18:03:55,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 18:03:55,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:03:55,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:03:56,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:03:56,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360156877] [2025-02-06 18:03:56,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360156877] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:03:56,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:03:56,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:03:56,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641576908] [2025-02-06 18:03:56,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:03:56,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:03:56,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:03:56,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:03:56,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:03:56,156 INFO L87 Difference]: Start difference. First operand 385 states and 532 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:03:56,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:03:56,239 INFO L93 Difference]: Finished difference Result 753 states and 1048 transitions. [2025-02-06 18:03:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:03:56,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2025-02-06 18:03:56,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:03:56,241 INFO L225 Difference]: With dead ends: 753 [2025-02-06 18:03:56,242 INFO L226 Difference]: Without dead ends: 388 [2025-02-06 18:03:56,243 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 18:03:56,243 INFO L435 NwaCegarLoop]: 498 mSDtfsCounter, 1 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:03:56,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 991 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:03:56,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-02-06 18:03:56,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2025-02-06 18:03:56,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 330 states have (on average 1.5454545454545454) internal successors, (510), 370 states have internal predecessors, (510), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 18:03:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 535 transitions. [2025-02-06 18:03:56,254 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 535 transitions. Word has length 27 [2025-02-06 18:03:56,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:03:56,255 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 535 transitions. [2025-02-06 18:03:56,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:03:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 535 transitions. [2025-02-06 18:03:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 18:03:56,255 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:03:56,255 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:03:56,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 18:03:56,256 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 64 more)] === [2025-02-06 18:03:56,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:03:56,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1921574041, now seen corresponding path program 1 times [2025-02-06 18:03:56,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:03:56,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264605735] [2025-02-06 18:03:56,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:56,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:03:58,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 18:03:58,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 18:03:58,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:03:58,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:03:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:03:59,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:03:59,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264605735] [2025-02-06 18:03:59,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264605735] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:03:59,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:03:59,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:03:59,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897809745] [2025-02-06 18:03:59,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:03:59,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:03:59,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:03:59,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:03:59,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:03:59,474 INFO L87 Difference]: Start difference. First operand 388 states and 535 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:03:59,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:03:59,571 INFO L93 Difference]: Finished difference Result 684 states and 970 transitions. [2025-02-06 18:03:59,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:03:59,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-02-06 18:03:59,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:03:59,573 INFO L225 Difference]: With dead ends: 684 [2025-02-06 18:03:59,574 INFO L226 Difference]: Without dead ends: 682 [2025-02-06 18:03:59,574 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 18:03:59,574 INFO L435 NwaCegarLoop]: 493 mSDtfsCounter, 411 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:03:59,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 978 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:03:59,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2025-02-06 18:03:59,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 392. [2025-02-06 18:03:59,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 334 states have (on average 1.5419161676646707) internal successors, (515), 374 states have internal predecessors, (515), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 18:03:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 540 transitions. [2025-02-06 18:03:59,585 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 540 transitions. Word has length 28 [2025-02-06 18:03:59,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:03:59,585 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 540 transitions. [2025-02-06 18:03:59,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:03:59,585 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 540 transitions. [2025-02-06 18:03:59,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 18:03:59,585 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:03:59,585 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:03:59,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 18:03:59,586 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 64 more)] === [2025-02-06 18:03:59,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:03:59,586 INFO L85 PathProgramCache]: Analyzing trace with hash 529681606, now seen corresponding path program 1 times [2025-02-06 18:03:59,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:03:59,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590945712] [2025-02-06 18:03:59,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:03:59,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:02,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 18:04:02,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 18:04:02,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:02,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:04:03,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:03,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590945712] [2025-02-06 18:04:03,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590945712] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:04:03,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109410310] [2025-02-06 18:04:03,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:03,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:03,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:04:03,062 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 18:04:03,063 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 18:04:07,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 18:04:09,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 18:04:09,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:09,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:09,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 18052 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 18:04:09,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:04:10,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:04:10,152 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:04:10,282 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:04:10,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109410310] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:04:10,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:04:10,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2025-02-06 18:04:10,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207706535] [2025-02-06 18:04:10,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:04:10,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 18:04:10,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:10,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 18:04:10,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-06 18:04:10,285 INFO L87 Difference]: Start difference. First operand 392 states and 540 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 18:04:10,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:10,556 INFO L93 Difference]: Finished difference Result 786 states and 1088 transitions. [2025-02-06 18:04:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 18:04:10,557 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2025-02-06 18:04:10,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:10,559 INFO L225 Difference]: With dead ends: 786 [2025-02-06 18:04:10,559 INFO L226 Difference]: Without dead ends: 409 [2025-02-06 18:04:10,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-06 18:04:10,560 INFO L435 NwaCegarLoop]: 492 mSDtfsCounter, 5 mSDsluCounter, 1960 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:10,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2452 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:04:10,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-02-06 18:04:10,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2025-02-06 18:04:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 352 states have (on average 1.5113636363636365) internal successors, (532), 391 states have internal predecessors, (532), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 18:04:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 557 transitions. [2025-02-06 18:04:10,572 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 557 transitions. Word has length 30 [2025-02-06 18:04:10,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:10,573 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 557 transitions. [2025-02-06 18:04:10,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 18:04:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 557 transitions. [2025-02-06 18:04:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 18:04:10,574 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:10,574 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:10,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 18:04:10,775 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,SelfDestructingSolverStorable8 [2025-02-06 18:04:10,776 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 64 more)] === [2025-02-06 18:04:10,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:10,776 INFO L85 PathProgramCache]: Analyzing trace with hash -275466138, now seen corresponding path program 1 times [2025-02-06 18:04:10,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:10,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752944514] [2025-02-06 18:04:10,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:10,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:14,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 18:04:14,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 18:04:14,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:14,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat