./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/head-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/head-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 215d23787da0121fe1d31fb918e95ec539d610f21ad7af0cf3de67b0df205419 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 17:59:29,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 17:59:29,552 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 17:59:29,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 17:59:29,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 17:59:29,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 17:59:29,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 17:59:29,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 17:59:29,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 17:59:29,581 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 17:59:29,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 17:59:29,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 17:59:29,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 17:59:29,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 17:59:29,582 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 17:59:29,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 17:59:29,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 17:59:29,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 17:59:29,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 17:59:29,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 17:59:29,583 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 17:59:29,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 17:59:29,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 17:59:29,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 17:59:29,584 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 17:59:29,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 17:59:29,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 17:59:29,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 17:59:29,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 17:59:29,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 17:59:29,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 17:59:29,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 17:59:29,585 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 -> 215d23787da0121fe1d31fb918e95ec539d610f21ad7af0cf3de67b0df205419 [2025-02-06 17:59:29,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 17:59:29,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 17:59:29,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 17:59:29,837 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 17:59:29,837 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 17:59:29,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/head-2.i [2025-02-06 17:59:30,960 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4290d8613/5afcd67f105a477f923d696d2ab29cfe/FLAG0fad068fc [2025-02-06 17:59:31,376 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 17:59:31,378 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/head-2.i [2025-02-06 17:59:31,401 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4290d8613/5afcd67f105a477f923d696d2ab29cfe/FLAG0fad068fc [2025-02-06 17:59:31,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4290d8613/5afcd67f105a477f923d696d2ab29cfe [2025-02-06 17:59:31,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 17:59:31,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 17:59:31,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 17:59:31,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 17:59:31,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 17:59:31,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:59:31" (1/1) ... [2025-02-06 17:59:31,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373f1443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:31, skipping insertion in model container [2025-02-06 17:59:31,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:59:31" (1/1) ... [2025-02-06 17:59:31,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 17:59:32,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 17:59:32,374 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 17:59:32,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 17:59:32,581 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-02-06 17:59:32,586 INFO L204 MainTranslator]: Completed translation [2025-02-06 17:59:32,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32 WrapperNode [2025-02-06 17:59:32,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 17:59:32,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 17:59:32,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 17:59:32,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 17:59:32,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,681 INFO L138 Inliner]: procedures = 581, calls = 697, calls flagged for inlining = 30, calls inlined = 28, statements flattened = 1389 [2025-02-06 17:59:32,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 17:59:32,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 17:59:32,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 17:59:32,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 17:59:32,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,695 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,744 INFO L175 MemorySlicer]: Split 566 memory accesses to 19 slices as follows [2, 47, 3, 1, 18, 2, 3, 15, 32, 9, 7, 2, 24, 20, 10, 355, 4, 9, 3]. 63 percent of accesses are in the largest equivalence class. The 379 initializations are split as follows [2, 2, 3, 0, 0, 2, 0, 0, 2, 1, 0, 0, 0, 4, 7, 355, 1, 0, 0]. The 120 writes are split as follows [0, 35, 0, 1, 4, 0, 3, 1, 21, 4, 7, 1, 21, 15, 0, 0, 1, 6, 0]. [2025-02-06 17:59:32,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,798 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 17:59:32,850 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 17:59:32,851 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 17:59:32,851 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 17:59:32,852 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (1/1) ... [2025-02-06 17:59:32,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 17:59:32,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 17:59:32,879 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 17:59:32,881 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 17:59:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2025-02-06 17:59:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2025-02-06 17:59:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2025-02-06 17:59:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2025-02-06 17:59:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2025-02-06 17:59:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2025-02-06 17:59:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2025-02-06 17:59:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2025-02-06 17:59:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2025-02-06 17:59:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2025-02-06 17:59:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2025-02-06 17:59:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2025-02-06 17:59:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2025-02-06 17:59:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2025-02-06 17:59:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2025-02-06 17:59:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2025-02-06 17:59:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2025-02-06 17:59:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2025-02-06 17:59:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2025-02-06 17:59:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2025-02-06 17:59:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2025-02-06 17:59:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2025-02-06 17:59:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2025-02-06 17:59:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2025-02-06 17:59:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2025-02-06 17:59:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2025-02-06 17:59:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2025-02-06 17:59:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2025-02-06 17:59:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _IO_getc [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2025-02-06 17:59:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-02-06 17:59:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-02-06 17:59:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-06 17:59:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 17:59:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 17:59:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 17:59:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 17:59:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 17:59:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2025-02-06 17:59:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2025-02-06 17:59:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2025-02-06 17:59:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2025-02-06 17:59:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2025-02-06 17:59:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2025-02-06 17:59:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2025-02-06 17:59:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2025-02-06 17:59:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-02-06 17:59:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-06 17:59:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2025-02-06 17:59:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 17:59:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-02-06 17:59:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc_fgets [2025-02-06 17:59:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc_fgets [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-02-06 17:59:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-02-06 17:59:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-02-06 17:59:33,318 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 17:59:33,321 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 17:59:33,519 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2863: havoc #t~nondet150; [2025-02-06 17:59:33,867 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2773: call ULTIMATE.dealloc(~#i~0#1.base, ~#i~0#1.offset);havoc ~#i~0#1.base, ~#i~0#1.offset; [2025-02-06 17:59:38,598 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2420: havoc fclose_if_not_stdin_#t~bitwise80#1; [2025-02-06 17:59:38,598 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2492: call ULTIMATE.dealloc(__main_~#negative_N~0#1.base, __main_~#negative_N~0#1.offset);havoc __main_~#negative_N~0#1.base, __main_~#negative_N~0#1.offset; [2025-02-06 17:59:38,940 INFO L? ?]: Removed 574 outVars from TransFormulas that were not future-live. [2025-02-06 17:59:38,940 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 17:59:38,974 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 17:59:38,977 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 17:59:38,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:59:38 BoogieIcfgContainer [2025-02-06 17:59:38,978 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 17:59:38,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 17:59:38,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 17:59:38,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 17:59:38,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:59:31" (1/3) ... [2025-02-06 17:59:38,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50045c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:59:38, skipping insertion in model container [2025-02-06 17:59:38,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:59:32" (2/3) ... [2025-02-06 17:59:38,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50045c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:59:38, skipping insertion in model container [2025-02-06 17:59:38,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:59:38" (3/3) ... [2025-02-06 17:59:38,989 INFO L128 eAbstractionObserver]: Analyzing ICFG head-2.i [2025-02-06 17:59:39,002 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 17:59:39,007 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG head-2.i that has 48 procedures, 522 locations, 1 initial locations, 41 loop locations, and 46 error locations. [2025-02-06 17:59:39,071 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 17:59:39,081 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;@3473748d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 17:59:39,081 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2025-02-06 17:59:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 381 states, 293 states have (on average 1.5802047781569966) internal successors, (463), 343 states have internal predecessors, (463), 29 states have call successors, (29), 12 states have call predecessors, (29), 12 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-06 17:59:39,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-06 17:59:39,088 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:39,089 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-06 17:59:39,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:39,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:39,094 INFO L85 PathProgramCache]: Analyzing trace with hash 25211071, now seen corresponding path program 1 times [2025-02-06 17:59:39,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:39,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63819702] [2025-02-06 17:59:39,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:39,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:39,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 17:59:39,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 17:59:39,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:39,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:40,287 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 17:59:40,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:40,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63819702] [2025-02-06 17:59:40,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63819702] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:40,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:59:40,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 17:59:40,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617070132] [2025-02-06 17:59:40,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:40,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 17:59:40,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:40,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 17:59:40,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 17:59:40,315 INFO L87 Difference]: Start difference. First operand has 381 states, 293 states have (on average 1.5802047781569966) internal successors, (463), 343 states have internal predecessors, (463), 29 states have call successors, (29), 12 states have call predecessors, (29), 12 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) 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 17:59:40,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:40,436 INFO L93 Difference]: Finished difference Result 649 states and 918 transitions. [2025-02-06 17:59:40,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 17:59:40,439 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 17:59:40,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:40,447 INFO L225 Difference]: With dead ends: 649 [2025-02-06 17:59:40,447 INFO L226 Difference]: Without dead ends: 272 [2025-02-06 17:59:40,453 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 17:59:40,455 INFO L435 NwaCegarLoop]: 353 mSDtfsCounter, 1 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:40,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 702 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 17:59:40,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2025-02-06 17:59:40,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2025-02-06 17:59:40,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 219 states have (on average 1.45662100456621) internal successors, (319), 245 states have internal predecessors, (319), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 17:59:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 359 transitions. [2025-02-06 17:59:40,509 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 359 transitions. Word has length 4 [2025-02-06 17:59:40,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:40,509 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 359 transitions. [2025-02-06 17:59:40,509 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 17:59:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 359 transitions. [2025-02-06 17:59:40,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 17:59:40,510 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:40,510 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-02-06 17:59:40,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 17:59:40,510 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:40,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:40,510 INFO L85 PathProgramCache]: Analyzing trace with hash -555512784, now seen corresponding path program 1 times [2025-02-06 17:59:40,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:40,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849353636] [2025-02-06 17:59:40,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:40,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:40,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 17:59:41,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 17:59:41,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:41,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:41,298 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 17:59:41,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:41,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849353636] [2025-02-06 17:59:41,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849353636] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 17:59:41,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373409551] [2025-02-06 17:59:41,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:41,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 17:59:41,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 17:59:41,301 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 17:59:41,303 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 17:59:41,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 17:59:42,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 17:59:42,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:42,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:42,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 1664 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 17:59:42,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 17:59:42,237 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 17:59:42,237 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 17:59:42,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373409551] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:42,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 17:59:42,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 17:59:42,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164819042] [2025-02-06 17:59:42,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:42,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 17:59:42,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:42,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 17:59:42,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 17:59:42,239 INFO L87 Difference]: Start difference. First operand 272 states and 359 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 17:59:42,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:42,346 INFO L93 Difference]: Finished difference Result 272 states and 359 transitions. [2025-02-06 17:59:42,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 17:59:42,348 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 17:59:42,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:42,349 INFO L225 Difference]: With dead ends: 272 [2025-02-06 17:59:42,349 INFO L226 Difference]: Without dead ends: 271 [2025-02-06 17:59:42,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 17:59:42,350 INFO L435 NwaCegarLoop]: 349 mSDtfsCounter, 1 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:42,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1045 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 17:59:42,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2025-02-06 17:59:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2025-02-06 17:59:42,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 219 states have (on average 1.452054794520548) internal successors, (318), 244 states have internal predecessors, (318), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 17:59:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 358 transitions. [2025-02-06 17:59:42,372 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 358 transitions. Word has length 7 [2025-02-06 17:59:42,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:42,372 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 358 transitions. [2025-02-06 17:59:42,372 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 17:59:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 358 transitions. [2025-02-06 17:59:42,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 17:59:42,374 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:42,374 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-02-06 17:59:42,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 17:59:42,574 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 17:59:42,575 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:42,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:42,575 INFO L85 PathProgramCache]: Analyzing trace with hash -41026367, now seen corresponding path program 1 times [2025-02-06 17:59:42,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:42,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446894872] [2025-02-06 17:59:42,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:42,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:43,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 17:59:43,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 17:59:43,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:43,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:43,259 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 17:59:43,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:43,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446894872] [2025-02-06 17:59:43,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446894872] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:43,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:59:43,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 17:59:43,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549120411] [2025-02-06 17:59:43,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:43,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 17:59:43,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:43,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 17:59:43,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 17:59:43,260 INFO L87 Difference]: Start difference. First operand 271 states and 358 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 17:59:43,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:43,298 INFO L93 Difference]: Finished difference Result 271 states and 358 transitions. [2025-02-06 17:59:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 17:59:43,299 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 17:59:43,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:43,300 INFO L225 Difference]: With dead ends: 271 [2025-02-06 17:59:43,300 INFO L226 Difference]: Without dead ends: 270 [2025-02-06 17:59:43,300 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 17:59:43,301 INFO L435 NwaCegarLoop]: 350 mSDtfsCounter, 0 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:43,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 698 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 17:59:43,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-02-06 17:59:43,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 268. [2025-02-06 17:59:43,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 217 states have (on average 1.4516129032258065) internal successors, (315), 241 states have internal predecessors, (315), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 17:59:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 355 transitions. [2025-02-06 17:59:43,310 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 355 transitions. Word has length 8 [2025-02-06 17:59:43,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:43,310 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 355 transitions. [2025-02-06 17:59:43,310 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 17:59:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 355 transitions. [2025-02-06 17:59:43,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 17:59:43,310 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:43,311 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:59:43,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 17:59:43,311 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:43,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:43,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1844061149, now seen corresponding path program 1 times [2025-02-06 17:59:43,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:43,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813467444] [2025-02-06 17:59:43,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:43,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:43,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 17:59:43,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 17:59:43,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:43,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:43,992 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 17:59:43,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:43,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813467444] [2025-02-06 17:59:43,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813467444] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 17:59:43,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076016636] [2025-02-06 17:59:43,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:43,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 17:59:43,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 17:59:43,994 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 17:59:43,995 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 17:59:44,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 17:59:44,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 17:59:44,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:44,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:44,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 1681 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 17:59:44,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 17:59:44,871 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 17:59:44,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 17:59:44,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076016636] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:44,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 17:59:44,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-06 17:59:44,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942199077] [2025-02-06 17:59:44,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:44,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 17:59:44,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:44,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 17:59:44,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 17:59:44,872 INFO L87 Difference]: Start difference. First operand 268 states and 355 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 17:59:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:44,937 INFO L93 Difference]: Finished difference Result 268 states and 355 transitions. [2025-02-06 17:59:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 17:59:44,939 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 17:59:44,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:44,941 INFO L225 Difference]: With dead ends: 268 [2025-02-06 17:59:44,941 INFO L226 Difference]: Without dead ends: 266 [2025-02-06 17:59:44,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 17:59:44,941 INFO L435 NwaCegarLoop]: 343 mSDtfsCounter, 206 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:44,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 474 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 17:59:44,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2025-02-06 17:59:44,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2025-02-06 17:59:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 217 states have (on average 1.4423963133640554) internal successors, (313), 239 states have internal predecessors, (313), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 17:59:44,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 353 transitions. [2025-02-06 17:59:44,958 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 353 transitions. Word has length 12 [2025-02-06 17:59:44,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:44,959 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 353 transitions. [2025-02-06 17:59:44,959 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 17:59:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 353 transitions. [2025-02-06 17:59:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-06 17:59:44,959 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:44,960 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:59:44,970 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 17:59:45,165 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 17:59:45,165 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:45,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:45,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1331320024, now seen corresponding path program 1 times [2025-02-06 17:59:45,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:45,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271065246] [2025-02-06 17:59:45,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:45,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:45,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 17:59:45,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 17:59:45,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:45,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:45,880 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 17:59:45,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:45,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271065246] [2025-02-06 17:59:45,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271065246] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 17:59:45,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857987249] [2025-02-06 17:59:45,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:45,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 17:59:45,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 17:59:45,884 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 17:59:45,886 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 17:59:46,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 17:59:46,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 17:59:46,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:46,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:46,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 17:59:46,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 17:59:46,843 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 17:59:46,843 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 17:59:46,960 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 17:59:46,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857987249] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 17:59:46,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 17:59:46,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 17:59:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60524444] [2025-02-06 17:59:46,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 17:59:46,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 17:59:46,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:46,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 17:59:46,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 17:59:46,961 INFO L87 Difference]: Start difference. First operand 266 states and 353 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 17:59:47,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:47,059 INFO L93 Difference]: Finished difference Result 535 states and 711 transitions. [2025-02-06 17:59:47,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 17:59:47,060 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 17:59:47,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:47,062 INFO L225 Difference]: With dead ends: 535 [2025-02-06 17:59:47,063 INFO L226 Difference]: Without dead ends: 275 [2025-02-06 17:59:47,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 17:59:47,064 INFO L435 NwaCegarLoop]: 348 mSDtfsCounter, 4 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:47,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 694 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 17:59:47,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-02-06 17:59:47,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2025-02-06 17:59:47,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 226 states have (on average 1.424778761061947) internal successors, (322), 248 states have internal predecessors, (322), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 17:59:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 362 transitions. [2025-02-06 17:59:47,076 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 362 transitions. Word has length 13 [2025-02-06 17:59:47,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:47,076 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 362 transitions. [2025-02-06 17:59:47,076 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 17:59:47,076 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 362 transitions. [2025-02-06 17:59:47,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-06 17:59:47,077 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:47,077 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:59:47,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 17:59:47,279 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 17:59:47,279 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:47,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:47,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1862995255, now seen corresponding path program 2 times [2025-02-06 17:59:47,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:47,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156477473] [2025-02-06 17:59:47,280 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 17:59:47,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:47,768 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-02-06 17:59:47,817 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 22 statements. [2025-02-06 17:59:47,817 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 17:59:47,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:48,270 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 17:59:48,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:48,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156477473] [2025-02-06 17:59:48,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156477473] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:48,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:59:48,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 17:59:48,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70656197] [2025-02-06 17:59:48,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:48,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 17:59:48,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:48,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 17:59:48,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 17:59:48,272 INFO L87 Difference]: Start difference. First operand 275 states and 362 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 17:59:48,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:48,431 INFO L93 Difference]: Finished difference Result 275 states and 362 transitions. [2025-02-06 17:59:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 17:59:48,432 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 17:59:48,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:48,433 INFO L225 Difference]: With dead ends: 275 [2025-02-06 17:59:48,433 INFO L226 Difference]: Without dead ends: 273 [2025-02-06 17:59:48,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 17:59:48,434 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 205 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 1142 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:48,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 1142 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 17:59:48,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2025-02-06 17:59:48,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2025-02-06 17:59:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 226 states have (on average 1.415929203539823) internal successors, (320), 246 states have internal predecessors, (320), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 17:59:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 360 transitions. [2025-02-06 17:59:48,444 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 360 transitions. Word has length 22 [2025-02-06 17:59:48,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:48,444 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 360 transitions. [2025-02-06 17:59:48,444 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 17:59:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 360 transitions. [2025-02-06 17:59:48,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 17:59:48,445 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:48,445 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 17:59:48,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 17:59:48,445 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:48,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:48,445 INFO L85 PathProgramCache]: Analyzing trace with hash -150011569, now seen corresponding path program 1 times [2025-02-06 17:59:48,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:48,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731537493] [2025-02-06 17:59:48,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:48,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:48,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 17:59:48,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 17:59:48,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:48,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:49,028 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 17:59:49,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:49,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731537493] [2025-02-06 17:59:49,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731537493] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:49,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:59:49,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 17:59:49,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080963296] [2025-02-06 17:59:49,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:49,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 17:59:49,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:49,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 17:59:49,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 17:59:49,029 INFO L87 Difference]: Start difference. First operand 273 states and 360 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 17:59:49,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:49,093 INFO L93 Difference]: Finished difference Result 529 states and 704 transitions. [2025-02-06 17:59:49,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 17:59:49,094 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 17:59:49,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:49,095 INFO L225 Difference]: With dead ends: 529 [2025-02-06 17:59:49,095 INFO L226 Difference]: Without dead ends: 276 [2025-02-06 17:59:49,095 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 17:59:49,096 INFO L435 NwaCegarLoop]: 346 mSDtfsCounter, 1 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:49,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 687 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 17:59:49,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-06 17:59:49,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2025-02-06 17:59:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 229 states have (on average 1.4104803493449782) internal successors, (323), 249 states have internal predecessors, (323), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 17:59:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 363 transitions. [2025-02-06 17:59:49,108 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 363 transitions. Word has length 27 [2025-02-06 17:59:49,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:49,108 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 363 transitions. [2025-02-06 17:59:49,109 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 17:59:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 363 transitions. [2025-02-06 17:59:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 17:59:49,109 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:49,109 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 17:59:49,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 17:59:49,110 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:49,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:49,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2067035024, now seen corresponding path program 1 times [2025-02-06 17:59:49,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:49,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116879346] [2025-02-06 17:59:49,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:49,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:49,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 17:59:49,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 17:59:49,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:49,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:50,234 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 17:59:50,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:50,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116879346] [2025-02-06 17:59:50,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116879346] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 17:59:50,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113166556] [2025-02-06 17:59:50,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:50,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 17:59:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 17:59:50,237 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 17:59:50,238 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 17:59:51,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 17:59:51,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 17:59:51,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:51,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:51,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 1871 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 17:59:51,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 17:59:51,442 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 17:59:51,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 17:59:51,838 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 17:59:51,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113166556] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 17:59:51,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 17:59:51,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2025-02-06 17:59:51,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572373481] [2025-02-06 17:59:51,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 17:59:51,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 17:59:51,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:51,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 17:59:51,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-06 17:59:51,843 INFO L87 Difference]: Start difference. First operand 276 states and 363 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 17:59:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:52,586 INFO L93 Difference]: Finished difference Result 554 states and 734 transitions. [2025-02-06 17:59:52,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 17:59:52,586 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 17:59:52,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:52,588 INFO L225 Difference]: With dead ends: 554 [2025-02-06 17:59:52,588 INFO L226 Difference]: Without dead ends: 293 [2025-02-06 17:59:52,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-06 17:59:52,589 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 5 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2030 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:52,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2030 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 17:59:52,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2025-02-06 17:59:52,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2025-02-06 17:59:52,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 247 states have (on average 1.3765182186234817) internal successors, (340), 266 states have internal predecessors, (340), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 17:59:52,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 380 transitions. [2025-02-06 17:59:52,599 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 380 transitions. Word has length 30 [2025-02-06 17:59:52,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:52,599 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 380 transitions. [2025-02-06 17:59:52,599 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 17:59:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 380 transitions. [2025-02-06 17:59:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 17:59:52,600 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:52,600 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 17:59:52,615 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 17:59:52,801 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,SelfDestructingSolverStorable7 [2025-02-06 17:59:52,801 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:52,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:52,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1322937872, now seen corresponding path program 1 times [2025-02-06 17:59:52,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:52,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174754380] [2025-02-06 17:59:52,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:52,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:53,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 17:59:53,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 17:59:53,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:53,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-02-06 17:59:53,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:53,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174754380] [2025-02-06 17:59:53,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174754380] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:53,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:59:53,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 17:59:53,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567606738] [2025-02-06 17:59:53,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:53,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 17:59:53,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:53,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 17:59:53,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 17:59:53,582 INFO L87 Difference]: Start difference. First operand 293 states and 380 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 17:59:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:53,727 INFO L93 Difference]: Finished difference Result 305 states and 394 transitions. [2025-02-06 17:59:53,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 17:59:53,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 48 [2025-02-06 17:59:53,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:53,728 INFO L225 Difference]: With dead ends: 305 [2025-02-06 17:59:53,728 INFO L226 Difference]: Without dead ends: 303 [2025-02-06 17:59:53,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 17:59:53,729 INFO L435 NwaCegarLoop]: 343 mSDtfsCounter, 2 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:53,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 682 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 17:59:53,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-02-06 17:59:53,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 302. [2025-02-06 17:59:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 256 states have (on average 1.375) internal successors, (352), 275 states have internal predecessors, (352), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 17:59:53,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 392 transitions. [2025-02-06 17:59:53,744 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 392 transitions. Word has length 48 [2025-02-06 17:59:53,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:53,746 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 392 transitions. [2025-02-06 17:59:53,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 17:59:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 392 transitions. [2025-02-06 17:59:53,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 17:59:53,746 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:53,747 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:59:53,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 17:59:53,747 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:53,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:53,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1938593231, now seen corresponding path program 1 times [2025-02-06 17:59:53,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:53,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225215980] [2025-02-06 17:59:53,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:53,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:54,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 17:59:54,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 17:59:54,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:54,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-02-06 17:59:54,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:54,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225215980] [2025-02-06 17:59:54,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225215980] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:54,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:59:54,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 17:59:54,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096845731] [2025-02-06 17:59:54,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:54,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 17:59:54,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:54,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 17:59:54,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 17:59:54,379 INFO L87 Difference]: Start difference. First operand 302 states and 392 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 17:59:54,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:54,480 INFO L93 Difference]: Finished difference Result 302 states and 392 transitions. [2025-02-06 17:59:54,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 17:59:54,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 49 [2025-02-06 17:59:54,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:54,482 INFO L225 Difference]: With dead ends: 302 [2025-02-06 17:59:54,482 INFO L226 Difference]: Without dead ends: 301 [2025-02-06 17:59:54,482 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 17:59:54,483 INFO L435 NwaCegarLoop]: 344 mSDtfsCounter, 0 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:54,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 685 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 17:59:54,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2025-02-06 17:59:54,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 297. [2025-02-06 17:59:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 252 states have (on average 1.373015873015873) internal successors, (346), 270 states have internal predecessors, (346), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 17:59:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 386 transitions. [2025-02-06 17:59:54,490 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 386 transitions. Word has length 49 [2025-02-06 17:59:54,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:54,490 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 386 transitions. [2025-02-06 17:59:54,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 17:59:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 386 transitions. [2025-02-06 17:59:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 17:59:54,491 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:54,491 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:59:54,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 17:59:54,491 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:54,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:54,492 INFO L85 PathProgramCache]: Analyzing trace with hash -598081055, now seen corresponding path program 1 times [2025-02-06 17:59:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:54,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499081075] [2025-02-06 17:59:54,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:54,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 17:59:54,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 17:59:54,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:54,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:55,266 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 17:59:55,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:55,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499081075] [2025-02-06 17:59:55,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499081075] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:55,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:59:55,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 17:59:55,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259493007] [2025-02-06 17:59:55,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:55,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 17:59:55,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:55,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 17:59:55,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 17:59:55,268 INFO L87 Difference]: Start difference. First operand 297 states and 386 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 17:59:57,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:57,265 INFO L93 Difference]: Finished difference Result 810 states and 1086 transitions. [2025-02-06 17:59:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 17:59:57,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 55 [2025-02-06 17:59:57,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:57,270 INFO L225 Difference]: With dead ends: 810 [2025-02-06 17:59:57,270 INFO L226 Difference]: Without dead ends: 572 [2025-02-06 17:59:57,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 17:59:57,271 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 551 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:57,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 945 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 17:59:57,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2025-02-06 17:59:57,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 393. [2025-02-06 17:59:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 341 states have (on average 1.4076246334310851) internal successors, (480), 361 states have internal predecessors, (480), 26 states have call successors, (26), 12 states have call predecessors, (26), 13 states have return successors, (23), 20 states have call predecessors, (23), 20 states have call successors, (23) [2025-02-06 17:59:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 529 transitions. [2025-02-06 17:59:57,291 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 529 transitions. Word has length 55 [2025-02-06 17:59:57,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:57,291 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 529 transitions. [2025-02-06 17:59:57,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 17:59:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 529 transitions. [2025-02-06 17:59:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 17:59:57,292 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:57,292 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:59:57,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 17:59:57,292 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:57,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:57,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1889431778, now seen corresponding path program 1 times [2025-02-06 17:59:57,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:57,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4458916] [2025-02-06 17:59:57,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:57,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:57,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 17:59:57,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 17:59:57,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:57,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 17:59:58,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:58,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4458916] [2025-02-06 17:59:58,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4458916] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:58,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:59:58,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 17:59:58,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386185075] [2025-02-06 17:59:58,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:58,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 17:59:58,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:58,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 17:59:58,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 17:59:58,136 INFO L87 Difference]: Start difference. First operand 393 states and 529 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 17:59:58,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:58,693 INFO L93 Difference]: Finished difference Result 510 states and 703 transitions. [2025-02-06 17:59:58,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 17:59:58,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 55 [2025-02-06 17:59:58,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:58,697 INFO L225 Difference]: With dead ends: 510 [2025-02-06 17:59:58,697 INFO L226 Difference]: Without dead ends: 509 [2025-02-06 17:59:58,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-06 17:59:58,699 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 132 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:58,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1283 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 17:59:58,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2025-02-06 17:59:58,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 492. [2025-02-06 17:59:58,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 434 states have (on average 1.4308755760368663) internal successors, (621), 456 states have internal predecessors, (621), 28 states have call successors, (28), 14 states have call predecessors, (28), 17 states have return successors, (34), 22 states have call predecessors, (34), 22 states have call successors, (34) [2025-02-06 17:59:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 683 transitions. [2025-02-06 17:59:58,716 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 683 transitions. Word has length 55 [2025-02-06 17:59:58,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:58,716 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 683 transitions. [2025-02-06 17:59:58,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 17:59:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 683 transitions. [2025-02-06 17:59:58,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 17:59:58,719 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:58,720 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:59:58,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 17:59:58,720 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:58,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:58,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1518031837, now seen corresponding path program 1 times [2025-02-06 17:59:58,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:58,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946274995] [2025-02-06 17:59:58,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:58,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:59:59,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 17:59:59,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 17:59:59,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:59:59,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:59:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 17:59:59,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:59:59,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946274995] [2025-02-06 17:59:59,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946274995] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:59:59,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:59:59,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 17:59:59,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626347851] [2025-02-06 17:59:59,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:59:59,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 17:59:59,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:59:59,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 17:59:59,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 17:59:59,573 INFO L87 Difference]: Start difference. First operand 492 states and 683 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 17:59:59,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:59:59,860 INFO L93 Difference]: Finished difference Result 930 states and 1306 transitions. [2025-02-06 17:59:59,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 17:59:59,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 55 [2025-02-06 17:59:59,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:59:59,863 INFO L225 Difference]: With dead ends: 930 [2025-02-06 17:59:59,863 INFO L226 Difference]: Without dead ends: 492 [2025-02-06 17:59:59,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 17:59:59,865 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 213 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 17:59:59,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 1319 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 17:59:59,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2025-02-06 17:59:59,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2025-02-06 17:59:59,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 434 states have (on average 1.4285714285714286) internal successors, (620), 456 states have internal predecessors, (620), 28 states have call successors, (28), 14 states have call predecessors, (28), 17 states have return successors, (34), 22 states have call predecessors, (34), 22 states have call successors, (34) [2025-02-06 17:59:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 682 transitions. [2025-02-06 17:59:59,884 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 682 transitions. Word has length 55 [2025-02-06 17:59:59,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:59:59,884 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 682 transitions. [2025-02-06 17:59:59,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 17:59:59,885 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 682 transitions. [2025-02-06 17:59:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 17:59:59,886 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:59:59,886 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:59:59,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 17:59:59,886 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 17:59:59,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:59:59,887 INFO L85 PathProgramCache]: Analyzing trace with hash -974976025, now seen corresponding path program 1 times [2025-02-06 17:59:59,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:59:59,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705118635] [2025-02-06 17:59:59,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:59:59,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:00,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 18:00:00,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 18:00:00,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:00,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-02-06 18:00:00,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:00,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705118635] [2025-02-06 18:00:00,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705118635] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:00:00,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172508976] [2025-02-06 18:00:00,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:00,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:00:00,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:00:00,481 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:00:00,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 18:00:01,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 18:00:01,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 18:00:01,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:01,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:01,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 2044 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:00:01,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:00:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-02-06 18:00:01,621 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:00:01,670 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-02-06 18:00:01,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172508976] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:00:01,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:00:01,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 18:00:01,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690016335] [2025-02-06 18:00:01,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:00:01,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:00:01,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:01,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:00:01,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:00:01,671 INFO L87 Difference]: Start difference. First operand 492 states and 682 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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 18:00:01,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:00:01,739 INFO L93 Difference]: Finished difference Result 959 states and 1342 transitions. [2025-02-06 18:00:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:00:01,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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 55 [2025-02-06 18:00:01,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:00:01,741 INFO L225 Difference]: With dead ends: 959 [2025-02-06 18:00:01,741 INFO L226 Difference]: Without dead ends: 510 [2025-02-06 18:00:01,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:00:01,742 INFO L435 NwaCegarLoop]: 344 mSDtfsCounter, 4 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:00:01,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1367 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:00:01,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2025-02-06 18:00:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2025-02-06 18:00:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 452 states have (on average 1.4115044247787611) internal successors, (638), 474 states have internal predecessors, (638), 28 states have call successors, (28), 14 states have call predecessors, (28), 17 states have return successors, (34), 22 states have call predecessors, (34), 22 states have call successors, (34) [2025-02-06 18:00:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 700 transitions. [2025-02-06 18:00:01,754 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 700 transitions. Word has length 55 [2025-02-06 18:00:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:00:01,754 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 700 transitions. [2025-02-06 18:00:01,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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 18:00:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 700 transitions. [2025-02-06 18:00:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 18:00:01,755 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:00:01,755 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:00:01,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 18:00:01,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-06 18:00:01,956 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 18:00:01,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:00:01,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1260048277, now seen corresponding path program 1 times [2025-02-06 18:00:01,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:00:01,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612985055] [2025-02-06 18:00:01,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:01,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:02,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 18:00:02,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 18:00:02,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:02,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 18:00:02,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:02,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612985055] [2025-02-06 18:00:02,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612985055] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:00:02,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389461060] [2025-02-06 18:00:02,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:02,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:00:02,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:00:02,844 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:00:02,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 18:00:03,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 18:00:04,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 18:00:04,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:04,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:04,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 18:00:04,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:00:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 18:00:04,323 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:00:04,663 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 18:00:04,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389461060] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:00:04,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:00:04,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-02-06 18:00:04,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159402422] [2025-02-06 18:00:04,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:00:04,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 18:00:04,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:04,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 18:00:04,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 18:00:04,665 INFO L87 Difference]: Start difference. First operand 510 states and 700 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 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 18:00:04,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:00:04,791 INFO L93 Difference]: Finished difference Result 1004 states and 1393 transitions. [2025-02-06 18:00:04,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 18:00:04,792 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 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 71 [2025-02-06 18:00:04,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:00:04,794 INFO L225 Difference]: With dead ends: 1004 [2025-02-06 18:00:04,794 INFO L226 Difference]: Without dead ends: 546 [2025-02-06 18:00:04,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 18:00:04,796 INFO L435 NwaCegarLoop]: 344 mSDtfsCounter, 4 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:00:04,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1026 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:00:04,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2025-02-06 18:00:04,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2025-02-06 18:00:04,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 488 states have (on average 1.3811475409836065) internal successors, (674), 510 states have internal predecessors, (674), 28 states have call successors, (28), 14 states have call predecessors, (28), 17 states have return successors, (34), 22 states have call predecessors, (34), 22 states have call successors, (34) [2025-02-06 18:00:04,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 736 transitions. [2025-02-06 18:00:04,812 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 736 transitions. Word has length 71 [2025-02-06 18:00:04,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:00:04,813 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 736 transitions. [2025-02-06 18:00:04,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 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 18:00:04,813 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 736 transitions. [2025-02-06 18:00:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-06 18:00:04,814 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:00:04,814 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:00:04,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 18:00:05,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-06 18:00:05,015 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 18:00:05,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:00:05,015 INFO L85 PathProgramCache]: Analyzing trace with hash 65346955, now seen corresponding path program 2 times [2025-02-06 18:00:05,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:00:05,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604556996] [2025-02-06 18:00:05,015 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:00:05,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:05,415 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 89 statements into 2 equivalence classes. [2025-02-06 18:00:05,471 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 25 of 89 statements. [2025-02-06 18:00:05,471 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:00:05,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-02-06 18:00:05,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:05,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604556996] [2025-02-06 18:00:05,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604556996] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:00:05,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:00:05,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 18:00:05,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228637555] [2025-02-06 18:00:05,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:00:05,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 18:00:05,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:05,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 18:00:05,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-06 18:00:05,957 INFO L87 Difference]: Start difference. First operand 546 states and 736 transitions. Second operand has 8 states, 6 states have (on average 5.166666666666667) internal successors, (31), 8 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:00:07,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:00:07,373 INFO L93 Difference]: Finished difference Result 907 states and 1233 transitions. [2025-02-06 18:00:07,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 18:00:07,374 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.166666666666667) internal successors, (31), 8 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 89 [2025-02-06 18:00:07,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:00:07,378 INFO L225 Difference]: With dead ends: 907 [2025-02-06 18:00:07,378 INFO L226 Difference]: Without dead ends: 906 [2025-02-06 18:00:07,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-02-06 18:00:07,379 INFO L435 NwaCegarLoop]: 314 mSDtfsCounter, 864 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:00:07,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 1876 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 18:00:07,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2025-02-06 18:00:07,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 585. [2025-02-06 18:00:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 526 states have (on average 1.3935361216730038) internal successors, (733), 548 states have internal predecessors, (733), 29 states have call successors, (29), 14 states have call predecessors, (29), 17 states have return successors, (37), 23 states have call predecessors, (37), 23 states have call successors, (37) [2025-02-06 18:00:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 799 transitions. [2025-02-06 18:00:07,401 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 799 transitions. Word has length 89 [2025-02-06 18:00:07,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:00:07,401 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 799 transitions. [2025-02-06 18:00:07,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.166666666666667) internal successors, (31), 8 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:00:07,401 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 799 transitions. [2025-02-06 18:00:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 18:00:07,402 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:00:07,402 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:00:07,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 18:00:07,403 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 18:00:07,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:00:07,403 INFO L85 PathProgramCache]: Analyzing trace with hash 282945891, now seen corresponding path program 1 times [2025-02-06 18:00:07,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:00:07,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159545864] [2025-02-06 18:00:07,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:07,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:07,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 18:00:07,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 18:00:07,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:07,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2025-02-06 18:00:09,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:09,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159545864] [2025-02-06 18:00:09,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159545864] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:00:09,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2885662] [2025-02-06 18:00:09,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:09,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:00:09,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:00:09,046 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:00:09,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 18:00:09,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 18:00:10,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 18:00:10,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:10,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:10,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 2277 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 18:00:10,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:00:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2025-02-06 18:00:11,051 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:00:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2025-02-06 18:00:11,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2885662] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:00:11,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:00:11,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2025-02-06 18:00:11,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023039785] [2025-02-06 18:00:11,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:00:11,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-06 18:00:11,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:11,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-06 18:00:11,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2025-02-06 18:00:11,759 INFO L87 Difference]: Start difference. First operand 585 states and 799 transitions. Second operand has 25 states, 25 states have (on average 2.84) internal successors, (71), 22 states have internal predecessors, (71), 5 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 18:00:18,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:00:18,433 INFO L93 Difference]: Finished difference Result 1218 states and 1668 transitions. [2025-02-06 18:00:18,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 18:00:18,434 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.84) internal successors, (71), 22 states have internal predecessors, (71), 5 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) Word has length 90 [2025-02-06 18:00:18,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:00:18,437 INFO L225 Difference]: With dead ends: 1218 [2025-02-06 18:00:18,437 INFO L226 Difference]: Without dead ends: 784 [2025-02-06 18:00:18,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 166 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=263, Invalid=1069, Unknown=0, NotChecked=0, Total=1332 [2025-02-06 18:00:18,440 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 1607 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 3476 SdHoareTripleChecker+Invalid, 2073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2025-02-06 18:00:18,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 3476 Invalid, 2073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2025-02-06 18:00:18,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2025-02-06 18:00:18,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 599. [2025-02-06 18:00:18,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 544 states have (on average 1.3602941176470589) internal successors, (740), 563 states have internal predecessors, (740), 28 states have call successors, (28), 14 states have call predecessors, (28), 16 states have return successors, (30), 22 states have call predecessors, (30), 22 states have call successors, (30) [2025-02-06 18:00:18,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 798 transitions. [2025-02-06 18:00:18,461 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 798 transitions. Word has length 90 [2025-02-06 18:00:18,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:00:18,461 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 798 transitions. [2025-02-06 18:00:18,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.84) internal successors, (71), 22 states have internal predecessors, (71), 5 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 18:00:18,461 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 798 transitions. [2025-02-06 18:00:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-06 18:00:18,462 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:00:18,462 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:00:18,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 18:00:18,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:00:18,663 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 18:00:18,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:00:18,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1268460845, now seen corresponding path program 1 times [2025-02-06 18:00:18,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:00:18,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007520390] [2025-02-06 18:00:18,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:18,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:19,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-06 18:00:19,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 18:00:19,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:19,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2025-02-06 18:00:19,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:19,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007520390] [2025-02-06 18:00:19,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007520390] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:00:19,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:00:19,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:00:19,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903340709] [2025-02-06 18:00:19,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:00:19,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:00:19,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:19,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:00:19,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:00:19,965 INFO L87 Difference]: Start difference. First operand 599 states and 798 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:00:20,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:00:20,445 INFO L93 Difference]: Finished difference Result 1061 states and 1422 transitions. [2025-02-06 18:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:00:20,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2025-02-06 18:00:20,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:00:20,451 INFO L225 Difference]: With dead ends: 1061 [2025-02-06 18:00:20,451 INFO L226 Difference]: Without dead ends: 1059 [2025-02-06 18:00:20,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:00:20,452 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 616 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:00:20,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 903 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:00:20,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2025-02-06 18:00:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 719. [2025-02-06 18:00:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 656 states have (on average 1.3841463414634145) internal successors, (908), 677 states have internal predecessors, (908), 31 states have call successors, (31), 17 states have call predecessors, (31), 21 states have return successors, (39), 25 states have call predecessors, (39), 25 states have call successors, (39) [2025-02-06 18:00:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 978 transitions. [2025-02-06 18:00:20,484 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 978 transitions. Word has length 101 [2025-02-06 18:00:20,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:00:20,484 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 978 transitions. [2025-02-06 18:00:20,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:00:20,484 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 978 transitions. [2025-02-06 18:00:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-06 18:00:20,487 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:00:20,487 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:00:20,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 18:00:20,487 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 18:00:20,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:00:20,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1132327395, now seen corresponding path program 1 times [2025-02-06 18:00:20,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:00:20,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648051191] [2025-02-06 18:00:20,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:20,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:21,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-06 18:00:21,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 18:00:21,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:21,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-02-06 18:00:21,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:21,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648051191] [2025-02-06 18:00:21,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648051191] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:00:21,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:00:21,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:00:21,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690816608] [2025-02-06 18:00:21,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:00:21,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 18:00:21,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:21,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 18:00:21,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:00:21,502 INFO L87 Difference]: Start difference. First operand 719 states and 978 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:00:25,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 18:00:29,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 18:00:29,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:00:29,923 INFO L93 Difference]: Finished difference Result 857 states and 1205 transitions. [2025-02-06 18:00:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:00:29,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2025-02-06 18:00:29,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:00:29,927 INFO L225 Difference]: With dead ends: 857 [2025-02-06 18:00:29,928 INFO L226 Difference]: Without dead ends: 855 [2025-02-06 18:00:29,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:00:29,929 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 30 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:00:29,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1310 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2025-02-06 18:00:29,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2025-02-06 18:00:29,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 747. [2025-02-06 18:00:29,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 684 states have (on average 1.378654970760234) internal successors, (943), 705 states have internal predecessors, (943), 31 states have call successors, (31), 17 states have call predecessors, (31), 21 states have return successors, (39), 25 states have call predecessors, (39), 25 states have call successors, (39) [2025-02-06 18:00:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1013 transitions. [2025-02-06 18:00:29,954 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1013 transitions. Word has length 101 [2025-02-06 18:00:29,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:00:29,954 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1013 transitions. [2025-02-06 18:00:29,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:00:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1013 transitions. [2025-02-06 18:00:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-06 18:00:29,957 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:00:29,957 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:00:29,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-06 18:00:29,957 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 18:00:29,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:00:29,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1132357186, now seen corresponding path program 1 times [2025-02-06 18:00:29,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:00:29,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407065208] [2025-02-06 18:00:29,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:29,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:30,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-06 18:00:30,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 18:00:30,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:30,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-02-06 18:00:30,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:30,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407065208] [2025-02-06 18:00:30,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407065208] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:00:30,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:00:30,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 18:00:30,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427807849] [2025-02-06 18:00:30,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:00:30,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 18:00:30,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:30,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 18:00:30,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:00:30,710 INFO L87 Difference]: Start difference. First operand 747 states and 1013 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:00:30,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:00:30,849 INFO L93 Difference]: Finished difference Result 1278 states and 1764 transitions. [2025-02-06 18:00:30,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:00:30,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2025-02-06 18:00:30,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:00:30,852 INFO L225 Difference]: With dead ends: 1278 [2025-02-06 18:00:30,852 INFO L226 Difference]: Without dead ends: 683 [2025-02-06 18:00:30,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:00:30,854 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 0 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:00:30,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1355 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:00:30,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2025-02-06 18:00:30,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 675. [2025-02-06 18:00:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 609 states have (on average 1.3530377668308702) internal successors, (824), 632 states have internal predecessors, (824), 31 states have call successors, (31), 17 states have call predecessors, (31), 24 states have return successors, (45), 26 states have call predecessors, (45), 25 states have call successors, (45) [2025-02-06 18:00:30,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 900 transitions. [2025-02-06 18:00:30,874 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 900 transitions. Word has length 101 [2025-02-06 18:00:30,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:00:30,874 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 900 transitions. [2025-02-06 18:00:30,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:00:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 900 transitions. [2025-02-06 18:00:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-06 18:00:30,875 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:00:30,875 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:00:30,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-06 18:00:30,877 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting bb_verror_msgErr19ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 18:00:30,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:00:30,877 INFO L85 PathProgramCache]: Analyzing trace with hash -654003481, now seen corresponding path program 1 times [2025-02-06 18:00:30,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:00:30,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197762007] [2025-02-06 18:00:30,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:30,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:31,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 18:00:31,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 18:00:31,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:31,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-02-06 18:00:31,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:31,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197762007] [2025-02-06 18:00:31,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197762007] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:00:31,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:00:31,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 18:00:31,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814728341] [2025-02-06 18:00:31,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:00:31,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 18:00:31,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:31,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 18:00:31,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:00:31,720 INFO L87 Difference]: Start difference. First operand 675 states and 900 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:00:31,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:00:31,856 INFO L93 Difference]: Finished difference Result 688 states and 912 transitions. [2025-02-06 18:00:31,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:00:31,857 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-02-06 18:00:31,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:00:31,859 INFO L225 Difference]: With dead ends: 688 [2025-02-06 18:00:31,859 INFO L226 Difference]: Without dead ends: 684 [2025-02-06 18:00:31,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:00:31,859 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 15 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:00:31,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1355 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:00:31,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2025-02-06 18:00:31,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 680. [2025-02-06 18:00:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 613 states have (on average 1.3523654159869494) internal successors, (829), 636 states have internal predecessors, (829), 31 states have call successors, (31), 18 states have call predecessors, (31), 25 states have return successors, (45), 26 states have call predecessors, (45), 25 states have call successors, (45) [2025-02-06 18:00:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 905 transitions. [2025-02-06 18:00:31,882 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 905 transitions. Word has length 103 [2025-02-06 18:00:31,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:00:31,884 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 905 transitions. [2025-02-06 18:00:31,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:00:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 905 transitions. [2025-02-06 18:00:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-06 18:00:31,885 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:00:31,885 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:00:31,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-06 18:00:31,885 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting bb_verror_msgErr19ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 18:00:31,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:00:31,886 INFO L85 PathProgramCache]: Analyzing trace with hash -653973690, now seen corresponding path program 1 times [2025-02-06 18:00:31,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:00:31,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938865637] [2025-02-06 18:00:31,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:31,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:32,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 18:00:32,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 18:00:32,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:32,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-02-06 18:00:32,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:32,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938865637] [2025-02-06 18:00:32,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938865637] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:00:32,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:00:32,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:00:32,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423318287] [2025-02-06 18:00:32,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:00:32,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:00:32,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:32,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:00:32,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:00:32,752 INFO L87 Difference]: Start difference. First operand 680 states and 905 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:00:32,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:00:32,957 INFO L93 Difference]: Finished difference Result 1163 states and 1605 transitions. [2025-02-06 18:00:32,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:00:32,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 103 [2025-02-06 18:00:32,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:00:32,965 INFO L225 Difference]: With dead ends: 1163 [2025-02-06 18:00:32,965 INFO L226 Difference]: Without dead ends: 1003 [2025-02-06 18:00:32,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:00:32,967 INFO L435 NwaCegarLoop]: 381 mSDtfsCounter, 176 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:00:32,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1082 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:00:32,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2025-02-06 18:00:33,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 907. [2025-02-06 18:00:33,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 835 states have (on average 1.3952095808383234) internal successors, (1165), 856 states have internal predecessors, (1165), 36 states have call successors, (36), 18 states have call predecessors, (36), 25 states have return successors, (66), 33 states have call predecessors, (66), 30 states have call successors, (66) [2025-02-06 18:00:33,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1267 transitions. [2025-02-06 18:00:33,010 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1267 transitions. Word has length 103 [2025-02-06 18:00:33,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:00:33,011 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1267 transitions. [2025-02-06 18:00:33,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:00:33,011 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1267 transitions. [2025-02-06 18:00:33,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 18:00:33,012 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:00:33,012 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:00:33,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-02-06 18:00:33,012 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 18:00:33,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:00:33,013 INFO L85 PathProgramCache]: Analyzing trace with hash 736246374, now seen corresponding path program 1 times [2025-02-06 18:00:33,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:00:33,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090137482] [2025-02-06 18:00:33,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:33,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:33,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 18:00:33,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 18:00:33,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:33,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-02-06 18:00:34,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:34,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090137482] [2025-02-06 18:00:34,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090137482] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:00:34,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:00:34,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 18:00:34,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880594140] [2025-02-06 18:00:34,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:00:34,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 18:00:34,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:34,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 18:00:34,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:00:34,147 INFO L87 Difference]: Start difference. First operand 907 states and 1267 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:00:38,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 18:00:42,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 18:00:42,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:00:42,834 INFO L93 Difference]: Finished difference Result 1156 states and 1604 transitions. [2025-02-06 18:00:42,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:00:42,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2025-02-06 18:00:42,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:00:42,839 INFO L225 Difference]: With dead ends: 1156 [2025-02-06 18:00:42,839 INFO L226 Difference]: Without dead ends: 1005 [2025-02-06 18:00:42,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:00:42,840 INFO L435 NwaCegarLoop]: 432 mSDtfsCounter, 453 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2025-02-06 18:00:42,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1102 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 154 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2025-02-06 18:00:42,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2025-02-06 18:00:42,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 921. [2025-02-06 18:00:42,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 848 states have (on average 1.3938679245283019) internal successors, (1182), 869 states have internal predecessors, (1182), 37 states have call successors, (37), 18 states have call predecessors, (37), 25 states have return successors, (67), 34 states have call predecessors, (67), 31 states have call successors, (67) [2025-02-06 18:00:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1286 transitions. [2025-02-06 18:00:42,864 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1286 transitions. Word has length 104 [2025-02-06 18:00:42,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:00:42,864 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1286 transitions. [2025-02-06 18:00:42,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:00:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1286 transitions. [2025-02-06 18:00:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 18:00:42,865 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:00:42,865 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:00:42,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-06 18:00:42,866 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2025-02-06 18:00:42,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:00:42,866 INFO L85 PathProgramCache]: Analyzing trace with hash 230687749, now seen corresponding path program 1 times [2025-02-06 18:00:42,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:00:42,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873587918] [2025-02-06 18:00:42,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:00:42,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:00:43,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 18:00:43,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 18:00:43,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:00:43,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:00:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-02-06 18:00:45,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:00:45,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873587918] [2025-02-06 18:00:45,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873587918] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:00:45,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:00:45,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-02-06 18:00:45,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047620076] [2025-02-06 18:00:45,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:00:45,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 18:00:45,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:00:45,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 18:00:45,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-02-06 18:00:45,686 INFO L87 Difference]: Start difference. First operand 921 states and 1286 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:00:49,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 18:00:53,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 18:00:57,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 18:01:01,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []