./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 14:58:38,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 14:58:39,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 14:58:39,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 14:58:39,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 14:58:39,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 14:58:39,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 14:58:39,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 14:58:39,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 14:58:39,071 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 14:58:39,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 14:58:39,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 14:58:39,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 14:58:39,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 14:58:39,073 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 14:58:39,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 14:58:39,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 14:58:39,073 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 14:58:39,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 14:58:39,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 14:58:39,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 14:58:39,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 14:58:39,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 14:58:39,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 14:58:39,075 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 14:58:39,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 14:58:39,075 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 14:58:39,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 14:58:39,075 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 14:58:39,075 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 14:58:39,075 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 14:58:39,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:58:39,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 14:58:39,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 14:58:39,076 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/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2025-03-17 14:58:39,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 14:58:39,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 14:58:39,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 14:58:39,324 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 14:58:39,325 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 14:58:39,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2025-03-17 14:58:40,479 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c1842db/c51e670e06ff4c63835d28f6abe7bc04/FLAG372d243c5 [2025-03-17 14:58:40,882 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 14:58:40,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2025-03-17 14:58:40,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c1842db/c51e670e06ff4c63835d28f6abe7bc04/FLAG372d243c5 [2025-03-17 14:58:41,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c1842db/c51e670e06ff4c63835d28f6abe7bc04 [2025-03-17 14:58:41,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 14:58:41,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 14:58:41,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 14:58:41,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 14:58:41,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 14:58:41,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:58:41" (1/1) ... [2025-03-17 14:58:41,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628b1770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:41, skipping insertion in model container [2025-03-17 14:58:41,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:58:41" (1/1) ... [2025-03-17 14:58:41,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 14:58:41,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:58:41,806 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 14:58:41,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:58:42,056 INFO L204 MainTranslator]: Completed translation [2025-03-17 14:58:42,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42 WrapperNode [2025-03-17 14:58:42,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 14:58:42,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 14:58:42,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 14:58:42,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 14:58:42,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,243 INFO L138 Inliner]: procedures = 473, calls = 2667, calls flagged for inlining = 55, calls inlined = 39, statements flattened = 3372 [2025-03-17 14:58:42,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 14:58:42,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 14:58:42,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 14:58:42,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 14:58:42,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,331 INFO L175 MemorySlicer]: Split 2024 memory accesses to 27 slices as follows [5, 3, 35, 1040, 480, 59, 35, 11, 5, 15, 120, 67, 12, 3, 37, 2, 20, 4, 2, 5, 18, 0, 2, 21, 5, 2, 16]. 51 percent of accesses are in the largest equivalence class. The 1901 initializations are split as follows [3, 3, 15, 1040, 480, 59, 32, 2, 1, 10, 120, 67, 6, 0, 25, 2, 4, 4, 0, 4, 18, 0, 0, 0, 1, 0, 5]. The 58 writes are split as follows [0, 0, 6, 0, 0, 0, 0, 5, 1, 2, 0, 0, 6, 0, 0, 0, 4, 0, 0, 0, 0, 0, 1, 21, 2, 2, 8]. [2025-03-17 14:58:42,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,390 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 14:58:42,443 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 14:58:42,443 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 14:58:42,443 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 14:58:42,443 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (1/1) ... [2025-03-17 14:58:42,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:58:42,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:58:42,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 14:58:42,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 14:58:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2025-03-17 14:58:42,507 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2025-03-17 14:58:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-17 14:58:42,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2025-03-17 14:58:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-17 14:58:42,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-17 14:58:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 14:58:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-17 14:58:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-17 14:58:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-17 14:58:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2025-03-17 14:58:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2025-03-17 14:58:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2025-03-17 14:58:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 14:58:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 14:58:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 14:58:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-17 14:58:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-17 14:58:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2025-03-17 14:58:42,511 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 14:58:42,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2025-03-17 14:58:42,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2025-03-17 14:58:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2025-03-17 14:58:42,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2025-03-17 14:58:42,512 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 14:58:42,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2025-03-17 14:58:42,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 14:58:42,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2025-03-17 14:58:42,512 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-17 14:58:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-17 14:58:42,513 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2025-03-17 14:58:42,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2025-03-17 14:58:42,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-03-17 14:58:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-17 14:58:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2025-03-17 14:58:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-03-17 14:58:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2025-03-17 14:58:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2025-03-17 14:58:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2025-03-17 14:58:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-17 14:58:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-17 14:58:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-17 14:58:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-17 14:58:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-17 14:58:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-17 14:58:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-17 14:58:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-17 14:58:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-17 14:58:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-17 14:58:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-17 14:58:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2025-03-17 14:58:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2025-03-17 14:58:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2025-03-17 14:58:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2025-03-17 14:58:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2025-03-17 14:58:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2025-03-17 14:58:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-17 14:58:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-17 14:58:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 14:58:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 14:58:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-17 14:58:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-17 14:58:42,915 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 14:58:42,917 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 14:58:43,080 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3246: havoc get_user_#t~nondet671#1; [2025-03-17 14:58:43,092 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1508: havoc #t~ret200; [2025-03-17 14:58:43,118 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1470: havoc #t~ret199#1; [2025-03-17 14:58:43,118 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3965: havoc inw_#t~nondet754#1; [2025-03-17 14:58:43,212 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3262: havoc put_user_#t~nondet673#1; [2025-03-17 14:58:43,213 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3270: havoc copy_to_user_#t~nondet674#1; [2025-03-17 14:58:43,310 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4512: havoc test_and_set_bit_#t~bitwise795#1; [2025-03-17 14:58:43,310 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1705: havoc zf_open_#t~ret218#1; [2025-03-17 14:58:47,391 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3505: havoc misc_register_#t~ret713#1; [2025-03-17 14:58:47,509 INFO L? ?]: Removed 387 outVars from TransFormulas that were not future-live. [2025-03-17 14:58:47,509 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 14:58:47,539 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 14:58:47,540 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 14:58:47,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:58:47 BoogieIcfgContainer [2025-03-17 14:58:47,540 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 14:58:47,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 14:58:47,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 14:58:47,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 14:58:47,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:58:41" (1/3) ... [2025-03-17 14:58:47,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634c46e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:58:47, skipping insertion in model container [2025-03-17 14:58:47,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:58:42" (2/3) ... [2025-03-17 14:58:47,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634c46e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:58:47, skipping insertion in model container [2025-03-17 14:58:47,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:58:47" (3/3) ... [2025-03-17 14:58:47,548 INFO L128 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2025-03-17 14:58:47,559 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 14:58:47,562 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ddv_machzwd_inw.i that has 29 procedures, 407 locations, 1 initial locations, 4 loop locations, and 21 error locations. [2025-03-17 14:58:47,615 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 14:58:47,625 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;@316fd7c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 14:58:47,626 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2025-03-17 14:58:47,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 403 states, 277 states have (on average 1.444043321299639) internal successors, (400), 304 states have internal predecessors, (400), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2025-03-17 14:58:47,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-17 14:58:47,636 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:58:47,637 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:58:47,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:58:47,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:58:47,641 INFO L85 PathProgramCache]: Analyzing trace with hash -996743042, now seen corresponding path program 1 times [2025-03-17 14:58:47,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:58:47,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314658621] [2025-03-17 14:58:47,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:58:47,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:58:49,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 14:58:49,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 14:58:49,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:58:49,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:58:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:58:50,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:58:50,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314658621] [2025-03-17 14:58:50,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314658621] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:58:50,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:58:50,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:58:50,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630093364] [2025-03-17 14:58:50,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:58:50,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:58:50,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:58:50,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:58:50,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:58:50,477 INFO L87 Difference]: Start difference. First operand has 403 states, 277 states have (on average 1.444043321299639) internal successors, (400), 304 states have internal predecessors, (400), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2025-03-17 14:58:51,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:58:54,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:58:54,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:58:54,515 INFO L93 Difference]: Finished difference Result 802 states and 1131 transitions. [2025-03-17 14:58:54,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:58:54,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 8 [2025-03-17 14:58:54,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:58:54,526 INFO L225 Difference]: With dead ends: 802 [2025-03-17 14:58:54,526 INFO L226 Difference]: Without dead ends: 398 [2025-03-17 14:58:54,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:58:54,531 INFO L435 NwaCegarLoop]: 533 mSDtfsCounter, 1 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:58:54,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1590 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-03-17 14:58:54,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2025-03-17 14:58:54,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2025-03-17 14:58:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 277 states have (on average 1.4151624548736461) internal successors, (392), 302 states have internal predecessors, (392), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-17 14:58:54,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 543 transitions. [2025-03-17 14:58:54,573 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 543 transitions. Word has length 8 [2025-03-17 14:58:54,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:58:54,574 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 543 transitions. [2025-03-17 14:58:54,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2025-03-17 14:58:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 543 transitions. [2025-03-17 14:58:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 14:58:54,575 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:58:54,576 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:58:54,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 14:58:54,576 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:58:54,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:58:54,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1432519227, now seen corresponding path program 1 times [2025-03-17 14:58:54,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:58:54,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17172001] [2025-03-17 14:58:54,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:58:54,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:58:56,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 14:58:56,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 14:58:56,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:58:56,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:58:56,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:58:56,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:58:56,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17172001] [2025-03-17 14:58:56,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17172001] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:58:56,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487334720] [2025-03-17 14:58:56,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:58:56,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:58:56,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:58:56,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:58:56,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 14:58:59,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 14:58:59,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 14:58:59,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:58:59,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:58:59,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 5607 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 14:58:59,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:58:59,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:58:59,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 14:58:59,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487334720] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:58:59,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 14:58:59,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-17 14:58:59,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224609139] [2025-03-17 14:58:59,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:58:59,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 14:58:59,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:58:59,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 14:58:59,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 14:58:59,679 INFO L87 Difference]: Start difference. First operand 398 states and 543 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2025-03-17 14:59:00,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:02,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:04,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:04,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:04,569 INFO L93 Difference]: Finished difference Result 398 states and 543 transitions. [2025-03-17 14:59:04,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:59:04,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 11 [2025-03-17 14:59:04,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:04,573 INFO L225 Difference]: With dead ends: 398 [2025-03-17 14:59:04,573 INFO L226 Difference]: Without dead ends: 397 [2025-03-17 14:59:04,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 14:59:04,576 INFO L435 NwaCegarLoop]: 520 mSDtfsCounter, 1 mSDsluCounter, 1550 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2070 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:04,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2070 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2025-03-17 14:59:04,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-03-17 14:59:04,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2025-03-17 14:59:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 277 states have (on average 1.4115523465703972) internal successors, (391), 301 states have internal predecessors, (391), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-17 14:59:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 542 transitions. [2025-03-17 14:59:04,596 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 542 transitions. Word has length 11 [2025-03-17 14:59:04,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:04,596 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 542 transitions. [2025-03-17 14:59:04,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2025-03-17 14:59:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 542 transitions. [2025-03-17 14:59:04,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 14:59:04,597 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:04,597 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:04,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 14:59:04,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:04,798 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:59:04,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:04,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1458418747, now seen corresponding path program 1 times [2025-03-17 14:59:04,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:04,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272899274] [2025-03-17 14:59:04,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:04,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:06,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 14:59:06,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 14:59:06,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:06,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:07,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:07,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272899274] [2025-03-17 14:59:07,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272899274] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:59:07,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353842523] [2025-03-17 14:59:07,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:07,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:07,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:07,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:59:07,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 14:59:09,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 14:59:09,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 14:59:09,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:09,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:09,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 5618 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 14:59:09,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:59:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:09,531 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:59:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:09,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353842523] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:59:09,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:59:09,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-17 14:59:09,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789904077] [2025-03-17 14:59:09,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:59:09,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 14:59:09,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:09,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 14:59:09,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 14:59:09,566 INFO L87 Difference]: Start difference. First operand 397 states and 542 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 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) [2025-03-17 14:59:13,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:14,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:14,860 INFO L93 Difference]: Finished difference Result 789 states and 1079 transitions. [2025-03-17 14:59:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 14:59:14,861 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 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 12 [2025-03-17 14:59:14,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:14,863 INFO L225 Difference]: With dead ends: 789 [2025-03-17 14:59:14,863 INFO L226 Difference]: Without dead ends: 401 [2025-03-17 14:59:14,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 14:59:14,869 INFO L435 NwaCegarLoop]: 522 mSDtfsCounter, 0 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:14,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2075 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2025-03-17 14:59:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-17 14:59:14,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-03-17 14:59:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 281 states have (on average 1.405693950177936) internal successors, (395), 305 states have internal predecessors, (395), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-17 14:59:14,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 546 transitions. [2025-03-17 14:59:14,894 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 546 transitions. Word has length 12 [2025-03-17 14:59:14,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:14,894 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 546 transitions. [2025-03-17 14:59:14,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 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) [2025-03-17 14:59:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 546 transitions. [2025-03-17 14:59:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-17 14:59:14,895 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:14,895 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:14,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 14:59:15,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-17 14:59:15,096 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:59:15,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:15,097 INFO L85 PathProgramCache]: Analyzing trace with hash 11287229, now seen corresponding path program 1 times [2025-03-17 14:59:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:15,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578727427] [2025-03-17 14:59:15,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:15,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:16,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 14:59:16,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 14:59:16,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:16,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-17 14:59:17,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:17,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578727427] [2025-03-17 14:59:17,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578727427] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:17,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:17,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:59:17,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917555086] [2025-03-17 14:59:17,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:17,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:59:17,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:17,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:59:17,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:59:17,145 INFO L87 Difference]: Start difference. First operand 401 states and 546 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) [2025-03-17 14:59:17,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:17,931 INFO L93 Difference]: Finished difference Result 401 states and 546 transitions. [2025-03-17 14:59:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:59:17,931 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 15 [2025-03-17 14:59:17,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:17,933 INFO L225 Difference]: With dead ends: 401 [2025-03-17 14:59:17,933 INFO L226 Difference]: Without dead ends: 400 [2025-03-17 14:59:17,934 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 [2025-03-17 14:59:17,934 INFO L435 NwaCegarLoop]: 523 mSDtfsCounter, 0 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:17,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1043 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 14:59:17,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2025-03-17 14:59:17,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2025-03-17 14:59:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 281 states have (on average 1.402135231316726) internal successors, (394), 304 states have internal predecessors, (394), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-17 14:59:17,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 545 transitions. [2025-03-17 14:59:17,945 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 545 transitions. Word has length 15 [2025-03-17 14:59:17,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:17,946 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 545 transitions. [2025-03-17 14:59:17,946 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) [2025-03-17 14:59:17,946 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 545 transitions. [2025-03-17 14:59:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-17 14:59:17,946 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:17,946 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:17,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 14:59:17,947 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:59:17,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:17,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1250987803, now seen corresponding path program 2 times [2025-03-17 14:59:17,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:17,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748176523] [2025-03-17 14:59:17,947 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:59:17,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:19,677 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-03-17 14:59:19,719 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 18 statements. [2025-03-17 14:59:19,719 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:59:19,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 14:59:19,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:19,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748176523] [2025-03-17 14:59:19,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748176523] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:19,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:19,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:59:19,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679801198] [2025-03-17 14:59:19,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:19,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:59:19,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:19,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:59:19,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:59:19,948 INFO L87 Difference]: Start difference. First operand 400 states and 545 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2025-03-17 14:59:22,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:24,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:24,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:24,579 INFO L93 Difference]: Finished difference Result 400 states and 545 transitions. [2025-03-17 14:59:24,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:59:24,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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 18 [2025-03-17 14:59:24,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:24,581 INFO L225 Difference]: With dead ends: 400 [2025-03-17 14:59:24,582 INFO L226 Difference]: Without dead ends: 399 [2025-03-17 14:59:24,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:59:24,583 INFO L435 NwaCegarLoop]: 518 mSDtfsCounter, 1 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1549 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:24,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1549 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2025-03-17 14:59:24,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2025-03-17 14:59:24,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2025-03-17 14:59:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 281 states have (on average 1.398576512455516) internal successors, (393), 303 states have internal predecessors, (393), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-17 14:59:24,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 544 transitions. [2025-03-17 14:59:24,596 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 544 transitions. Word has length 18 [2025-03-17 14:59:24,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:24,596 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 544 transitions. [2025-03-17 14:59:24,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2025-03-17 14:59:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 544 transitions. [2025-03-17 14:59:24,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-17 14:59:24,597 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:24,597 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:24,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 14:59:24,597 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:59:24,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:24,598 INFO L85 PathProgramCache]: Analyzing trace with hash 125916826, now seen corresponding path program 1 times [2025-03-17 14:59:24,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:24,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377055328] [2025-03-17 14:59:24,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:24,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:26,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-17 14:59:26,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-17 14:59:26,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:26,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 14:59:26,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:26,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377055328] [2025-03-17 14:59:26,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377055328] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:26,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:26,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:59:26,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114646737] [2025-03-17 14:59:26,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:26,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:59:26,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:26,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:59:26,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:59:26,642 INFO L87 Difference]: Start difference. First operand 399 states and 544 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2025-03-17 14:59:28,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:29,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:29,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:29,229 INFO L93 Difference]: Finished difference Result 402 states and 547 transitions. [2025-03-17 14:59:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:59:29,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 19 [2025-03-17 14:59:29,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:29,232 INFO L225 Difference]: With dead ends: 402 [2025-03-17 14:59:29,232 INFO L226 Difference]: Without dead ends: 401 [2025-03-17 14:59:29,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:59:29,232 INFO L435 NwaCegarLoop]: 520 mSDtfsCounter, 0 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:29,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1552 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-03-17 14:59:29,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-17 14:59:29,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-03-17 14:59:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 283 states have (on average 1.3957597173144876) internal successors, (395), 305 states have internal predecessors, (395), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-17 14:59:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 546 transitions. [2025-03-17 14:59:29,250 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 546 transitions. Word has length 19 [2025-03-17 14:59:29,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:29,251 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 546 transitions. [2025-03-17 14:59:29,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2025-03-17 14:59:29,251 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 546 transitions. [2025-03-17 14:59:29,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-17 14:59:29,252 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:29,252 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:29,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 14:59:29,252 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:59:29,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:29,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1682310685, now seen corresponding path program 1 times [2025-03-17 14:59:29,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:29,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14115571] [2025-03-17 14:59:29,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:29,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:30,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 14:59:30,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 14:59:30,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:30,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 14:59:31,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:31,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14115571] [2025-03-17 14:59:31,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14115571] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:59:31,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613641098] [2025-03-17 14:59:31,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:31,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:31,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:31,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:59:31,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 14:59:33,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 14:59:33,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 14:59:33,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:33,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:33,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 5684 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 14:59:33,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:59:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 14:59:33,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:59:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 14:59:33,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613641098] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:59:33,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:59:33,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2025-03-17 14:59:33,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572352430] [2025-03-17 14:59:33,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:59:33,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-17 14:59:33,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:33,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-17 14:59:33,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2025-03-17 14:59:33,890 INFO L87 Difference]: Start difference. First operand 401 states and 546 transitions. Second operand has 19 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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) [2025-03-17 14:59:36,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:38,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:40,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:42,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:45,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 14:59:45,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:45,912 INFO L93 Difference]: Finished difference Result 798 states and 1090 transitions. [2025-03-17 14:59:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 14:59:45,913 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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 [2025-03-17 14:59:45,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:45,915 INFO L225 Difference]: With dead ends: 798 [2025-03-17 14:59:45,915 INFO L226 Difference]: Without dead ends: 410 [2025-03-17 14:59:45,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2025-03-17 14:59:45,916 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 0 mSDsluCounter, 3084 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3600 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:45,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3600 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2025-03-17 14:59:45,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-03-17 14:59:45,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2025-03-17 14:59:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 293 states have (on average 1.3754266211604096) internal successors, (403), 314 states have internal predecessors, (403), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-17 14:59:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 554 transitions. [2025-03-17 14:59:45,927 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 554 transitions. Word has length 22 [2025-03-17 14:59:45,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:45,928 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 554 transitions. [2025-03-17 14:59:45,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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) [2025-03-17 14:59:45,928 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 554 transitions. [2025-03-17 14:59:45,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 14:59:45,929 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:45,929 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:45,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 14:59:46,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:46,130 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:59:46,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:46,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1922847714, now seen corresponding path program 1 times [2025-03-17 14:59:46,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:46,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867318632] [2025-03-17 14:59:46,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:46,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:47,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 14:59:47,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 14:59:47,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:47,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-03-17 14:59:48,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:48,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867318632] [2025-03-17 14:59:48,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867318632] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:48,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:48,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:59:48,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477571566] [2025-03-17 14:59:48,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:48,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:59:48,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:48,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:59:48,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:59:48,296 INFO L87 Difference]: Start difference. First operand 410 states and 554 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 14:59:48,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:48,365 INFO L93 Difference]: Finished difference Result 718 states and 980 transitions. [2025-03-17 14:59:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:59:48,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2025-03-17 14:59:48,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:48,368 INFO L225 Difference]: With dead ends: 718 [2025-03-17 14:59:48,368 INFO L226 Difference]: Without dead ends: 714 [2025-03-17 14:59:48,369 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 [2025-03-17 14:59:48,369 INFO L435 NwaCegarLoop]: 550 mSDtfsCounter, 485 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:48,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 989 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:59:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-03-17 14:59:48,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 708. [2025-03-17 14:59:48,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 511 states have (on average 1.385518590998043) internal successors, (708), 536 states have internal predecessors, (708), 134 states have call successors, (134), 48 states have call predecessors, (134), 48 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2025-03-17 14:59:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 975 transitions. [2025-03-17 14:59:48,393 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 975 transitions. Word has length 46 [2025-03-17 14:59:48,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:48,395 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 975 transitions. [2025-03-17 14:59:48,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 14:59:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 975 transitions. [2025-03-17 14:59:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-17 14:59:48,397 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:48,397 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:48,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 14:59:48,397 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:59:48,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:48,398 INFO L85 PathProgramCache]: Analyzing trace with hash -811523825, now seen corresponding path program 1 times [2025-03-17 14:59:48,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:48,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115857951] [2025-03-17 14:59:48,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:48,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:50,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 14:59:50,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 14:59:50,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:50,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-03-17 14:59:50,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:50,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115857951] [2025-03-17 14:59:50,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115857951] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:50,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:50,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:59:50,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390497916] [2025-03-17 14:59:50,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:50,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:59:50,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:50,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:59:50,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:59:50,435 INFO L87 Difference]: Start difference. First operand 708 states and 975 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 14:59:50,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:50,476 INFO L93 Difference]: Finished difference Result 1375 states and 1901 transitions. [2025-03-17 14:59:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:59:50,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2025-03-17 14:59:50,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:50,479 INFO L225 Difference]: With dead ends: 1375 [2025-03-17 14:59:50,479 INFO L226 Difference]: Without dead ends: 706 [2025-03-17 14:59:50,481 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 [2025-03-17 14:59:50,481 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 514 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:50,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 516 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:59:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2025-03-17 14:59:50,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2025-03-17 14:59:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 510 states have (on average 1.380392156862745) internal successors, (704), 534 states have internal predecessors, (704), 134 states have call successors, (134), 48 states have call predecessors, (134), 48 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2025-03-17 14:59:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 971 transitions. [2025-03-17 14:59:50,504 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 971 transitions. Word has length 55 [2025-03-17 14:59:50,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:50,505 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 971 transitions. [2025-03-17 14:59:50,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 14:59:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 971 transitions. [2025-03-17 14:59:50,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-17 14:59:50,508 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:50,508 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:50,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 14:59:50,508 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:59:50,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:50,509 INFO L85 PathProgramCache]: Analyzing trace with hash -482461234, now seen corresponding path program 1 times [2025-03-17 14:59:50,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:50,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679863232] [2025-03-17 14:59:50,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:50,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:52,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-17 14:59:52,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-17 14:59:52,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:52,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-03-17 14:59:52,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:52,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679863232] [2025-03-17 14:59:52,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679863232] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:52,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:52,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:59:52,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272993738] [2025-03-17 14:59:52,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:52,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:59:52,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:52,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:59:52,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:59:52,612 INFO L87 Difference]: Start difference. First operand 706 states and 971 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 14:59:52,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:52,703 INFO L93 Difference]: Finished difference Result 1639 states and 2272 transitions. [2025-03-17 14:59:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:59:52,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 74 [2025-03-17 14:59:52,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:52,708 INFO L225 Difference]: With dead ends: 1639 [2025-03-17 14:59:52,708 INFO L226 Difference]: Without dead ends: 1002 [2025-03-17 14:59:52,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 14:59:52,711 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 430 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:52,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1558 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:59:52,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2025-03-17 14:59:52,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 996. [2025-03-17 14:59:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 724 states have (on average 1.3839779005524862) internal successors, (1002), 751 states have internal predecessors, (1002), 191 states have call successors, (191), 69 states have call predecessors, (191), 69 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2025-03-17 14:59:52,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1383 transitions. [2025-03-17 14:59:52,744 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1383 transitions. Word has length 74 [2025-03-17 14:59:52,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:52,746 INFO L471 AbstractCegarLoop]: Abstraction has 996 states and 1383 transitions. [2025-03-17 14:59:52,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 14:59:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1383 transitions. [2025-03-17 14:59:52,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-17 14:59:52,747 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:52,747 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:52,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 14:59:52,747 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 14:59:52,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:52,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1366589216, now seen corresponding path program 1 times [2025-03-17 14:59:52,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:52,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794858958] [2025-03-17 14:59:52,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:52,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:54,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-17 14:59:54,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 14:59:54,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:54,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 14:59:55,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:55,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794858958] [2025-03-17 14:59:55,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794858958] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:59:55,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281679360] [2025-03-17 14:59:55,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:55,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:55,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:55,559 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:59:55,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 14:59:57,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-17 14:59:58,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 14:59:58,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:58,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:58,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 5931 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 14:59:58,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:59:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 14:59:58,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:59:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 14:59:58,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281679360] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:59:58,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:59:58,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-03-17 14:59:58,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139759076] [2025-03-17 14:59:58,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:59:58,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 14:59:58,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:58,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 14:59:58,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-03-17 14:59:58,409 INFO L87 Difference]: Start difference. First operand 996 states and 1383 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-17 14:59:59,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 15:00:02,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 15:00:05,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 15:00:06,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 15:00:07,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:00:07,099 INFO L93 Difference]: Finished difference Result 1976 states and 2751 transitions. [2025-03-17 15:00:07,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-17 15:00:07,100 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 83 [2025-03-17 15:00:07,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:00:07,105 INFO L225 Difference]: With dead ends: 1976 [2025-03-17 15:00:07,105 INFO L226 Difference]: Without dead ends: 1005 [2025-03-17 15:00:07,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 149 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:00:07,108 INFO L435 NwaCegarLoop]: 513 mSDtfsCounter, 0 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3062 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:00:07,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3062 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2025-03-17 15:00:07,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2025-03-17 15:00:07,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 1005. [2025-03-17 15:00:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 733 states have (on average 1.379263301500682) internal successors, (1011), 760 states have internal predecessors, (1011), 191 states have call successors, (191), 69 states have call predecessors, (191), 69 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2025-03-17 15:00:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1392 transitions. [2025-03-17 15:00:07,140 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1392 transitions. Word has length 83 [2025-03-17 15:00:07,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:00:07,141 INFO L471 AbstractCegarLoop]: Abstraction has 1005 states and 1392 transitions. [2025-03-17 15:00:07,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-17 15:00:07,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1392 transitions. [2025-03-17 15:00:07,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-17 15:00:07,143 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:00:07,143 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:00:07,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 15:00:07,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:00:07,344 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 15:00:07,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:00:07,345 INFO L85 PathProgramCache]: Analyzing trace with hash 720603171, now seen corresponding path program 2 times [2025-03-17 15:00:07,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:00:07,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236228205] [2025-03-17 15:00:07,345 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:00:07,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:00:09,106 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 92 statements into 2 equivalence classes. [2025-03-17 15:00:09,141 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 34 of 92 statements. [2025-03-17 15:00:09,141 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:00:09,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:00:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2025-03-17 15:00:09,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:00:09,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236228205] [2025-03-17 15:00:09,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236228205] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:00:09,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:00:09,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:00:09,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819156465] [2025-03-17 15:00:09,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:00:09,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:00:09,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:00:09,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:00:09,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:00:09,374 INFO L87 Difference]: Start difference. First operand 1005 states and 1392 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:00:10,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 15:00:10,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:00:10,931 INFO L93 Difference]: Finished difference Result 1029 states and 1409 transitions. [2025-03-17 15:00:10,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:00:10,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2025-03-17 15:00:10,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:00:10,935 INFO L225 Difference]: With dead ends: 1029 [2025-03-17 15:00:10,936 INFO L226 Difference]: Without dead ends: 729 [2025-03-17 15:00:10,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:00:10,937 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 0 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:00:10,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1542 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-17 15:00:10,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2025-03-17 15:00:10,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2025-03-17 15:00:10,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 532 states have (on average 1.3590225563909775) internal successors, (723), 554 states have internal predecessors, (723), 134 states have call successors, (134), 51 states have call predecessors, (134), 51 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2025-03-17 15:00:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 990 transitions. [2025-03-17 15:00:10,960 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 990 transitions. Word has length 92 [2025-03-17 15:00:10,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:00:10,961 INFO L471 AbstractCegarLoop]: Abstraction has 729 states and 990 transitions. [2025-03-17 15:00:10,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:00:10,961 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 990 transitions. [2025-03-17 15:00:10,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 15:00:10,964 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:00:10,964 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:00:10,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 15:00:10,964 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 15:00:10,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:00:10,964 INFO L85 PathProgramCache]: Analyzing trace with hash 480625838, now seen corresponding path program 1 times [2025-03-17 15:00:10,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:00:10,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987380776] [2025-03-17 15:00:10,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:00:10,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:00:12,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:00:12,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:00:12,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:00:12,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:00:13,207 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2025-03-17 15:00:13,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:00:13,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987380776] [2025-03-17 15:00:13,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987380776] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:00:13,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:00:13,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:00:13,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330502740] [2025-03-17 15:00:13,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:00:13,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:00:13,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:00:13,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:00:13,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:00:13,209 INFO L87 Difference]: Start difference. First operand 729 states and 990 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:00:13,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:00:13,288 INFO L93 Difference]: Finished difference Result 1659 states and 2238 transitions. [2025-03-17 15:00:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:00:13,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 96 [2025-03-17 15:00:13,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:00:13,294 INFO L225 Difference]: With dead ends: 1659 [2025-03-17 15:00:13,294 INFO L226 Difference]: Without dead ends: 1012 [2025-03-17 15:00:13,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:00:13,296 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 229 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:00:13,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 1576 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:00:13,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2025-03-17 15:00:13,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1006. [2025-03-17 15:00:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 723 states have (on average 1.322268326417704) internal successors, (956), 746 states have internal predecessors, (956), 190 states have call successors, (190), 83 states have call predecessors, (190), 83 states have return successors, (188), 188 states have call predecessors, (188), 187 states have call successors, (188) [2025-03-17 15:00:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1334 transitions. [2025-03-17 15:00:13,327 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1334 transitions. Word has length 96 [2025-03-17 15:00:13,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:00:13,327 INFO L471 AbstractCegarLoop]: Abstraction has 1006 states and 1334 transitions. [2025-03-17 15:00:13,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:00:13,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1334 transitions. [2025-03-17 15:00:13,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-17 15:00:13,329 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:00:13,329 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:00:13,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 15:00:13,330 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2025-03-17 15:00:13,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:00:13,330 INFO L85 PathProgramCache]: Analyzing trace with hash 728778827, now seen corresponding path program 1 times [2025-03-17 15:00:13,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:00:13,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125233787] [2025-03-17 15:00:13,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:00:13,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:00:15,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-17 15:00:15,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-17 15:00:15,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:00:15,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat