./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 05:04:38,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 05:04:38,393 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 05:04:38,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 05:04:38,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 05:04:38,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 05:04:38,431 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 05:04:38,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 05:04:38,432 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 05:04:38,433 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 05:04:38,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 05:04:38,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 05:04:38,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 05:04:38,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 05:04:38,437 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 05:04:38,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 05:04:38,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 05:04:38,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 05:04:38,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 05:04:38,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 05:04:38,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 05:04:38,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 05:04:38,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 05:04:38,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 05:04:38,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 05:04:38,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 05:04:38,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 05:04:38,443 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 05:04:38,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 05:04:38,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 05:04:38,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 05:04:38,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:04:38,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 05:04:38,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 05:04:38,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 05:04:38,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 05:04:38,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 05:04:38,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 05:04:38,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 05:04:38,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 05:04:38,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 05:04:38,447 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf [2024-11-17 05:04:38,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 05:04:38,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 05:04:38,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 05:04:38,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 05:04:38,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 05:04:38,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-17 05:04:40,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 05:04:40,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 05:04:40,589 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-17 05:04:40,624 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee12c7b6a/87417547131547cd8655f67c89061329/FLAGb8d8ed4c4 [2024-11-17 05:04:40,644 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee12c7b6a/87417547131547cd8655f67c89061329 [2024-11-17 05:04:40,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 05:04:40,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 05:04:40,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 05:04:40,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 05:04:40,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 05:04:40,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:04:40" (1/1) ... [2024-11-17 05:04:40,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:40, skipping insertion in model container [2024-11-17 05:04:40,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:04:40" (1/1) ... [2024-11-17 05:04:40,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 05:04:41,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:04:41,377 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 05:04:41,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:04:41,562 INFO L204 MainTranslator]: Completed translation [2024-11-17 05:04:41,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41 WrapperNode [2024-11-17 05:04:41,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 05:04:41,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 05:04:41,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 05:04:41,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 05:04:41,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,674 INFO L138 Inliner]: procedures = 100, calls = 349, calls flagged for inlining = 41, calls inlined = 33, statements flattened = 825 [2024-11-17 05:04:41,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 05:04:41,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 05:04:41,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 05:04:41,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 05:04:41,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,701 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,810 INFO L175 MemorySlicer]: Split 228 memory accesses to 6 slices as follows [2, 12, 14, 65, 103, 32]. 45 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 0, 0, 0, 10, 0]. The 204 writes are split as follows [0, 12, 2, 65, 93, 32]. [2024-11-17 05:04:41,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,845 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 05:04:41,865 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 05:04:41,865 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 05:04:41,865 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 05:04:41,868 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (1/1) ... [2024-11-17 05:04:41,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:04:41,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:04:41,905 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) [2024-11-17 05:04:41,907 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 [2024-11-17 05:04:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-17 05:04:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-17 05:04:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-17 05:04:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-17 05:04:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-17 05:04:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-17 05:04:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2024-11-17 05:04:41,978 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2024-11-17 05:04:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-17 05:04:41,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-17 05:04:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-17 05:04:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-17 05:04:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-17 05:04:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-17 05:04:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-17 05:04:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2024-11-17 05:04:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2024-11-17 05:04:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 05:04:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-17 05:04:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-17 05:04:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 05:04:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 05:04:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 05:04:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 05:04:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-17 05:04:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-17 05:04:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-17 05:04:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 05:04:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 05:04:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 05:04:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 05:04:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 05:04:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-17 05:04:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-17 05:04:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2024-11-17 05:04:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2024-11-17 05:04:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 05:04:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-17 05:04:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-17 05:04:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-17 05:04:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-17 05:04:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 05:04:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 05:04:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 05:04:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 05:04:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-17 05:04:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-17 05:04:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-17 05:04:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-17 05:04:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 05:04:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 05:04:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-17 05:04:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-17 05:04:42,265 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 05:04:42,268 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 05:04:42,302 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3205: havoc #t~nondet122; [2024-11-17 05:04:42,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3201: havoc #t~ret121.base, #t~ret121.offset; [2024-11-17 05:04:42,346 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3150: havoc #t~nondet109; [2024-11-17 05:04:47,703 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2249: havoc i2c_check_functionality_#t~bitwise40#1; [2024-11-17 05:04:47,703 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2300: call ULTIMATE.dealloc(isl6271a_probe_~#config~0#1.base, isl6271a_probe_~#config~0#1.offset);havoc isl6271a_probe_~#config~0#1.base, isl6271a_probe_~#config~0#1.offset;call ULTIMATE.dealloc(isl6271a_probe_~#__key~0#1.base, isl6271a_probe_~#__key~0#1.offset);havoc isl6271a_probe_~#__key~0#1.base, isl6271a_probe_~#__key~0#1.offset; [2024-11-17 05:04:47,703 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3209: havoc regulator_map_voltage_linear_#t~nondet123#1; [2024-11-17 05:04:47,703 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3212: havoc regulator_register_#t~ret124#1.base, regulator_register_#t~ret124#1.offset; [2024-11-17 05:04:47,703 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3180: havoc i2c_register_driver_#t~nondet117#1; [2024-11-17 05:04:47,704 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3166: havoc dev_get_drvdata_#t~ret114#1.base, dev_get_drvdata_#t~ret114#1.offset; [2024-11-17 05:04:47,704 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3184: havoc i2c_smbus_read_byte_#t~nondet118#1; [2024-11-17 05:04:47,704 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3170: havoc dev_set_drvdata_#t~nondet115#1; [2024-11-17 05:04:47,704 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc i2c_smbus_write_byte_#t~nondet119#1; [2024-11-17 05:04:47,704 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3173: havoc devm_kzalloc_#t~ret116#1.base, devm_kzalloc_#t~ret116#1.offset; [2024-11-17 05:04:47,832 INFO L? ?]: Removed 269 outVars from TransFormulas that were not future-live. [2024-11-17 05:04:47,832 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 05:04:47,863 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 05:04:47,863 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 05:04:47,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:04:47 BoogieIcfgContainer [2024-11-17 05:04:47,866 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 05:04:47,867 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 05:04:47,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 05:04:47,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 05:04:47,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:04:40" (1/3) ... [2024-11-17 05:04:47,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398d5c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:04:47, skipping insertion in model container [2024-11-17 05:04:47,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:04:41" (2/3) ... [2024-11-17 05:04:47,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398d5c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:04:47, skipping insertion in model container [2024-11-17 05:04:47,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:04:47" (3/3) ... [2024-11-17 05:04:47,876 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-17 05:04:47,892 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 05:04:47,892 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-17 05:04:47,968 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 05:04:47,976 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;@15599e5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 05:04:47,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-17 05:04:47,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 220 states, 169 states have (on average 1.378698224852071) internal successors, (233), 186 states have internal predecessors, (233), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-17 05:04:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 05:04:47,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:47,995 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:04:48,027 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 05:04:48,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:48,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1116467956, now seen corresponding path program 1 times [2024-11-17 05:04:48,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:48,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868422994] [2024-11-17 05:04:48,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:48,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:51,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:04:51,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:51,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868422994] [2024-11-17 05:04:51,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868422994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:04:51,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:04:51,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 05:04:51,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445308033] [2024-11-17 05:04:51,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:04:51,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:04:51,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:04:51,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:04:51,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:04:51,867 INFO L87 Difference]: Start difference. First operand has 220 states, 169 states have (on average 1.378698224852071) internal successors, (233), 186 states have internal predecessors, (233), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:04:52,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:04:52,146 INFO L93 Difference]: Finished difference Result 564 states and 775 transitions. [2024-11-17 05:04:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:04:52,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-17 05:04:52,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:04:52,162 INFO L225 Difference]: With dead ends: 564 [2024-11-17 05:04:52,162 INFO L226 Difference]: Without dead ends: 309 [2024-11-17 05:04:52,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:04:52,175 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 169 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 05:04:52,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 567 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 05:04:52,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-17 05:04:52,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2024-11-17 05:04:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 241 states have (on average 1.3402489626556016) internal successors, (323), 251 states have internal predecessors, (323), 39 states have call successors, (39), 19 states have call predecessors, (39), 19 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-17 05:04:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 401 transitions. [2024-11-17 05:04:52,258 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 401 transitions. Word has length 17 [2024-11-17 05:04:52,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:04:52,259 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 401 transitions. [2024-11-17 05:04:52,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:04:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 401 transitions. [2024-11-17 05:04:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 05:04:52,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:52,263 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 05:04:52,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 05:04:52,264 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 05:04:52,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash -708372638, now seen corresponding path program 1 times [2024-11-17 05:04:52,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:52,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029192049] [2024-11-17 05:04:52,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:52,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 05:04:55,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:55,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029192049] [2024-11-17 05:04:55,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029192049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:04:55,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:04:55,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 05:04:55,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189803943] [2024-11-17 05:04:55,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:04:55,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:04:55,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:04:55,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:04:55,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:04:55,374 INFO L87 Difference]: Start difference. First operand 309 states and 401 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:04:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:04:55,717 INFO L93 Difference]: Finished difference Result 615 states and 799 transitions. [2024-11-17 05:04:55,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:04:55,718 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-17 05:04:55,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:04:55,726 INFO L225 Difference]: With dead ends: 615 [2024-11-17 05:04:55,726 INFO L226 Difference]: Without dead ends: 611 [2024-11-17 05:04:55,726 INFO L431 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 [2024-11-17 05:04:55,727 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 222 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 05:04:55,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 487 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 05:04:55,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-11-17 05:04:55,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 603. [2024-11-17 05:04:55,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 477 states have (on average 1.3354297693920336) internal successors, (637), 488 states have internal predecessors, (637), 78 states have call successors, (78), 38 states have call predecessors, (78), 38 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 05:04:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 793 transitions. [2024-11-17 05:04:55,784 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 793 transitions. Word has length 30 [2024-11-17 05:04:55,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:04:55,785 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 793 transitions. [2024-11-17 05:04:55,786 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:04:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 793 transitions. [2024-11-17 05:04:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 05:04:55,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:55,789 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 05:04:55,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 05:04:55,790 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 05:04:55,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:55,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1652920821, now seen corresponding path program 1 times [2024-11-17 05:04:55,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:55,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423349195] [2024-11-17 05:04:55,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:58,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 05:04:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:58,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 05:04:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:04:58,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:58,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423349195] [2024-11-17 05:04:58,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423349195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:04:58,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:04:58,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 05:04:58,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009693894] [2024-11-17 05:04:58,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:04:58,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 05:04:58,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:04:58,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 05:04:58,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 05:04:58,350 INFO L87 Difference]: Start difference. First operand 603 states and 793 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 05:05:02,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:05:06,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:05:09,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:05:09,359 INFO L93 Difference]: Finished difference Result 1334 states and 1759 transitions. [2024-11-17 05:05:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 05:05:09,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-11-17 05:05:09,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:05:09,366 INFO L225 Difference]: With dead ends: 1334 [2024-11-17 05:05:09,368 INFO L226 Difference]: Without dead ends: 734 [2024-11-17 05:05:09,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:05:09,371 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 229 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 30 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-17 05:05:09,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 755 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 143 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2024-11-17 05:05:09,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-17 05:05:09,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 709. [2024-11-17 05:05:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 559 states have (on average 1.3309481216457961) internal successors, (744), 570 states have internal predecessors, (744), 92 states have call successors, (92), 48 states have call predecessors, (92), 48 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-17 05:05:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 928 transitions. [2024-11-17 05:05:09,412 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 928 transitions. Word has length 38 [2024-11-17 05:05:09,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:05:09,413 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 928 transitions. [2024-11-17 05:05:09,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 05:05:09,413 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 928 transitions. [2024-11-17 05:05:09,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-17 05:05:09,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:05:09,416 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:05:09,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 05:05:09,417 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 05:05:09,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:05:09,417 INFO L85 PathProgramCache]: Analyzing trace with hash 676526162, now seen corresponding path program 1 times [2024-11-17 05:05:09,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:05:09,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082093164] [2024-11-17 05:05:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:05:09,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:05:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 05:05:11,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:05:11,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082093164] [2024-11-17 05:05:11,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082093164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:05:11,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:05:11,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 05:05:11,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269083845] [2024-11-17 05:05:11,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:05:11,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 05:05:11,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:05:11,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 05:05:11,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 05:05:11,953 INFO L87 Difference]: Start difference. First operand 709 states and 928 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:05:15,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:05:16,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:05:16,867 INFO L93 Difference]: Finished difference Result 1478 states and 1932 transitions. [2024-11-17 05:05:16,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 05:05:16,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-11-17 05:05:16,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:05:16,877 INFO L225 Difference]: With dead ends: 1478 [2024-11-17 05:05:16,878 INFO L226 Difference]: Without dead ends: 1049 [2024-11-17 05:05:16,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:05:16,881 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 219 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-17 05:05:16,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 1178 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-17 05:05:16,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2024-11-17 05:05:16,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 713. [2024-11-17 05:05:16,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 563 states have (on average 1.3285968028419184) internal successors, (748), 574 states have internal predecessors, (748), 92 states have call successors, (92), 48 states have call predecessors, (92), 48 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-17 05:05:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 932 transitions. [2024-11-17 05:05:16,934 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 932 transitions. Word has length 48 [2024-11-17 05:05:16,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:05:16,936 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 932 transitions. [2024-11-17 05:05:16,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:05:16,937 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 932 transitions. [2024-11-17 05:05:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 05:05:16,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:05:16,941 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:05:16,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 05:05:16,941 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 05:05:16,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:05:16,944 INFO L85 PathProgramCache]: Analyzing trace with hash 467642493, now seen corresponding path program 1 times [2024-11-17 05:05:16,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:05:16,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28232533] [2024-11-17 05:05:16,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:05:16,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:05:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:19,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-17 05:05:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:19,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 05:05:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:19,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 05:05:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 05:05:19,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:05:19,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28232533] [2024-11-17 05:05:19,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28232533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:05:19,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:05:19,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 05:05:19,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738224673] [2024-11-17 05:05:19,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:05:19,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 05:05:19,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:05:19,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 05:05:19,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 05:05:19,404 INFO L87 Difference]: Start difference. First operand 713 states and 932 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 05:05:23,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:05:25,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:05:25,897 INFO L93 Difference]: Finished difference Result 1381 states and 1816 transitions. [2024-11-17 05:05:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 05:05:25,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-11-17 05:05:25,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:05:25,903 INFO L225 Difference]: With dead ends: 1381 [2024-11-17 05:05:25,903 INFO L226 Difference]: Without dead ends: 782 [2024-11-17 05:05:25,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 05:05:25,905 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 36 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-17 05:05:25,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 580 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 138 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2024-11-17 05:05:25,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-17 05:05:25,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 753. [2024-11-17 05:05:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 597 states have (on average 1.3132328308207706) internal successors, (784), 608 states have internal predecessors, (784), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-17 05:05:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 980 transitions. [2024-11-17 05:05:25,945 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 980 transitions. Word has length 57 [2024-11-17 05:05:25,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:05:25,946 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 980 transitions. [2024-11-17 05:05:25,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 05:05:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 980 transitions. [2024-11-17 05:05:25,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-17 05:05:25,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:05:25,950 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:05:25,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 05:05:25,951 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 05:05:25,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:05:25,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1545471212, now seen corresponding path program 1 times [2024-11-17 05:05:25,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:05:25,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201114939] [2024-11-17 05:05:25,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:05:25,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:05:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:28,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-17 05:05:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:28,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 05:05:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:28,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 05:05:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 05:05:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 05:05:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:28,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 05:05:28,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:05:28,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201114939] [2024-11-17 05:05:28,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201114939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:05:28,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:05:28,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 05:05:28,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137524111] [2024-11-17 05:05:28,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:05:28,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 05:05:28,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:05:28,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 05:05:28,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:05:28,390 INFO L87 Difference]: Start difference. First operand 753 states and 980 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-17 05:05:32,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:05:35,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:05:35,738 INFO L93 Difference]: Finished difference Result 1423 states and 1856 transitions. [2024-11-17 05:05:35,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 05:05:35,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 75 [2024-11-17 05:05:35,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:05:35,743 INFO L225 Difference]: With dead ends: 1423 [2024-11-17 05:05:35,743 INFO L226 Difference]: Without dead ends: 784 [2024-11-17 05:05:35,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:05:35,746 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 30 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 26 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-17 05:05:35,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 769 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 205 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2024-11-17 05:05:35,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-17 05:05:35,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 757. [2024-11-17 05:05:35,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 601 states have (on average 1.3111480865224625) internal successors, (788), 612 states have internal predecessors, (788), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-17 05:05:35,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 984 transitions. [2024-11-17 05:05:35,788 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 984 transitions. Word has length 75 [2024-11-17 05:05:35,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:05:35,789 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 984 transitions. [2024-11-17 05:05:35,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-17 05:05:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 984 transitions. [2024-11-17 05:05:35,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-17 05:05:35,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:05:35,792 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:05:35,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 05:05:35,793 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 05:05:35,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:05:35,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1074087629, now seen corresponding path program 1 times [2024-11-17 05:05:35,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:05:35,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143529988] [2024-11-17 05:05:35,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:05:35,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:05:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:38,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-17 05:05:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:38,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 05:05:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:38,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 05:05:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:38,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 05:05:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:38,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 05:05:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:38,533 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 05:05:38,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:05:38,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143529988] [2024-11-17 05:05:38,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143529988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:05:38,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586186851] [2024-11-17 05:05:38,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:05:38,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:05:38,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:05:38,539 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) [2024-11-17 05:05:38,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 05:05:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:41,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 2478 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 05:05:41,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:05:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 05:05:42,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:05:42,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586186851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:05:42,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 05:05:42,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-17 05:05:42,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24477149] [2024-11-17 05:05:42,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:05:42,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 05:05:42,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:05:42,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 05:05:42,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 05:05:42,062 INFO L87 Difference]: Start difference. First operand 757 states and 984 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-17 05:05:43,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:05:43,077 INFO L93 Difference]: Finished difference Result 1410 states and 1837 transitions. [2024-11-17 05:05:43,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 05:05:43,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 79 [2024-11-17 05:05:43,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:05:43,083 INFO L225 Difference]: With dead ends: 1410 [2024-11-17 05:05:43,083 INFO L226 Difference]: Without dead ends: 767 [2024-11-17 05:05:43,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 05:05:43,085 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 18 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 05:05:43,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 701 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 05:05:43,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2024-11-17 05:05:43,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 765. [2024-11-17 05:05:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 611 states have (on average 1.2995090016366613) internal successors, (794), 618 states have internal predecessors, (794), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-17 05:05:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 990 transitions. [2024-11-17 05:05:43,115 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 990 transitions. Word has length 79 [2024-11-17 05:05:43,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:05:43,116 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 990 transitions. [2024-11-17 05:05:43,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-17 05:05:43,117 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 990 transitions. [2024-11-17 05:05:43,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-17 05:05:43,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:05:43,119 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:05:43,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 05:05:43,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:05:43,320 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 05:05:43,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:05:43,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1063021602, now seen corresponding path program 1 times [2024-11-17 05:05:43,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:05:43,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593061496] [2024-11-17 05:05:43,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:05:43,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:05:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:45,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-17 05:05:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:45,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 05:05:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:45,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 05:05:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:45,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 05:05:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:45,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 05:05:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-17 05:05:45,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:05:45,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593061496] [2024-11-17 05:05:45,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593061496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:05:45,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:05:45,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 05:05:45,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191110540] [2024-11-17 05:05:45,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:05:45,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 05:05:45,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:05:45,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 05:05:45,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 05:05:45,689 INFO L87 Difference]: Start difference. First operand 765 states and 990 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 05:05:49,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:05:52,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:05:52,221 INFO L93 Difference]: Finished difference Result 790 states and 1027 transitions. [2024-11-17 05:05:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 05:05:52,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2024-11-17 05:05:52,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:05:52,228 INFO L225 Difference]: With dead ends: 790 [2024-11-17 05:05:52,228 INFO L226 Difference]: Without dead ends: 788 [2024-11-17 05:05:52,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 05:05:52,230 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 39 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-17 05:05:52,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 555 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-17 05:05:52,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-17 05:05:52,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 759. [2024-11-17 05:05:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 607 states have (on average 1.2915980230642503) internal successors, (784), 612 states have internal predecessors, (784), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-17 05:05:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 980 transitions. [2024-11-17 05:05:52,269 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 980 transitions. Word has length 80 [2024-11-17 05:05:52,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:05:52,270 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 980 transitions. [2024-11-17 05:05:52,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 05:05:52,270 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 980 transitions. [2024-11-17 05:05:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-17 05:05:52,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:05:52,273 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:05:52,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 05:05:52,274 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 05:05:52,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:05:52,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1581685213, now seen corresponding path program 1 times [2024-11-17 05:05:52,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:05:52,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293969380] [2024-11-17 05:05:52,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:05:52,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:05:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:54,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-17 05:05:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:54,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 05:05:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:54,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 05:05:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:54,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 05:05:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 05:05:54,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:05:54,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293969380] [2024-11-17 05:05:54,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293969380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:05:54,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383468756] [2024-11-17 05:05:54,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:05:54,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:05:54,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:05:54,707 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) [2024-11-17 05:05:54,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 05:05:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:05:57,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 2496 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 05:05:57,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:05:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-17 05:05:57,610 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:05:57,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383468756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:05:57,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 05:05:57,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-17 05:05:57,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538774085] [2024-11-17 05:05:57,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:05:57,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:05:57,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:05:57,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:05:57,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 05:05:57,613 INFO L87 Difference]: Start difference. First operand 759 states and 980 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 05:05:57,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:05:57,950 INFO L93 Difference]: Finished difference Result 1216 states and 1573 transitions. [2024-11-17 05:05:57,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:05:57,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 90 [2024-11-17 05:05:57,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:05:57,955 INFO L225 Difference]: With dead ends: 1216 [2024-11-17 05:05:57,955 INFO L226 Difference]: Without dead ends: 766 [2024-11-17 05:05:57,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 05:05:57,959 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 4 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 05:05:57,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 483 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 05:05:57,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-17 05:05:57,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 765. [2024-11-17 05:05:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 612 states have (on average 1.2908496732026145) internal successors, (790), 617 states have internal predecessors, (790), 99 states have call successors, (99), 48 states have call predecessors, (99), 48 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-17 05:05:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 988 transitions. [2024-11-17 05:05:57,988 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 988 transitions. Word has length 90 [2024-11-17 05:05:57,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:05:57,988 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 988 transitions. [2024-11-17 05:05:57,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 05:05:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 988 transitions. [2024-11-17 05:05:57,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-17 05:05:57,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:05:57,991 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:05:58,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 05:05:58,192 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,SelfDestructingSolverStorable8 [2024-11-17 05:05:58,193 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 05:05:58,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:05:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash -481751930, now seen corresponding path program 1 times [2024-11-17 05:05:58,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:05:58,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610500720] [2024-11-17 05:05:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:05:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:06:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:06:00,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-17 05:06:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:06:00,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 05:06:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:06:00,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 05:06:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:06:00,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 05:06:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:06:00,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-17 05:06:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:06:00,714 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 05:06:00,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:06:00,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610500720] [2024-11-17 05:06:00,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610500720] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:06:00,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672360799] [2024-11-17 05:06:00,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:06:00,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:06:00,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:06:00,717 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) [2024-11-17 05:06:00,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process