./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 c7c6ca5d 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-?-c7c6ca5-m [2024-11-09 12:21:06,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:21:06,711 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 12:21:06,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:21:06,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:21:06,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:21:06,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:21:06,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:21:06,749 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:21:06,750 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:21:06,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:21:06,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:21:06,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:21:06,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:21:06,753 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:21:06,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:21:06,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:21:06,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:21:06,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:21:06,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:21:06,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:21:06,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:21:06,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:21:06,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:21:06,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:21:06,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:21:06,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:21:06,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:21:06,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:21:06,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:21:06,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:21:06,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:21:06,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:21:06,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:21:06,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:21:06,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:21:06,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:21:06,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:21:06,762 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:21:06,762 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:21:06,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:21:06,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf [2024-11-09 12:21:07,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:21:07,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:21:07,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:21:07,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:21:07,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:21:07,083 INFO L431 ainManager$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 [2024-11-09 12:21:08,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:21:09,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:21:09,245 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 [2024-11-09 12:21:09,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ca88de7/eea9d167db484f1dac63f14b6a3576de/FLAG4df81ba0e [2024-11-09 12:21:09,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ca88de7/eea9d167db484f1dac63f14b6a3576de [2024-11-09 12:21:09,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:21:09,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:21:09,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:21:09,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:21:09,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:21:09,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:09" (1/1) ... [2024-11-09 12:21:09,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce60134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:09, skipping insertion in model container [2024-11-09 12:21:09,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:09" (1/1) ... [2024-11-09 12:21:09,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:21:10,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:21:10,452 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:21:10,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:21:10,803 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:21:10,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10 WrapperNode [2024-11-09 12:21:10,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:21:10,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:21:10,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:21:10,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:21:10,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:10,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:10,923 INFO L138 Inliner]: procedures = 100, calls = 349, calls flagged for inlining = 41, calls inlined = 33, statements flattened = 825 [2024-11-09 12:21:10,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:21:10,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:21:10,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:21:10,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:21:10,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:10,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:10,981 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:11,053 INFO L175 MemorySlicer]: Split 228 memory accesses to 6 slices as follows [2, 14, 12, 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, 2, 12, 65, 93, 32]. [2024-11-09 12:21:11,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:11,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:11,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:11,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:11,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:11,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:11,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:21:11,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:21:11,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:21:11,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:21:11,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (1/1) ... [2024-11-09 12:21:11,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:21:11,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:21:11,158 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) [2024-11-09 12:21:11,176 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 [2024-11-09 12:21:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 12:21:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 12:21:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 12:21:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 12:21:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 12:21:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 12:21:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2024-11-09 12:21:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2024-11-09 12:21:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 12:21:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 12:21:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 12:21:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 12:21:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 12:21:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 12:21:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 12:21:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 12:21:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 12:21:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 12:21:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 12:21:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 12:21:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 12:21:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 12:21:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 12:21:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 12:21:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 12:21:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 12:21:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2024-11-09 12:21:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2024-11-09 12:21:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 12:21:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 12:21:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 12:21:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:21:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 12:21:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 12:21:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 12:21:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 12:21:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 12:21:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 12:21:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 12:21:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 12:21:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 12:21:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 12:21:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 12:21:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 12:21:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 12:21:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2024-11-09 12:21:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2024-11-09 12:21:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 12:21:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-09 12:21:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-09 12:21:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 12:21:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 12:21:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:21:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 12:21:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 12:21:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 12:21:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 12:21:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 12:21:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-09 12:21:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-09 12:21:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:21:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:21:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 12:21:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 12:21:11,636 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:21:11,638 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:21:19,543 INFO L? ?]: Removed 269 outVars from TransFormulas that were not future-live. [2024-11-09 12:21:19,543 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:21:19,572 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:21:19,573 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 12:21:19,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:19 BoogieIcfgContainer [2024-11-09 12:21:19,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:21:19,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:21:19,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:21:19,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:21:19,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:21:09" (1/3) ... [2024-11-09 12:21:19,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c12e74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:21:19, skipping insertion in model container [2024-11-09 12:21:19,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:10" (2/3) ... [2024-11-09 12:21:19,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c12e74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:21:19, skipping insertion in model container [2024-11-09 12:21:19,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:19" (3/3) ... [2024-11-09 12:21:19,587 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-09 12:21:19,614 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:21:19,614 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-09 12:21:19,682 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:21:19,689 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;@34c46a5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:21:19,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-09 12:21:19,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 205 states, 154 states have (on average 1.4155844155844155) internal successors, (218), 171 states have internal predecessors, (218), 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) [2024-11-09 12:21:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 12:21:19,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:21:19,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:21:19,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:21:19,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:21:19,714 INFO L85 PathProgramCache]: Analyzing trace with hash 330326288, now seen corresponding path program 1 times [2024-11-09 12:21:19,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:21:19,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213316189] [2024-11-09 12:21:19,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:21:19,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:21:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:21:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:21:23,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:21:23,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213316189] [2024-11-09 12:21:23,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213316189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:21:23,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:21:23,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:21:23,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414450080] [2024-11-09 12:21:23,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:21:23,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:21:23,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:21:23,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:21:23,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:21:23,836 INFO L87 Difference]: Start difference. First operand has 205 states, 154 states have (on average 1.4155844155844155) internal successors, (218), 171 states have internal predecessors, (218), 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) [2024-11-09 12:21:24,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:21:24,141 INFO L93 Difference]: Finished difference Result 530 states and 741 transitions. [2024-11-09 12:21:24,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:21:24,151 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 [2024-11-09 12:21:24,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:21:24,167 INFO L225 Difference]: With dead ends: 530 [2024-11-09 12:21:24,168 INFO L226 Difference]: Without dead ends: 290 [2024-11-09 12:21:24,172 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 [2024-11-09 12:21:24,176 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 165 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:21:24,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 519 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:21:24,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-09 12:21:24,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-09 12:21:24,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 222 states have (on average 1.3693693693693694) internal successors, (304), 232 states have internal predecessors, (304), 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) [2024-11-09 12:21:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 382 transitions. [2024-11-09 12:21:24,279 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 382 transitions. Word has length 17 [2024-11-09 12:21:24,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:21:24,279 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 382 transitions. [2024-11-09 12:21:24,280 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) [2024-11-09 12:21:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 382 transitions. [2024-11-09 12:21:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:21:24,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:21:24,287 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] [2024-11-09 12:21:24,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:21:24,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:21:24,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:21:24,288 INFO L85 PathProgramCache]: Analyzing trace with hash 608425976, now seen corresponding path program 1 times [2024-11-09 12:21:24,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:21:24,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615510082] [2024-11-09 12:21:24,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:21:24,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:21:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:21:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 12:21:27,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:21:27,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615510082] [2024-11-09 12:21:27,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615510082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:21:27,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:21:27,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:21:27,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998717515] [2024-11-09 12:21:27,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:21:27,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:21:27,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:21:27,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:21:27,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:21:27,920 INFO L87 Difference]: Start difference. First operand 290 states and 382 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-09 12:21:28,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:21:28,158 INFO L93 Difference]: Finished difference Result 577 states and 761 transitions. [2024-11-09 12:21:28,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:21:28,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 28 [2024-11-09 12:21:28,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:21:28,163 INFO L225 Difference]: With dead ends: 577 [2024-11-09 12:21:28,164 INFO L226 Difference]: Without dead ends: 573 [2024-11-09 12:21:28,165 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 [2024-11-09 12:21:28,166 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 209 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:21:28,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 463 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:21:28,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-09 12:21:28,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 567. [2024-11-09 12:21:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 441 states have (on average 1.36281179138322) internal successors, (601), 452 states have internal predecessors, (601), 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) [2024-11-09 12:21:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 757 transitions. [2024-11-09 12:21:28,214 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 757 transitions. Word has length 28 [2024-11-09 12:21:28,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:21:28,214 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 757 transitions. [2024-11-09 12:21:28,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-09 12:21:28,215 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 757 transitions. [2024-11-09 12:21:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 12:21:28,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:21:28,217 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] [2024-11-09 12:21:28,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:21:28,217 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:21:28,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:21:28,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1654849926, now seen corresponding path program 1 times [2024-11-09 12:21:28,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:21:28,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605494870] [2024-11-09 12:21:28,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:21:28,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:21:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:21:30,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:21:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:21:30,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 12:21:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:21:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:21:30,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:21:30,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605494870] [2024-11-09 12:21:30,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605494870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:21:30,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:21:30,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:21:30,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942546017] [2024-11-09 12:21:30,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:21:30,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:21:30,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:21:30,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:21:30,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:21:30,867 INFO L87 Difference]: Start difference. First operand 567 states and 757 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-09 12:21:34,900 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 [] [2024-11-09 12:21:39,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 12:21:41,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:21:41,972 INFO L93 Difference]: Finished difference Result 1259 states and 1684 transitions. [2024-11-09 12:21:41,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:21:41,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 35 [2024-11-09 12:21:41,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:21:41,983 INFO L225 Difference]: With dead ends: 1259 [2024-11-09 12:21:41,984 INFO L226 Difference]: Without dead ends: 695 [2024-11-09 12:21:41,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:21:41,992 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 219 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 30 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:21:41,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 711 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 141 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2024-11-09 12:21:41,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-09 12:21:42,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 670. [2024-11-09 12:21:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 520 states have (on average 1.3557692307692308) internal successors, (705), 531 states have internal predecessors, (705), 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) [2024-11-09 12:21:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 889 transitions. [2024-11-09 12:21:42,065 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 889 transitions. Word has length 35 [2024-11-09 12:21:42,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:21:42,067 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 889 transitions. [2024-11-09 12:21:42,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-09 12:21:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 889 transitions. [2024-11-09 12:21:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 12:21:42,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:21:42,074 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-09 12:21:42,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:21:42,075 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:21:42,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:21:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash -2084857268, now seen corresponding path program 1 times [2024-11-09 12:21:42,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:21:42,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182784851] [2024-11-09 12:21:42,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:21:42,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:21:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:21:44,850 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 12:21:44,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:21:44,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182784851] [2024-11-09 12:21:44,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182784851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:21:44,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:21:44,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:21:44,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905370667] [2024-11-09 12:21:44,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:21:44,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:21:44,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:21:44,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:21:44,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:21:44,852 INFO L87 Difference]: Start difference. First operand 670 states and 889 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-11-09 12:21:48,888 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 [] [2024-11-09 12:21:49,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:21:49,717 INFO L93 Difference]: Finished difference Result 1393 states and 1847 transitions. [2024-11-09 12:21:49,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:21:49,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 43 [2024-11-09 12:21:49,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:21:49,727 INFO L225 Difference]: With dead ends: 1393 [2024-11-09 12:21:49,727 INFO L226 Difference]: Without dead ends: 988 [2024-11-09 12:21:49,734 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 [2024-11-09 12:21:49,737 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 208 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:21:49,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 1116 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-09 12:21:49,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-09 12:21:49,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 674. [2024-11-09 12:21:49,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 524 states have (on average 1.3530534351145038) internal successors, (709), 535 states have internal predecessors, (709), 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) [2024-11-09 12:21:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 893 transitions. [2024-11-09 12:21:49,851 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 893 transitions. Word has length 43 [2024-11-09 12:21:49,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:21:49,852 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 893 transitions. [2024-11-09 12:21:49,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-11-09 12:21:49,853 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 893 transitions. [2024-11-09 12:21:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 12:21:49,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:21:49,861 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] [2024-11-09 12:21:49,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:21:49,861 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:21:49,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:21:49,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2015314476, now seen corresponding path program 1 times [2024-11-09 12:21:49,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:21:49,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227546188] [2024-11-09 12:21:49,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:21:49,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:21:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:21:52,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 12:21:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:21:52,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:21:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:21:52,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 12:21:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:21:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:21:52,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:21:52,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227546188] [2024-11-09 12:21:52,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227546188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:21:52,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:21:52,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:21:52,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946956015] [2024-11-09 12:21:52,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:21:52,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:21:52,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:21:52,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:21:52,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:21:52,623 INFO L87 Difference]: Start difference. First operand 674 states and 893 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-09 12:21:56,659 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 [] [2024-11-09 12:21:59,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:21:59,545 INFO L93 Difference]: Finished difference Result 1297 states and 1732 transitions. [2024-11-09 12:21:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:21:59,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 53 [2024-11-09 12:21:59,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:21:59,551 INFO L225 Difference]: With dead ends: 1297 [2024-11-09 12:21:59,551 INFO L226 Difference]: Without dead ends: 733 [2024-11-09 12:21:59,553 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 [2024-11-09 12:21:59,554 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 32 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:21:59,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 541 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2024-11-09 12:21:59,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-09 12:21:59,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 708. [2024-11-09 12:21:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 552 states have (on average 1.338768115942029) internal successors, (739), 563 states have internal predecessors, (739), 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) [2024-11-09 12:21:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 935 transitions. [2024-11-09 12:21:59,603 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 935 transitions. Word has length 53 [2024-11-09 12:21:59,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:21:59,603 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 935 transitions. [2024-11-09 12:21:59,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-09 12:21:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 935 transitions. [2024-11-09 12:21:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:21:59,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:21:59,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:21:59,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:21:59,606 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:21:59,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:21:59,606 INFO L85 PathProgramCache]: Analyzing trace with hash -917848436, now seen corresponding path program 1 times [2024-11-09 12:21:59,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:21:59,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749209658] [2024-11-09 12:21:59,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:21:59,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:22:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:02,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 12:22:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:22:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:02,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 12:22:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:02,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 12:22:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:02,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 12:22:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:22:02,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:22:02,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749209658] [2024-11-09 12:22:02,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749209658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:22:02,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:22:02,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:22:02,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144734154] [2024-11-09 12:22:02,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:22:02,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:22:02,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:22:02,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:22:02,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:22:02,990 INFO L87 Difference]: Start difference. First operand 708 states and 935 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-09 12:22:07,033 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 [] [2024-11-09 12:22:11,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:22:11,056 INFO L93 Difference]: Finished difference Result 1333 states and 1766 transitions. [2024-11-09 12:22:11,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:22:11,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 67 [2024-11-09 12:22:11,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:22:11,062 INFO L225 Difference]: With dead ends: 1333 [2024-11-09 12:22:11,062 INFO L226 Difference]: Without dead ends: 735 [2024-11-09 12:22:11,064 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 [2024-11-09 12:22:11,065 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 29 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 26 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:22:11,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 717 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 193 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2024-11-09 12:22:11,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-09 12:22:11,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 710. [2024-11-09 12:22:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 554 states have (on average 1.3375451263537905) internal successors, (741), 565 states have internal predecessors, (741), 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) [2024-11-09 12:22:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 937 transitions. [2024-11-09 12:22:11,099 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 937 transitions. Word has length 67 [2024-11-09 12:22:11,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:22:11,099 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 937 transitions. [2024-11-09 12:22:11,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-09 12:22:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 937 transitions. [2024-11-09 12:22:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 12:22:11,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:22:11,102 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-09 12:22:11,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:22:11,102 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:22:11,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:22:11,103 INFO L85 PathProgramCache]: Analyzing trace with hash 199410482, now seen corresponding path program 1 times [2024-11-09 12:22:11,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:22:11,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303823306] [2024-11-09 12:22:11,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:22:11,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:22:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:14,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 12:22:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:14,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:22:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:14,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 12:22:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:14,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:22:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:14,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:22:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 12:22:14,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:22:14,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303823306] [2024-11-09 12:22:14,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303823306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:22:14,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545481649] [2024-11-09 12:22:14,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:22:14,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:22:14,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:22:14,222 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) [2024-11-09 12:22:14,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:22:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:17,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 2474 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:22:17,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:22:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 12:22:18,496 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:22:18,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545481649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:22:18,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:22:18,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-09 12:22:18,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755199595] [2024-11-09 12:22:18,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:22:18,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:22:18,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:22:18,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:22:18,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:22:18,498 INFO L87 Difference]: Start difference. First operand 710 states and 937 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-09 12:22:19,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:22:19,559 INFO L93 Difference]: Finished difference Result 1314 states and 1741 transitions. [2024-11-09 12:22:19,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:22:19,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 73 [2024-11-09 12:22:19,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:22:19,565 INFO L225 Difference]: With dead ends: 1314 [2024-11-09 12:22:19,565 INFO L226 Difference]: Without dead ends: 714 [2024-11-09 12:22:19,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:22:19,568 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 11 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:22:19,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 665 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 12:22:19,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-11-09 12:22:19,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2024-11-09 12:22:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 560 states have (on average 1.3267857142857142) internal successors, (743), 567 states have internal predecessors, (743), 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) [2024-11-09 12:22:19,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 939 transitions. [2024-11-09 12:22:19,600 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 939 transitions. Word has length 73 [2024-11-09 12:22:19,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:22:19,601 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 939 transitions. [2024-11-09 12:22:19,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-09 12:22:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 939 transitions. [2024-11-09 12:22:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 12:22:19,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:22:19,603 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] [2024-11-09 12:22:19,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:22:19,804 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 [2024-11-09 12:22:19,805 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:22:19,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:22:19,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1886757815, now seen corresponding path program 1 times [2024-11-09 12:22:19,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:22:19,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086655765] [2024-11-09 12:22:19,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:22:19,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:22:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:22,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 12:22:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:22,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:22:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:22,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 12:22:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:22,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:22:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:22,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:22:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 12:22:22,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:22:22,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086655765] [2024-11-09 12:22:22,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086655765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:22:22,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:22:22,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:22:22,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716531560] [2024-11-09 12:22:22,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:22:22,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:22:22,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:22:22,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:22:22,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:22:22,837 INFO L87 Difference]: Start difference. First operand 714 states and 939 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-09 12:22:26,878 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 [] [2024-11-09 12:22:29,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:22:29,539 INFO L93 Difference]: Finished difference Result 739 states and 976 transitions. [2024-11-09 12:22:29,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:22:29,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 74 [2024-11-09 12:22:29,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:22:29,544 INFO L225 Difference]: With dead ends: 739 [2024-11-09 12:22:29,544 INFO L226 Difference]: Without dead ends: 737 [2024-11-09 12:22:29,545 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 [2024-11-09 12:22:29,547 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 34 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:22:29,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 518 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2024-11-09 12:22:29,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-09 12:22:29,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 708. [2024-11-09 12:22:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 556 states have (on average 1.3183453237410072) internal successors, (733), 561 states have internal predecessors, (733), 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) [2024-11-09 12:22:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 929 transitions. [2024-11-09 12:22:29,579 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 929 transitions. Word has length 74 [2024-11-09 12:22:29,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:22:29,581 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 929 transitions. [2024-11-09 12:22:29,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-09 12:22:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 929 transitions. [2024-11-09 12:22:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 12:22:29,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:22:29,583 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:22:29,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:22:29,583 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:22:29,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:22:29,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2147233314, now seen corresponding path program 1 times [2024-11-09 12:22:29,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:22:29,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022478604] [2024-11-09 12:22:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:22:29,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:22:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:33,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 12:22:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:33,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:22:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:33,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 12:22:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:33,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 12:22:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 12:22:33,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:22:33,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022478604] [2024-11-09 12:22:33,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022478604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:22:33,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732651402] [2024-11-09 12:22:33,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:22:33,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:22:33,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:22:33,101 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) [2024-11-09 12:22:33,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:22:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:22:36,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 12:22:36,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:22:36,790 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 12:22:36,790 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:22:36,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732651402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:22:36,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:22:36,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-09 12:22:36,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798411516] [2024-11-09 12:22:36,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:22:36,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:22:36,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:22:36,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:22:36,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:22:36,793 INFO L87 Difference]: Start difference. First operand 708 states and 929 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-09 12:22:37,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:22:37,067 INFO L93 Difference]: Finished difference Result 1133 states and 1490 transitions. [2024-11-09 12:22:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:22:37,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 80 [2024-11-09 12:22:37,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:22:37,072 INFO L225 Difference]: With dead ends: 1133 [2024-11-09 12:22:37,072 INFO L226 Difference]: Without dead ends: 713 [2024-11-09 12:22:37,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:22:37,075 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 3 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:22:37,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 457 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:22:37,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-09 12:22:37,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 713. [2024-11-09 12:22:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 560 states have (on average 1.3178571428571428) internal successors, (738), 565 states have internal predecessors, (738), 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) [2024-11-09 12:22:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 936 transitions. [2024-11-09 12:22:37,104 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 936 transitions. Word has length 80 [2024-11-09 12:22:37,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:22:37,104 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 936 transitions. [2024-11-09 12:22:37,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-09 12:22:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 936 transitions. [2024-11-09 12:22:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 12:22:37,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:22:37,107 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:22:37,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:22:37,307 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 [2024-11-09 12:22:37,308 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:22:37,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:22:37,309 INFO L85 PathProgramCache]: Analyzing trace with hash -865427178, now seen corresponding path program 1 times [2024-11-09 12:22:37,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:22:37,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701337301] [2024-11-09 12:22:37,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:22:37,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms