/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:43:28,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:43:28,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:43:28,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:43:28,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:43:28,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:43:28,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:43:28,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:43:28,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:43:28,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:43:28,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:43:28,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:43:28,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:43:28,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:43:28,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:43:28,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:43:28,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:43:28,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:43:28,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:43:28,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:43:28,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:43:28,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:43:28,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:43:28,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:43:28,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:43:28,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:43:28,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:43:28,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:43:28,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:43:28,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:43:28,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:43:28,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:43:28,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:43:28,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:43:28,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:43:28,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:43:28,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:43:28,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:43:28,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:43:28,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:43:28,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:43:28,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:43:28,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:43:28,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:43:28,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:43:28,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:43:28,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:43:28,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:43:28,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:43:28,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:43:28,477 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:43:28,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:43:28,479 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:43:28,479 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:43:28,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:43:28,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:43:28,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:43:28,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:43:28,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:43:28,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:43:28,480 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:43:28,480 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:43:28,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:43:28,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:43:28,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:43:28,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:43:28,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:43:28,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:43:28,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:43:28,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:43:28,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:43:28,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:43:28,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:43:28,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:43:28,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:43:28,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:43:28,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:43:28,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:43:28,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:43:28,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:43:28,938 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:43:28,939 INFO L432 ainManager$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--block--cpqarray.ko-main.cil.out.i [2022-10-16 12:43:29,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2806cce72/a59dcdedcb3342fd8ea4c91a0b9a9a05/FLAG4e71a97fa [2022-10-16 12:43:30,071 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:43:30,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i [2022-10-16 12:43:30,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2806cce72/a59dcdedcb3342fd8ea4c91a0b9a9a05/FLAG4e71a97fa [2022-10-16 12:43:30,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2806cce72/a59dcdedcb3342fd8ea4c91a0b9a9a05 [2022-10-16 12:43:30,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:43:30,490 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:43:30,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:43:30,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:43:30,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:43:30,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:43:30" (1/1) ... [2022-10-16 12:43:30,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364fc0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:30, skipping insertion in model container [2022-10-16 12:43:30,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:43:30" (1/1) ... [2022-10-16 12:43:30,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:43:30,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:43:32,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i[213319,213332] [2022-10-16 12:43:32,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:43:32,479 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:43:33,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i[213319,213332] [2022-10-16 12:43:33,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:43:33,243 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:43:33,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33 WrapperNode [2022-10-16 12:43:33,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:43:33,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:43:33,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:43:33,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:43:33,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,585 INFO L138 Inliner]: procedures = 269, calls = 1577, calls flagged for inlining = 115, calls inlined = 90, statements flattened = 3771 [2022-10-16 12:43:33,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:43:33,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:43:33,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:43:33,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:43:33,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,863 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:43:33,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:43:33,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:43:33,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:43:33,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (1/1) ... [2022-10-16 12:43:33,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:43:33,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:43:34,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:43:34,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:43:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure free_hba [2022-10-16 12:43:34,074 INFO L138 BoogieDeclarations]: Found implementation of procedure free_hba [2022-10-16 12:43:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_submit_command [2022-10-16 12:43:34,074 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_submit_command [2022-10-16 12:43:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-10-16 12:43:34,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-10-16 12:43:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-16 12:43:34,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-16 12:43:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure cpqarray_remove_one [2022-10-16 12:43:34,075 INFO L138 BoogieDeclarations]: Found implementation of procedure cpqarray_remove_one [2022-10-16 12:43:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_cpqarray_hba [2022-10-16 12:43:34,075 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_cpqarray_hba [2022-10-16 12:43:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_intr_mask [2022-10-16 12:43:34,075 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_intr_mask [2022-10-16 12:43:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:43:34,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:43:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2022-10-16 12:43:34,076 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2022-10-16 12:43:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_completed [2022-10-16 12:43:34,076 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_completed [2022-10-16 12:43:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-10-16 12:43:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-10-16 12:43:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_intr_pending [2022-10-16 12:43:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_intr_pending [2022-10-16 12:43:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_intr_mask [2022-10-16 12:43:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_intr_mask [2022-10-16 12:43:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-10-16 12:43:34,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-10-16 12:43:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-16 12:43:34,078 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-16 12:43:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-10-16 12:43:34,078 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2022-10-16 12:43:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:43:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:43:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:43:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:43:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-16 12:43:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-16 12:43:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-10-16 12:43:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-10-16 12:43:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-16 12:43:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-16 12:43:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure start_io [2022-10-16 12:43:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure start_io [2022-10-16 12:43:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cpqarray_mutex [2022-10-16 12:43:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cpqarray_mutex [2022-10-16 12:43:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:43:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:43:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_completed [2022-10-16 12:43:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_completed [2022-10-16 12:43:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cpqarray_mutex [2022-10-16 12:43:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cpqarray_mutex [2022-10-16 12:43:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-16 12:43:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-16 12:43:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:43:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:43:34,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 12:43:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 12:43:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_free [2022-10-16 12:43:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_free [2022-10-16 12:43:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-10-16 12:43:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-10-16 12:43:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:43:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:43:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_completed [2022-10-16 12:43:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_completed [2022-10-16 12:43:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-16 12:43:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-16 12:43:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:43:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_fifo_full [2022-10-16 12:43:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_fifo_full [2022-10-16 12:43:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure release_io_mem [2022-10-16 12:43:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure release_io_mem [2022-10-16 12:43:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:43:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-16 12:43:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-16 12:43:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-10-16 12:43:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-10-16 12:43:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-16 12:43:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-16 12:43:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_intr_pending [2022-10-16 12:43:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_intr_pending [2022-10-16 12:43:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2022-10-16 12:43:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2022-10-16 12:43:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure sendcmd [2022-10-16 12:43:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure sendcmd [2022-10-16 12:43:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:43:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:43:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_drv [2022-10-16 12:43:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure get_drv [2022-10-16 12:43:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-16 12:43:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-16 12:43:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:43:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:43:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 12:43:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 12:43:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-16 12:43:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-16 12:43:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure ida_revalidate [2022-10-16 12:43:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_revalidate [2022-10-16 12:43:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 12:43:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 12:43:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 12:43:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 12:43:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_submit_command [2022-10-16 12:43:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_submit_command [2022-10-16 12:43:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 12:43:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 12:43:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-16 12:43:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-16 12:43:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-10-16 12:43:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-10-16 12:43:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure cpqarray_register_ctlr [2022-10-16 12:43:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cpqarray_register_ctlr [2022-10-16 12:43:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 12:43:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 12:43:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-16 12:43:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-16 12:43:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure ida_ioctl [2022-10-16 12:43:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_ioctl [2022-10-16 12:43:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:43:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_alloc [2022-10-16 12:43:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_alloc [2022-10-16 12:43:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_fifo_full [2022-10-16 12:43:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_fifo_full [2022-10-16 12:43:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_intr_pending [2022-10-16 12:43:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_intr_pending [2022-10-16 12:43:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-16 12:43:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-16 12:43:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_fifo_full [2022-10-16 12:43:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_fifo_full [2022-10-16 12:43:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_submit_command [2022-10-16 12:43:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_submit_command [2022-10-16 12:43:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_intr_pending [2022-10-16 12:43:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_intr_pending [2022-10-16 12:43:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_host [2022-10-16 12:43:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_host [2022-10-16 12:43:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_submit_command [2022-10-16 12:43:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_submit_command [2022-10-16 12:43:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:43:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:43:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-10-16 12:43:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-10-16 12:43:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-16 12:43:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-16 12:43:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:43:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-16 12:43:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-16 12:43:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-10-16 12:43:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-10-16 12:43:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure removeQ [2022-10-16 12:43:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure removeQ [2022-10-16 12:43:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:43:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:43:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:43:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:43:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 12:43:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 12:43:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:43:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:43:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:43:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_intr_mask [2022-10-16 12:43:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_intr_mask [2022-10-16 12:43:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-16 12:43:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-16 12:43:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-16 12:43:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-16 12:43:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-10-16 12:43:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-10-16 12:43:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_intr_mask [2022-10-16 12:43:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_intr_mask [2022-10-16 12:43:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure getgeometry [2022-10-16 12:43:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getgeometry [2022-10-16 12:43:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure ida_getgeo [2022-10-16 12:43:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_getgeo [2022-10-16 12:43:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-10-16 12:43:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-10-16 12:43:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_fifo_full [2022-10-16 12:43:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_fifo_full [2022-10-16 12:43:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2022-10-16 12:43:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2022-10-16 12:43:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-16 12:43:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-16 12:43:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-16 12:43:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-16 12:43:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-16 12:43:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-16 12:43:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-10-16 12:43:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-10-16 12:43:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:43:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 12:43:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 12:43:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-16 12:43:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-16 12:43:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_completed [2022-10-16 12:43:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_completed [2022-10-16 12:43:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:43:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:43:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure addQ [2022-10-16 12:43:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure addQ [2022-10-16 12:43:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:43:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:43:34,896 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:43:34,908 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:43:38,675 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:43:38,707 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:43:38,707 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:43:38,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:43:38 BoogieIcfgContainer [2022-10-16 12:43:38,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:43:38,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:43:38,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:43:38,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:43:38,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:43:30" (1/3) ... [2022-10-16 12:43:38,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fdde33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:43:38, skipping insertion in model container [2022-10-16 12:43:38,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:33" (2/3) ... [2022-10-16 12:43:38,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fdde33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:43:38, skipping insertion in model container [2022-10-16 12:43:38,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:43:38" (3/3) ... [2022-10-16 12:43:38,727 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i [2022-10-16 12:43:38,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:43:38,752 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2022-10-16 12:43:38,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:43:38,894 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3cd2e7c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:43:38,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2022-10-16 12:43:38,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 1529 states, 1063 states have (on average 1.4092191909689558) internal successors, (1498), 1175 states have internal predecessors, (1498), 284 states have call successors, (284), 95 states have call predecessors, (284), 95 states have return successors, (284), 278 states have call predecessors, (284), 284 states have call successors, (284) [2022-10-16 12:43:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 12:43:38,920 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:38,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:38,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:43:38,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:38,928 INFO L85 PathProgramCache]: Analyzing trace with hash -71318331, now seen corresponding path program 1 times [2022-10-16 12:43:38,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:38,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243306552] [2022-10-16 12:43:38,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:38,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:39,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:39,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243306552] [2022-10-16 12:43:39,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243306552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:39,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:39,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:39,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683128065] [2022-10-16 12:43:39,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:39,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:39,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:39,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:39,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:39,610 INFO L87 Difference]: Start difference. First operand has 1529 states, 1063 states have (on average 1.4092191909689558) internal successors, (1498), 1175 states have internal predecessors, (1498), 284 states have call successors, (284), 95 states have call predecessors, (284), 95 states have return successors, (284), 278 states have call predecessors, (284), 284 states have call successors, (284) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-10-16 12:43:40,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:40,066 INFO L93 Difference]: Finished difference Result 4551 states and 6274 transitions. [2022-10-16 12:43:40,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:43:40,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2022-10-16 12:43:40,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:40,112 INFO L225 Difference]: With dead ends: 4551 [2022-10-16 12:43:40,112 INFO L226 Difference]: Without dead ends: 2983 [2022-10-16 12:43:40,134 INFO L412 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 [2022-10-16 12:43:40,138 INFO L413 NwaCegarLoop]: 2577 mSDtfsCounter, 1998 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 4602 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:40,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 4602 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:43:40,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2022-10-16 12:43:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2901. [2022-10-16 12:43:40,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2073 states have (on average 1.387361312108056) internal successors, (2876), 2198 states have internal predecessors, (2876), 554 states have call successors, (554), 188 states have call predecessors, (554), 188 states have return successors, (554), 542 states have call predecessors, (554), 554 states have call successors, (554) [2022-10-16 12:43:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 3984 transitions. [2022-10-16 12:43:40,593 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 3984 transitions. Word has length 13 [2022-10-16 12:43:40,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:40,594 INFO L495 AbstractCegarLoop]: Abstraction has 2901 states and 3984 transitions. [2022-10-16 12:43:40,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-10-16 12:43:40,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3984 transitions. [2022-10-16 12:43:40,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 12:43:40,606 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:40,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:40,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:43:40,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting alloc_cpqarray_hbaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:43:40,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:40,608 INFO L85 PathProgramCache]: Analyzing trace with hash 903598810, now seen corresponding path program 1 times [2022-10-16 12:43:40,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:40,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580849388] [2022-10-16 12:43:40,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:40,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:40,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:40,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580849388] [2022-10-16 12:43:40,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580849388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:40,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:40,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:40,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461979129] [2022-10-16 12:43:40,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:40,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:40,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:40,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:40,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:40,945 INFO L87 Difference]: Start difference. First operand 2901 states and 3984 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:43:41,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:41,339 INFO L93 Difference]: Finished difference Result 8479 states and 11634 transitions. [2022-10-16 12:43:41,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:43:41,340 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-10-16 12:43:41,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:41,390 INFO L225 Difference]: With dead ends: 8479 [2022-10-16 12:43:41,390 INFO L226 Difference]: Without dead ends: 5581 [2022-10-16 12:43:41,412 INFO L412 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 [2022-10-16 12:43:41,415 INFO L413 NwaCegarLoop]: 2565 mSDtfsCounter, 1846 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 4565 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:41,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 4565 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:43:41,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2022-10-16 12:43:41,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 5507. [2022-10-16 12:43:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5507 states, 3973 states have (on average 1.3840926252202366) internal successors, (5499), 4136 states have internal predecessors, (5499), 1076 states have call successors, (1076), 372 states have call predecessors, (1076), 372 states have return successors, (1076), 1052 states have call predecessors, (1076), 1076 states have call successors, (1076) [2022-10-16 12:43:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5507 states to 5507 states and 7651 transitions. [2022-10-16 12:43:41,848 INFO L78 Accepts]: Start accepts. Automaton has 5507 states and 7651 transitions. Word has length 18 [2022-10-16 12:43:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:41,849 INFO L495 AbstractCegarLoop]: Abstraction has 5507 states and 7651 transitions. [2022-10-16 12:43:41,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:43:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 5507 states and 7651 transitions. [2022-10-16 12:43:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 12:43:41,852 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:41,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:41,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:43:41,853 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:43:41,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:41,853 INFO L85 PathProgramCache]: Analyzing trace with hash -266482212, now seen corresponding path program 1 times [2022-10-16 12:43:41,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:41,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512251707] [2022-10-16 12:43:41,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:41,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:42,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:43:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:42,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:42,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:42,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512251707] [2022-10-16 12:43:42,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512251707] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:42,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:42,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:42,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344679225] [2022-10-16 12:43:42,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:42,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:42,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:42,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:42,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:42,094 INFO L87 Difference]: Start difference. First operand 5507 states and 7651 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:42,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:42,771 INFO L93 Difference]: Finished difference Result 15886 states and 22000 transitions. [2022-10-16 12:43:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:43:42,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-10-16 12:43:42,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:42,859 INFO L225 Difference]: With dead ends: 15886 [2022-10-16 12:43:42,860 INFO L226 Difference]: Without dead ends: 10382 [2022-10-16 12:43:42,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:42,899 INFO L413 NwaCegarLoop]: 3032 mSDtfsCounter, 1979 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1979 SdHoareTripleChecker+Valid, 4943 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:42,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1979 Valid, 4943 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:43:42,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10382 states. [2022-10-16 12:43:43,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10382 to 10312. [2022-10-16 12:43:43,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10312 states, 7460 states have (on average 1.3764075067024129) internal successors, (10268), 7687 states have internal predecessors, (10268), 2036 states have call successors, (2036), 730 states have call predecessors, (2036), 730 states have return successors, (2036), 1988 states have call predecessors, (2036), 2036 states have call successors, (2036) [2022-10-16 12:43:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10312 states to 10312 states and 14340 transitions. [2022-10-16 12:43:43,674 INFO L78 Accepts]: Start accepts. Automaton has 10312 states and 14340 transitions. Word has length 23 [2022-10-16 12:43:43,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:43,675 INFO L495 AbstractCegarLoop]: Abstraction has 10312 states and 14340 transitions. [2022-10-16 12:43:43,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 10312 states and 14340 transitions. [2022-10-16 12:43:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 12:43:43,678 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:43,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:43,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:43:43,678 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:43:43,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:43,679 INFO L85 PathProgramCache]: Analyzing trace with hash -2023687661, now seen corresponding path program 1 times [2022-10-16 12:43:43,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:43,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808584573] [2022-10-16 12:43:43,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:43,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 12:43:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:43:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:43:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:43,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:43,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:43,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808584573] [2022-10-16 12:43:43,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808584573] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:43,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:43,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:43:43,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794161789] [2022-10-16 12:43:43,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:43,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:43:43,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:43,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:43:43,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:43:43,928 INFO L87 Difference]: Start difference. First operand 10312 states and 14340 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:43:48,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:48,502 INFO L93 Difference]: Finished difference Result 27637 states and 38231 transitions. [2022-10-16 12:43:48,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:43:48,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2022-10-16 12:43:48,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:48,654 INFO L225 Difference]: With dead ends: 27637 [2022-10-16 12:43:48,655 INFO L226 Difference]: Without dead ends: 17328 [2022-10-16 12:43:48,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:43:48,721 INFO L413 NwaCegarLoop]: 2607 mSDtfsCounter, 2092 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 1634 mSolverCounterSat, 795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2289 SdHoareTripleChecker+Valid, 4397 SdHoareTripleChecker+Invalid, 2429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 795 IncrementalHoareTripleChecker+Valid, 1634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:48,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2289 Valid, 4397 Invalid, 2429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [795 Valid, 1634 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 12:43:48,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17328 states. [2022-10-16 12:43:49,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17328 to 17262. [2022-10-16 12:43:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17262 states, 12556 states have (on average 1.3706594456833388) internal successors, (17210), 12885 states have internal predecessors, (17210), 3338 states have call successors, (3338), 1282 states have call predecessors, (3338), 1282 states have return successors, (3338), 3242 states have call predecessors, (3338), 3338 states have call successors, (3338) [2022-10-16 12:43:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17262 states to 17262 states and 23886 transitions. [2022-10-16 12:43:50,063 INFO L78 Accepts]: Start accepts. Automaton has 17262 states and 23886 transitions. Word has length 26 [2022-10-16 12:43:50,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:50,063 INFO L495 AbstractCegarLoop]: Abstraction has 17262 states and 23886 transitions. [2022-10-16 12:43:50,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:43:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 17262 states and 23886 transitions. [2022-10-16 12:43:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 12:43:50,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:50,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:50,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:43:50,068 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting alloc_cpqarray_hbaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:43:50,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:50,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1787204380, now seen corresponding path program 1 times [2022-10-16 12:43:50,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:50,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479056361] [2022-10-16 12:43:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:50,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:50,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:50,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:50,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479056361] [2022-10-16 12:43:50,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479056361] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:50,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:50,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:43:50,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844483148] [2022-10-16 12:43:50,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:50,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:50,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:50,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:50,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:50,372 INFO L87 Difference]: Start difference. First operand 17262 states and 23886 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:43:51,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:51,587 INFO L93 Difference]: Finished difference Result 34641 states and 47981 transitions. [2022-10-16 12:43:51,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:43:51,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-10-16 12:43:51,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:51,689 INFO L225 Difference]: With dead ends: 34641 [2022-10-16 12:43:51,689 INFO L226 Difference]: Without dead ends: 17382 [2022-10-16 12:43:51,752 INFO L412 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 [2022-10-16 12:43:51,754 INFO L413 NwaCegarLoop]: 2010 mSDtfsCounter, 6 mSDsluCounter, 2004 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4014 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:51,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4014 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:43:51,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17382 states. [2022-10-16 12:43:52,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17382 to 17322. [2022-10-16 12:43:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17322 states, 12616 states have (on average 1.369847812301839) internal successors, (17282), 12945 states have internal predecessors, (17282), 3338 states have call successors, (3338), 1282 states have call predecessors, (3338), 1282 states have return successors, (3338), 3242 states have call predecessors, (3338), 3338 states have call successors, (3338) [2022-10-16 12:43:53,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17322 states to 17322 states and 23958 transitions. [2022-10-16 12:43:53,078 INFO L78 Accepts]: Start accepts. Automaton has 17322 states and 23958 transitions. Word has length 26 [2022-10-16 12:43:53,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:53,079 INFO L495 AbstractCegarLoop]: Abstraction has 17322 states and 23958 transitions. [2022-10-16 12:43:53,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:43:53,079 INFO L276 IsEmpty]: Start isEmpty. Operand 17322 states and 23958 transitions. [2022-10-16 12:43:53,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 12:43:53,081 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:53,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:53,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:43:53,082 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:43:53,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:53,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1760968468, now seen corresponding path program 1 times [2022-10-16 12:43:53,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:53,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652727255] [2022-10-16 12:43:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:53,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:53,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:53,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652727255] [2022-10-16 12:43:53,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652727255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:53,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:53,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:43:53,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224457665] [2022-10-16 12:43:53,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:53,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:53,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:53,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:53,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:53,319 INFO L87 Difference]: Start difference. First operand 17322 states and 23958 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-10-16 12:43:54,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:54,486 INFO L93 Difference]: Finished difference Result 38102 states and 53706 transitions. [2022-10-16 12:43:54,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:43:54,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2022-10-16 12:43:54,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:54,594 INFO L225 Difference]: With dead ends: 38102 [2022-10-16 12:43:54,594 INFO L226 Difference]: Without dead ends: 20783 [2022-10-16 12:43:54,651 INFO L412 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 [2022-10-16 12:43:54,656 INFO L413 NwaCegarLoop]: 2275 mSDtfsCounter, 463 mSDsluCounter, 1964 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 4239 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:54,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 4239 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:43:54,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20783 states. [2022-10-16 12:43:55,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20783 to 17386. [2022-10-16 12:43:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17386 states, 12680 states have (on average 1.3705047318611987) internal successors, (17378), 13009 states have internal predecessors, (17378), 3338 states have call successors, (3338), 1282 states have call predecessors, (3338), 1282 states have return successors, (3338), 3242 states have call predecessors, (3338), 3338 states have call successors, (3338) [2022-10-16 12:43:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17386 states to 17386 states and 24054 transitions. [2022-10-16 12:43:56,238 INFO L78 Accepts]: Start accepts. Automaton has 17386 states and 24054 transitions. Word has length 26 [2022-10-16 12:43:56,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:56,238 INFO L495 AbstractCegarLoop]: Abstraction has 17386 states and 24054 transitions. [2022-10-16 12:43:56,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-10-16 12:43:56,239 INFO L276 IsEmpty]: Start isEmpty. Operand 17386 states and 24054 transitions. [2022-10-16 12:43:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 12:43:56,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:56,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:56,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:43:56,242 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:43:56,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:56,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1760968275, now seen corresponding path program 1 times [2022-10-16 12:43:56,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:56,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830354182] [2022-10-16 12:43:56,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:56,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:56,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:56,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830354182] [2022-10-16 12:43:56,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830354182] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:56,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:56,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:43:56,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949521102] [2022-10-16 12:43:56,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:56,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:56,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:56,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:56,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:56,492 INFO L87 Difference]: Start difference. First operand 17386 states and 24054 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-10-16 12:43:57,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:57,429 INFO L93 Difference]: Finished difference Result 34841 states and 48225 transitions. [2022-10-16 12:43:57,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:43:57,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2022-10-16 12:43:57,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:57,532 INFO L225 Difference]: With dead ends: 34841 [2022-10-16 12:43:57,532 INFO L226 Difference]: Without dead ends: 17458 [2022-10-16 12:43:57,601 INFO L412 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 [2022-10-16 12:43:57,603 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 4 mSDsluCounter, 2003 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4011 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:57,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4011 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:43:57,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17458 states. [2022-10-16 12:43:58,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17458 to 17458. [2022-10-16 12:43:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17458 states, 12752 states have (on average 1.3690401505646173) internal successors, (17458), 13081 states have internal predecessors, (17458), 3338 states have call successors, (3338), 1282 states have call predecessors, (3338), 1282 states have return successors, (3338), 3242 states have call predecessors, (3338), 3338 states have call successors, (3338) [2022-10-16 12:43:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17458 states to 17458 states and 24134 transitions. [2022-10-16 12:43:58,770 INFO L78 Accepts]: Start accepts. Automaton has 17458 states and 24134 transitions. Word has length 26 [2022-10-16 12:43:58,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:58,770 INFO L495 AbstractCegarLoop]: Abstraction has 17458 states and 24134 transitions. [2022-10-16 12:43:58,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-10-16 12:43:58,771 INFO L276 IsEmpty]: Start isEmpty. Operand 17458 states and 24134 transitions. [2022-10-16 12:43:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 12:43:58,773 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:58,774 INFO L195 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] [2022-10-16 12:43:58,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:43:58,774 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:43:58,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:58,775 INFO L85 PathProgramCache]: Analyzing trace with hash -463742885, now seen corresponding path program 1 times [2022-10-16 12:43:58,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:58,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619289972] [2022-10-16 12:43:58,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:58,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:58,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:58,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619289972] [2022-10-16 12:43:58,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619289972] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:58,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:58,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:58,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349228962] [2022-10-16 12:43:58,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:58,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:58,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:58,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:58,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:58,977 INFO L87 Difference]: Start difference. First operand 17458 states and 24134 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-10-16 12:44:00,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:00,275 INFO L93 Difference]: Finished difference Result 43671 states and 60342 transitions. [2022-10-16 12:44:00,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:00,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-10-16 12:44:00,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:00,446 INFO L225 Difference]: With dead ends: 43671 [2022-10-16 12:44:00,446 INFO L226 Difference]: Without dead ends: 26216 [2022-10-16 12:44:00,536 INFO L412 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 [2022-10-16 12:44:00,537 INFO L413 NwaCegarLoop]: 3121 mSDtfsCounter, 1987 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 5107 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:00,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 5107 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:44:00,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26216 states. [2022-10-16 12:44:01,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26216 to 26134. [2022-10-16 12:44:01,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26134 states, 19118 states have (on average 1.3681870488544827) internal successors, (26157), 19569 states have internal predecessors, (26157), 5007 states have call successors, (5007), 1923 states have call predecessors, (5007), 1923 states have return successors, (5007), 4863 states have call predecessors, (5007), 5007 states have call successors, (5007) [2022-10-16 12:44:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26134 states to 26134 states and 36171 transitions. [2022-10-16 12:44:02,096 INFO L78 Accepts]: Start accepts. Automaton has 26134 states and 36171 transitions. Word has length 30 [2022-10-16 12:44:02,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:02,097 INFO L495 AbstractCegarLoop]: Abstraction has 26134 states and 36171 transitions. [2022-10-16 12:44:02,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-10-16 12:44:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 26134 states and 36171 transitions. [2022-10-16 12:44:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 12:44:02,099 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:02,100 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:44:02,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:44:02,100 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting alloc_cpqarray_hbaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:02,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:02,101 INFO L85 PathProgramCache]: Analyzing trace with hash -358400110, now seen corresponding path program 1 times [2022-10-16 12:44:02,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:02,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745749771] [2022-10-16 12:44:02,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:02,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 12:44:02,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:02,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745749771] [2022-10-16 12:44:02,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745749771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:02,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:44:02,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:44:02,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514642549] [2022-10-16 12:44:02,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:02,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:44:02,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:02,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:44:02,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:02,337 INFO L87 Difference]: Start difference. First operand 26134 states and 36171 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:44:03,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:03,691 INFO L93 Difference]: Finished difference Result 26170 states and 36213 transitions. [2022-10-16 12:44:03,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:03,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-10-16 12:44:03,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:03,850 INFO L225 Difference]: With dead ends: 26170 [2022-10-16 12:44:03,850 INFO L226 Difference]: Without dead ends: 26169 [2022-10-16 12:44:03,875 INFO L412 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 [2022-10-16 12:44:03,878 INFO L413 NwaCegarLoop]: 2007 mSDtfsCounter, 7 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4007 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:03,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4007 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:44:03,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26169 states. [2022-10-16 12:44:05,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26169 to 26133. [2022-10-16 12:44:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26133 states, 19118 states have (on average 1.3672455277748718) internal successors, (26139), 19568 states have internal predecessors, (26139), 5007 states have call successors, (5007), 1923 states have call predecessors, (5007), 1923 states have return successors, (5007), 4863 states have call predecessors, (5007), 5007 states have call successors, (5007) [2022-10-16 12:44:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26133 states to 26133 states and 36153 transitions. [2022-10-16 12:44:05,435 INFO L78 Accepts]: Start accepts. Automaton has 26133 states and 36153 transitions. Word has length 31 [2022-10-16 12:44:05,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:05,436 INFO L495 AbstractCegarLoop]: Abstraction has 26133 states and 36153 transitions. [2022-10-16 12:44:05,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:44:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 26133 states and 36153 transitions. [2022-10-16 12:44:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 12:44:05,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:05,439 INFO L195 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] [2022-10-16 12:44:05,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 12:44:05,439 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting alloc_cpqarray_hbaErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:05,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:05,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1774499252, now seen corresponding path program 1 times [2022-10-16 12:44:05,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:05,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6153161] [2022-10-16 12:44:05,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:05,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:06,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:06,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6153161] [2022-10-16 12:44:06,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6153161] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:44:06,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840773770] [2022-10-16 12:44:06,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:06,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:06,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:06,037 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) [2022-10-16 12:44:06,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 12:44:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:06,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 1667 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:44:06,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:06,841 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:06,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:44:06,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840773770] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:06,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:44:06,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 12:44:06,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118272253] [2022-10-16 12:44:06,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:06,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:44:06,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:06,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:44:06,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:44:06,844 INFO L87 Difference]: Start difference. First operand 26133 states and 36153 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:44:08,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:08,013 INFO L93 Difference]: Finished difference Result 26223 states and 36285 transitions. [2022-10-16 12:44:08,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:44:08,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-10-16 12:44:08,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:08,121 INFO L225 Difference]: With dead ends: 26223 [2022-10-16 12:44:08,122 INFO L226 Difference]: Without dead ends: 26222 [2022-10-16 12:44:08,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:44:08,139 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 15 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4009 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:08,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4009 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:44:08,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26222 states. [2022-10-16 12:44:09,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26222 to 26060. [2022-10-16 12:44:09,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26060 states, 19046 states have (on average 1.3667436732122231) internal successors, (26031), 19495 states have internal predecessors, (26031), 5007 states have call successors, (5007), 1923 states have call predecessors, (5007), 1923 states have return successors, (5007), 4863 states have call predecessors, (5007), 5007 states have call successors, (5007) [2022-10-16 12:44:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26060 states to 26060 states and 36045 transitions. [2022-10-16 12:44:09,482 INFO L78 Accepts]: Start accepts. Automaton has 26060 states and 36045 transitions. Word has length 32 [2022-10-16 12:44:09,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:09,483 INFO L495 AbstractCegarLoop]: Abstraction has 26060 states and 36045 transitions. [2022-10-16 12:44:09,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:44:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 26060 states and 36045 transitions. [2022-10-16 12:44:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 12:44:09,487 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:09,487 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:44:09,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 12:44:09,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-16 12:44:09,700 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:09,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:09,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1893511375, now seen corresponding path program 1 times [2022-10-16 12:44:09,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:09,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544006584] [2022-10-16 12:44:09,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:09,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 12:44:09,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:09,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544006584] [2022-10-16 12:44:09,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544006584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:09,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:44:09,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:44:09,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131246775] [2022-10-16 12:44:09,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:09,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:44:09,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:44:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:09,961 INFO L87 Difference]: Start difference. First operand 26060 states and 36045 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-10-16 12:44:11,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:11,089 INFO L93 Difference]: Finished difference Result 26060 states and 36045 transitions. [2022-10-16 12:44:11,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:11,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2022-10-16 12:44:11,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:11,200 INFO L225 Difference]: With dead ends: 26060 [2022-10-16 12:44:11,201 INFO L226 Difference]: Without dead ends: 26059 [2022-10-16 12:44:11,216 INFO L412 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 [2022-10-16 12:44:11,217 INFO L413 NwaCegarLoop]: 2004 mSDtfsCounter, 7 mSDsluCounter, 1995 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3999 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:11,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3999 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:44:11,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26059 states. [2022-10-16 12:44:12,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26059 to 26059. [2022-10-16 12:44:12,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26059 states, 19046 states have (on average 1.3654835661031188) internal successors, (26007), 19494 states have internal predecessors, (26007), 5007 states have call successors, (5007), 1923 states have call predecessors, (5007), 1923 states have return successors, (5007), 4863 states have call predecessors, (5007), 5007 states have call successors, (5007) [2022-10-16 12:44:12,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26059 states to 26059 states and 36021 transitions. [2022-10-16 12:44:12,470 INFO L78 Accepts]: Start accepts. Automaton has 26059 states and 36021 transitions. Word has length 31 [2022-10-16 12:44:12,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:12,471 INFO L495 AbstractCegarLoop]: Abstraction has 26059 states and 36021 transitions. [2022-10-16 12:44:12,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-10-16 12:44:12,471 INFO L276 IsEmpty]: Start isEmpty. Operand 26059 states and 36021 transitions. [2022-10-16 12:44:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 12:44:12,474 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:12,474 INFO L195 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] [2022-10-16 12:44:12,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 12:44:12,475 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:12,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:12,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1430692508, now seen corresponding path program 1 times [2022-10-16 12:44:12,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:12,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166011] [2022-10-16 12:44:12,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:12,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:12,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:12,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166011] [2022-10-16 12:44:12,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166011] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:44:12,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387329372] [2022-10-16 12:44:12,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:12,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:12,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:12,915 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) [2022-10-16 12:44:12,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 12:44:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:13,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 1662 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:44:13,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:13,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:44:13,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387329372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:13,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:44:13,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 12:44:13,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803677239] [2022-10-16 12:44:13,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:13,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:44:13,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:13,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:44:13,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:44:13,484 INFO L87 Difference]: Start difference. First operand 26059 states and 36021 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-10-16 12:44:14,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:14,589 INFO L93 Difference]: Finished difference Result 31130 states and 44502 transitions. [2022-10-16 12:44:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:44:14,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2022-10-16 12:44:14,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:14,720 INFO L225 Difference]: With dead ends: 31130 [2022-10-16 12:44:14,720 INFO L226 Difference]: Without dead ends: 31129 [2022-10-16 12:44:14,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:44:14,741 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 824 mSDsluCounter, 2045 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 4534 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:14,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 4534 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:44:14,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31129 states. [2022-10-16 12:44:16,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31129 to 25962. [2022-10-16 12:44:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25962 states, 18950 states have (on average 1.3654353562005277) internal successors, (25875), 19397 states have internal predecessors, (25875), 5007 states have call successors, (5007), 1923 states have call predecessors, (5007), 1923 states have return successors, (5007), 4863 states have call predecessors, (5007), 5007 states have call successors, (5007) [2022-10-16 12:44:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25962 states to 25962 states and 35889 transitions. [2022-10-16 12:44:16,315 INFO L78 Accepts]: Start accepts. Automaton has 25962 states and 35889 transitions. Word has length 32 [2022-10-16 12:44:16,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:16,315 INFO L495 AbstractCegarLoop]: Abstraction has 25962 states and 35889 transitions. [2022-10-16 12:44:16,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-10-16 12:44:16,316 INFO L276 IsEmpty]: Start isEmpty. Operand 25962 states and 35889 transitions. [2022-10-16 12:44:16,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 12:44:16,319 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:16,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:16,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 12:44:16,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-16 12:44:16,534 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:16,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:16,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1596806329, now seen corresponding path program 1 times [2022-10-16 12:44:16,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:16,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608590296] [2022-10-16 12:44:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:16,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:16,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:44:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:16,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:16,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608590296] [2022-10-16 12:44:16,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608590296] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:44:16,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666013661] [2022-10-16 12:44:16,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:16,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:16,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:16,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:44:16,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 12:44:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:17,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 1673 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:44:17,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:17,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:44:17,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:17,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666013661] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:44:17,564 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:44:17,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-10-16 12:44:17,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561669335] [2022-10-16 12:44:17,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:44:17,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:44:17,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:17,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:44:17,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:44:17,566 INFO L87 Difference]: Start difference. First operand 25962 states and 35889 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:23,557 INFO L93 Difference]: Finished difference Result 53442 states and 74265 transitions. [2022-10-16 12:44:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 12:44:23,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-10-16 12:44:23,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:23,683 INFO L225 Difference]: With dead ends: 53442 [2022-10-16 12:44:23,683 INFO L226 Difference]: Without dead ends: 27483 [2022-10-16 12:44:23,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-10-16 12:44:23,798 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 489 mSDsluCounter, 3419 mSDsCounter, 0 mSdLazyCounter, 2138 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 5291 SdHoareTripleChecker+Invalid, 2457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 2138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:23,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 5291 Invalid, 2457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 2138 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-10-16 12:44:23,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27483 states. [2022-10-16 12:44:25,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27483 to 26232. [2022-10-16 12:44:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26232 states, 19220 states have (on average 1.363111342351717) internal successors, (26199), 19667 states have internal predecessors, (26199), 5007 states have call successors, (5007), 1923 states have call predecessors, (5007), 1923 states have return successors, (5007), 4863 states have call predecessors, (5007), 5007 states have call successors, (5007) [2022-10-16 12:44:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26232 states to 26232 states and 36213 transitions. [2022-10-16 12:44:25,268 INFO L78 Accepts]: Start accepts. Automaton has 26232 states and 36213 transitions. Word has length 34 [2022-10-16 12:44:25,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:25,268 INFO L495 AbstractCegarLoop]: Abstraction has 26232 states and 36213 transitions. [2022-10-16 12:44:25,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 26232 states and 36213 transitions. [2022-10-16 12:44:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 12:44:25,272 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:25,272 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:44:25,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 12:44:25,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:25,485 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:25,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:25,486 INFO L85 PathProgramCache]: Analyzing trace with hash -2029295636, now seen corresponding path program 1 times [2022-10-16 12:44:25,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:25,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001198413] [2022-10-16 12:44:25,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:25,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:25,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:25,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001198413] [2022-10-16 12:44:25,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001198413] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:44:25,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566773296] [2022-10-16 12:44:25,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:25,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:25,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:25,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:44:25,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 12:44:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:26,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1663 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:44:26,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:26,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:44:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:26,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566773296] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:44:26,407 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:44:26,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-10-16 12:44:26,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551705986] [2022-10-16 12:44:26,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:44:26,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:44:26,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:26,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:44:26,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:44:26,409 INFO L87 Difference]: Start difference. First operand 26232 states and 36213 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 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) [2022-10-16 12:44:28,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:28,739 INFO L93 Difference]: Finished difference Result 46793 states and 70581 transitions. [2022-10-16 12:44:28,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:44:28,740 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 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 33 [2022-10-16 12:44:28,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:28,934 INFO L225 Difference]: With dead ends: 46793 [2022-10-16 12:44:28,935 INFO L226 Difference]: Without dead ends: 46792 [2022-10-16 12:44:28,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:44:28,960 INFO L413 NwaCegarLoop]: 2445 mSDtfsCounter, 2875 mSDsluCounter, 5043 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3107 SdHoareTripleChecker+Valid, 7488 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:28,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3107 Valid, 7488 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 12:44:28,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46792 states. [2022-10-16 12:44:30,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46792 to 26472. [2022-10-16 12:44:30,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26472 states, 19460 states have (on average 1.3635662898252827) internal successors, (26535), 19907 states have internal predecessors, (26535), 5007 states have call successors, (5007), 1923 states have call predecessors, (5007), 1923 states have return successors, (5007), 4863 states have call predecessors, (5007), 5007 states have call successors, (5007) [2022-10-16 12:44:30,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26472 states to 26472 states and 36549 transitions. [2022-10-16 12:44:30,925 INFO L78 Accepts]: Start accepts. Automaton has 26472 states and 36549 transitions. Word has length 33 [2022-10-16 12:44:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:30,926 INFO L495 AbstractCegarLoop]: Abstraction has 26472 states and 36549 transitions. [2022-10-16 12:44:30,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 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) [2022-10-16 12:44:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 26472 states and 36549 transitions. [2022-10-16 12:44:30,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 12:44:30,930 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:30,930 INFO L195 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] [2022-10-16 12:44:30,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 12:44:31,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:31,131 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:31,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1516347706, now seen corresponding path program 1 times [2022-10-16 12:44:31,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:31,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584705605] [2022-10-16 12:44:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:31,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:31,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:31,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584705605] [2022-10-16 12:44:31,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584705605] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:44:31,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317336461] [2022-10-16 12:44:31,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:31,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:31,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:31,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:44:31,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 12:44:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:32,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1664 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:44:32,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:32,063 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:44:32,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317336461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:32,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:44:32,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 12:44:32,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464879887] [2022-10-16 12:44:32,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:32,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:44:32,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:32,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:44:32,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:44:32,066 INFO L87 Difference]: Start difference. First operand 26472 states and 36549 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-10-16 12:44:33,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:33,826 INFO L93 Difference]: Finished difference Result 58124 states and 81769 transitions. [2022-10-16 12:44:33,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:44:33,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2022-10-16 12:44:33,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:33,938 INFO L225 Difference]: With dead ends: 58124 [2022-10-16 12:44:33,938 INFO L226 Difference]: Without dead ends: 31655 [2022-10-16 12:44:34,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:44:34,014 INFO L413 NwaCegarLoop]: 2701 mSDtfsCounter, 881 mSDsluCounter, 2183 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1001 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:34,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1001 Valid, 4884 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:44:34,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31655 states. [2022-10-16 12:44:35,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31655 to 26471. [2022-10-16 12:44:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26471 states, 19460 states have (on average 1.3610996916752311) internal successors, (26487), 19906 states have internal predecessors, (26487), 5007 states have call successors, (5007), 1923 states have call predecessors, (5007), 1923 states have return successors, (5007), 4863 states have call predecessors, (5007), 5007 states have call successors, (5007) [2022-10-16 12:44:35,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26471 states to 26471 states and 36501 transitions. [2022-10-16 12:44:35,724 INFO L78 Accepts]: Start accepts. Automaton has 26471 states and 36501 transitions. Word has length 34 [2022-10-16 12:44:35,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:35,725 INFO L495 AbstractCegarLoop]: Abstraction has 26471 states and 36501 transitions. [2022-10-16 12:44:35,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-10-16 12:44:35,725 INFO L276 IsEmpty]: Start isEmpty. Operand 26471 states and 36501 transitions. [2022-10-16 12:44:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 12:44:35,729 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:35,730 INFO L195 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] [2022-10-16 12:44:35,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-16 12:44:35,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 12:44:35,931 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:35,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:35,932 INFO L85 PathProgramCache]: Analyzing trace with hash -282063757, now seen corresponding path program 1 times [2022-10-16 12:44:35,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:35,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564447772] [2022-10-16 12:44:35,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:35,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 12:44:36,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:36,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564447772] [2022-10-16 12:44:36,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564447772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:36,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:44:36,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:44:36,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261630544] [2022-10-16 12:44:36,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:36,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:44:36,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:36,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:44:36,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:36,227 INFO L87 Difference]: Start difference. First operand 26471 states and 36501 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-10-16 12:44:37,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:37,800 INFO L93 Difference]: Finished difference Result 39084 states and 53361 transitions. [2022-10-16 12:44:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:37,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 37 [2022-10-16 12:44:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:37,931 INFO L225 Difference]: With dead ends: 39084 [2022-10-16 12:44:37,931 INFO L226 Difference]: Without dead ends: 39074 [2022-10-16 12:44:37,958 INFO L412 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 [2022-10-16 12:44:37,959 INFO L413 NwaCegarLoop]: 2847 mSDtfsCounter, 1950 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 4809 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:37,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 4809 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:44:37,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39074 states. [2022-10-16 12:44:39,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39074 to 35360. [2022-10-16 12:44:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35360 states, 26038 states have (on average 1.3592825869882479) internal successors, (35393), 26597 states have internal predecessors, (35393), 6678 states have call successors, (6678), 2563 states have call predecessors, (6678), 2563 states have return successors, (6678), 6492 states have call predecessors, (6678), 6678 states have call successors, (6678) [2022-10-16 12:44:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35360 states to 35360 states and 48749 transitions. [2022-10-16 12:44:40,024 INFO L78 Accepts]: Start accepts. Automaton has 35360 states and 48749 transitions. Word has length 37 [2022-10-16 12:44:40,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:40,025 INFO L495 AbstractCegarLoop]: Abstraction has 35360 states and 48749 transitions. [2022-10-16 12:44:40,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-10-16 12:44:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 35360 states and 48749 transitions. [2022-10-16 12:44:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 12:44:40,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:40,030 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:44:40,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 12:44:40,030 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:40,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:40,031 INFO L85 PathProgramCache]: Analyzing trace with hash -50405902, now seen corresponding path program 1 times [2022-10-16 12:44:40,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:40,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497849694] [2022-10-16 12:44:40,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:40,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 12:44:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:40,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 12:44:40,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:40,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497849694] [2022-10-16 12:44:40,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497849694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:40,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:44:40,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:44:40,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493051974] [2022-10-16 12:44:40,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:40,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:44:40,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:40,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:44:40,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:40,250 INFO L87 Difference]: Start difference. First operand 35360 states and 48749 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:42,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:42,047 INFO L93 Difference]: Finished difference Result 35402 states and 48814 transitions. [2022-10-16 12:44:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:42,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2022-10-16 12:44:42,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:42,169 INFO L225 Difference]: With dead ends: 35402 [2022-10-16 12:44:42,169 INFO L226 Difference]: Without dead ends: 35400 [2022-10-16 12:44:42,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:42,185 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 5 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4001 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:42,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4001 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:44:42,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35400 states. [2022-10-16 12:44:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35400 to 35400. [2022-10-16 12:44:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35400 states, 26073 states have (on average 1.359183830015725) internal successors, (35438), 26637 states have internal predecessors, (35438), 6683 states have call successors, (6683), 2563 states have call predecessors, (6683), 2563 states have return successors, (6683), 6497 states have call predecessors, (6683), 6683 states have call successors, (6683) [2022-10-16 12:44:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35400 states to 35400 states and 48804 transitions. [2022-10-16 12:44:44,140 INFO L78 Accepts]: Start accepts. Automaton has 35400 states and 48804 transitions. Word has length 40 [2022-10-16 12:44:44,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:44,141 INFO L495 AbstractCegarLoop]: Abstraction has 35400 states and 48804 transitions. [2022-10-16 12:44:44,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 35400 states and 48804 transitions. [2022-10-16 12:44:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 12:44:44,146 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:44,146 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:44:44,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 12:44:44,146 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:44,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:44,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1244654141, now seen corresponding path program 1 times [2022-10-16 12:44:44,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:44,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986159545] [2022-10-16 12:44:44,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:44,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:44:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:44:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:44:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:44,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:44,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:44,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986159545] [2022-10-16 12:44:44,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986159545] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:44,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:44:44,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:44:44,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929240172] [2022-10-16 12:44:44,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:44,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:44:44,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:44,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:44:44,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:44:44,344 INFO L87 Difference]: Start difference. First operand 35400 states and 48804 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:44:50,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:50,472 INFO L93 Difference]: Finished difference Result 83691 states and 115166 transitions. [2022-10-16 12:44:50,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:44:50,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-10-16 12:44:50,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:50,804 INFO L225 Difference]: With dead ends: 83691 [2022-10-16 12:44:50,805 INFO L226 Difference]: Without dead ends: 49189 [2022-10-16 12:44:50,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:44:50,899 INFO L413 NwaCegarLoop]: 2383 mSDtfsCounter, 2834 mSDsluCounter, 1750 mSDsCounter, 0 mSdLazyCounter, 1703 mSolverCounterSat, 944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 4133 SdHoareTripleChecker+Invalid, 2647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 944 IncrementalHoareTripleChecker+Valid, 1703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:50,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3098 Valid, 4133 Invalid, 2647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [944 Valid, 1703 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 12:44:50,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49189 states. [2022-10-16 12:44:53,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49189 to 46471. [2022-10-16 12:44:53,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46471 states, 34256 states have (on average 1.3592947220924803) internal successors, (46564), 34974 states have internal predecessors, (46564), 8779 states have call successors, (8779), 3355 states have call predecessors, (8779), 3355 states have return successors, (8779), 8545 states have call predecessors, (8779), 8779 states have call successors, (8779) [2022-10-16 12:44:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46471 states to 46471 states and 64122 transitions. [2022-10-16 12:44:53,539 INFO L78 Accepts]: Start accepts. Automaton has 46471 states and 64122 transitions. Word has length 43 [2022-10-16 12:44:53,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:53,539 INFO L495 AbstractCegarLoop]: Abstraction has 46471 states and 64122 transitions. [2022-10-16 12:44:53,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:44:53,540 INFO L276 IsEmpty]: Start isEmpty. Operand 46471 states and 64122 transitions. [2022-10-16 12:44:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 12:44:53,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:53,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:53,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 12:44:53,545 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:44:53,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:53,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1825929301, now seen corresponding path program 1 times [2022-10-16 12:44:53,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:53,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255676512] [2022-10-16 12:44:53,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:53,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:44:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:44:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:44:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:44:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:54,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:54,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255676512] [2022-10-16 12:44:54,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255676512] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:54,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:44:54,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 12:44:54,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507987486] [2022-10-16 12:44:54,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:54,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:44:54,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:54,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:44:54,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:44:54,011 INFO L87 Difference]: Start difference. First operand 46471 states and 64122 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:45:01,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:01,859 INFO L93 Difference]: Finished difference Result 104683 states and 147834 transitions. [2022-10-16 12:45:01,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:45:01,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-10-16 12:45:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:02,089 INFO L225 Difference]: With dead ends: 104683 [2022-10-16 12:45:02,090 INFO L226 Difference]: Without dead ends: 58215 [2022-10-16 12:45:02,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:45:02,200 INFO L413 NwaCegarLoop]: 2376 mSDtfsCounter, 1308 mSDsluCounter, 6104 mSDsCounter, 0 mSdLazyCounter, 3070 mSolverCounterSat, 687 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 8480 SdHoareTripleChecker+Invalid, 3757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 3070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:02,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 8480 Invalid, 3757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 3070 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 12:45:02,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58215 states. [2022-10-16 12:45:04,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58215 to 46555. [2022-10-16 12:45:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46555 states, 34319 states have (on average 1.3586351583670853) internal successors, (46627), 35037 states have internal predecessors, (46627), 8779 states have call successors, (8779), 3355 states have call predecessors, (8779), 3376 states have return successors, (8810), 8566 states have call predecessors, (8810), 8779 states have call successors, (8810) [2022-10-16 12:45:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46555 states to 46555 states and 64216 transitions. [2022-10-16 12:45:05,208 INFO L78 Accepts]: Start accepts. Automaton has 46555 states and 64216 transitions. Word has length 47 [2022-10-16 12:45:05,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:05,208 INFO L495 AbstractCegarLoop]: Abstraction has 46555 states and 64216 transitions. [2022-10-16 12:45:05,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:45:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 46555 states and 64216 transitions. [2022-10-16 12:45:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 12:45:05,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:05,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:45:05,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 12:45:05,214 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:45:05,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:05,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1854558452, now seen corresponding path program 1 times [2022-10-16 12:45:05,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:05,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217137496] [2022-10-16 12:45:05,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:05,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:45:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:06,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:45:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:45:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:45:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:45:07,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:07,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217137496] [2022-10-16 12:45:07,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217137496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:45:07,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:45:07,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 12:45:07,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079892655] [2022-10-16 12:45:07,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:45:07,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 12:45:07,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:07,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 12:45:07,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-16 12:45:07,186 INFO L87 Difference]: Start difference. First operand 46555 states and 64216 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:45:10,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:45:20,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:20,366 INFO L93 Difference]: Finished difference Result 95515 states and 132707 transitions. [2022-10-16 12:45:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 12:45:20,368 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-10-16 12:45:20,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:20,543 INFO L225 Difference]: With dead ends: 95515 [2022-10-16 12:45:20,543 INFO L226 Difference]: Without dead ends: 48963 [2022-10-16 12:45:20,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2022-10-16 12:45:20,648 INFO L413 NwaCegarLoop]: 1883 mSDtfsCounter, 879 mSDsluCounter, 9857 mSDsCounter, 0 mSdLazyCounter, 6110 mSolverCounterSat, 670 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 11740 SdHoareTripleChecker+Invalid, 6781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 670 IncrementalHoareTripleChecker+Valid, 6110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:20,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 11740 Invalid, 6781 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [670 Valid, 6110 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-10-16 12:45:20,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48963 states. [2022-10-16 12:45:23,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48963 to 46865. [2022-10-16 12:45:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46865 states, 34536 states have (on average 1.3563817465832755) internal successors, (46844), 35254 states have internal predecessors, (46844), 8779 states have call successors, (8779), 3355 states have call predecessors, (8779), 3469 states have return successors, (9254), 8659 states have call predecessors, (9254), 8779 states have call successors, (9254) [2022-10-16 12:45:23,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46865 states to 46865 states and 64877 transitions. [2022-10-16 12:45:23,318 INFO L78 Accepts]: Start accepts. Automaton has 46865 states and 64877 transitions. Word has length 47 [2022-10-16 12:45:23,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:23,319 INFO L495 AbstractCegarLoop]: Abstraction has 46865 states and 64877 transitions. [2022-10-16 12:45:23,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:45:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 46865 states and 64877 transitions. [2022-10-16 12:45:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 12:45:23,324 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:23,324 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:45:23,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 12:45:23,325 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:45:23,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:23,325 INFO L85 PathProgramCache]: Analyzing trace with hash -818557966, now seen corresponding path program 1 times [2022-10-16 12:45:23,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:23,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034762110] [2022-10-16 12:45:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:23,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:23,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 12:45:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 12:45:23,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:23,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034762110] [2022-10-16 12:45:23,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034762110] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:45:23,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:45:23,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:45:23,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655549167] [2022-10-16 12:45:23,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:45:23,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:45:23,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:23,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:45:23,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:45:23,491 INFO L87 Difference]: Start difference. First operand 46865 states and 64877 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:45:25,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:25,536 INFO L93 Difference]: Finished difference Result 46865 states and 64877 transitions. [2022-10-16 12:45:25,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:45:25,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-10-16 12:45:25,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:25,846 INFO L225 Difference]: With dead ends: 46865 [2022-10-16 12:45:25,846 INFO L226 Difference]: Without dead ends: 46864 [2022-10-16 12:45:25,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:45:25,865 INFO L413 NwaCegarLoop]: 2000 mSDtfsCounter, 6 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3993 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:25,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3993 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:45:25,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46864 states. [2022-10-16 12:45:28,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46864 to 46864. [2022-10-16 12:45:28,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46864 states, 34536 states have (on average 1.3562948807041928) internal successors, (46841), 35253 states have internal predecessors, (46841), 8779 states have call successors, (8779), 3355 states have call predecessors, (8779), 3469 states have return successors, (9254), 8659 states have call predecessors, (9254), 8779 states have call successors, (9254) [2022-10-16 12:45:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46864 states to 46864 states and 64874 transitions. [2022-10-16 12:45:28,556 INFO L78 Accepts]: Start accepts. Automaton has 46864 states and 64874 transitions. Word has length 45 [2022-10-16 12:45:28,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:28,556 INFO L495 AbstractCegarLoop]: Abstraction has 46864 states and 64874 transitions. [2022-10-16 12:45:28,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:45:28,556 INFO L276 IsEmpty]: Start isEmpty. Operand 46864 states and 64874 transitions. [2022-10-16 12:45:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 12:45:28,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:28,561 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:45:28,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 12:45:28,561 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:45:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:28,562 INFO L85 PathProgramCache]: Analyzing trace with hash 394509669, now seen corresponding path program 1 times [2022-10-16 12:45:28,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:28,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963273580] [2022-10-16 12:45:28,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:28,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 12:45:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 12:45:28,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:28,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963273580] [2022-10-16 12:45:28,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963273580] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:45:28,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744840038] [2022-10-16 12:45:28,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:28,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:45:28,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:45:28,784 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:45:28,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 12:45:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:29,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 1714 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:45:29,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:45:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 12:45:29,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:45:29,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744840038] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:45:29,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:45:29,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 12:45:29,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509413444] [2022-10-16 12:45:29,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:45:29,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:45:29,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:29,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:45:29,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:45:29,392 INFO L87 Difference]: Start difference. First operand 46864 states and 64874 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:45:31,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:31,422 INFO L93 Difference]: Finished difference Result 46864 states and 64874 transitions. [2022-10-16 12:45:31,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:45:31,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2022-10-16 12:45:31,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:31,574 INFO L225 Difference]: With dead ends: 46864 [2022-10-16 12:45:31,574 INFO L226 Difference]: Without dead ends: 46863 [2022-10-16 12:45:31,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:45:31,596 INFO L413 NwaCegarLoop]: 2006 mSDtfsCounter, 8 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4004 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:31,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4004 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:45:31,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46863 states. [2022-10-16 12:45:34,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46863 to 46839. [2022-10-16 12:45:34,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46839 states, 34515 states have (on average 1.3562509054034477) internal successors, (46811), 35228 states have internal predecessors, (46811), 8776 states have call successors, (8776), 3355 states have call predecessors, (8776), 3469 states have return successors, (9251), 8656 states have call predecessors, (9251), 8776 states have call successors, (9251) [2022-10-16 12:45:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46839 states to 46839 states and 64838 transitions. [2022-10-16 12:45:34,259 INFO L78 Accepts]: Start accepts. Automaton has 46839 states and 64838 transitions. Word has length 46 [2022-10-16 12:45:34,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:34,259 INFO L495 AbstractCegarLoop]: Abstraction has 46839 states and 64838 transitions. [2022-10-16 12:45:34,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:45:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 46839 states and 64838 transitions. [2022-10-16 12:45:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 12:45:34,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:34,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:45:34,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 12:45:34,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:45:34,481 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:45:34,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:34,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1918247987, now seen corresponding path program 1 times [2022-10-16 12:45:34,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:34,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292670372] [2022-10-16 12:45:34,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:34,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:45:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:45:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:45:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:35,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:45:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:45:35,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:35,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292670372] [2022-10-16 12:45:35,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292670372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:45:35,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:45:35,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 12:45:35,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283984544] [2022-10-16 12:45:35,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:45:35,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:45:35,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:35,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:45:35,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:45:35,514 INFO L87 Difference]: Start difference. First operand 46839 states and 64838 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:45:46,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:45:52,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:52,341 INFO L93 Difference]: Finished difference Result 127216 states and 178320 transitions. [2022-10-16 12:45:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:45:52,344 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-10-16 12:45:52,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:53,104 INFO L225 Difference]: With dead ends: 127216 [2022-10-16 12:45:53,104 INFO L226 Difference]: Without dead ends: 80380 [2022-10-16 12:45:53,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 12:45:53,224 INFO L413 NwaCegarLoop]: 2274 mSDtfsCounter, 1865 mSDsluCounter, 6154 mSDsCounter, 0 mSdLazyCounter, 4793 mSolverCounterSat, 605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2038 SdHoareTripleChecker+Valid, 8428 SdHoareTripleChecker+Invalid, 5398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 4793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:53,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2038 Valid, 8428 Invalid, 5398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [605 Valid, 4793 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2022-10-16 12:45:53,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80380 states. [2022-10-16 12:45:57,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80380 to 70956. [2022-10-16 12:45:57,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70956 states, 52632 states have (on average 1.3568361453108375) internal successors, (71413), 53597 states have internal predecessors, (71413), 12596 states have call successors, (12596), 5451 states have call predecessors, (12596), 5649 states have return successors, (13625), 12308 states have call predecessors, (13625), 12596 states have call successors, (13625) [2022-10-16 12:45:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70956 states to 70956 states and 97634 transitions. [2022-10-16 12:45:57,542 INFO L78 Accepts]: Start accepts. Automaton has 70956 states and 97634 transitions. Word has length 50 [2022-10-16 12:45:57,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:57,544 INFO L495 AbstractCegarLoop]: Abstraction has 70956 states and 97634 transitions. [2022-10-16 12:45:57,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:45:57,544 INFO L276 IsEmpty]: Start isEmpty. Operand 70956 states and 97634 transitions. [2022-10-16 12:45:57,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 12:45:57,548 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:57,548 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:45:57,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 12:45:57,548 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting cmd_allocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:45:57,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:57,549 INFO L85 PathProgramCache]: Analyzing trace with hash 965963773, now seen corresponding path program 1 times [2022-10-16 12:45:57,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:57,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958301104] [2022-10-16 12:45:57,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:57,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 12:45:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 12:45:57,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:57,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958301104] [2022-10-16 12:45:57,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958301104] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:45:57,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:45:57,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:45:57,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761825276] [2022-10-16 12:45:57,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:45:57,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:45:57,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:57,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:45:57,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:45:57,899 INFO L87 Difference]: Start difference. First operand 70956 states and 97634 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:46:01,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:01,690 INFO L93 Difference]: Finished difference Result 71330 states and 98174 transitions. [2022-10-16 12:46:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:46:01,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-10-16 12:46:01,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:01,911 INFO L225 Difference]: With dead ends: 71330 [2022-10-16 12:46:01,912 INFO L226 Difference]: Without dead ends: 71329 [2022-10-16 12:46:01,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:46:01,941 INFO L413 NwaCegarLoop]: 2001 mSDtfsCounter, 11 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3994 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:01,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3994 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:46:01,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71329 states. [2022-10-16 12:46:05,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71329 to 70955. [2022-10-16 12:46:05,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70955 states, 52632 states have (on average 1.3554301565587474) internal successors, (71339), 53596 states have internal predecessors, (71339), 12596 states have call successors, (12596), 5451 states have call predecessors, (12596), 5649 states have return successors, (13625), 12308 states have call predecessors, (13625), 12596 states have call successors, (13625) [2022-10-16 12:46:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70955 states to 70955 states and 97560 transitions. [2022-10-16 12:46:06,487 INFO L78 Accepts]: Start accepts. Automaton has 70955 states and 97560 transitions. Word has length 51 [2022-10-16 12:46:06,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:06,487 INFO L495 AbstractCegarLoop]: Abstraction has 70955 states and 97560 transitions. [2022-10-16 12:46:06,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:46:06,489 INFO L276 IsEmpty]: Start isEmpty. Operand 70955 states and 97560 transitions. [2022-10-16 12:46:06,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 12:46:06,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:06,494 INFO L195 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] [2022-10-16 12:46:06,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 12:46:06,494 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-16 12:46:06,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:06,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1662227967, now seen corresponding path program 1 times [2022-10-16 12:46:06,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:06,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081223063] [2022-10-16 12:46:06,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:06,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 12:46:06,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:06,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081223063] [2022-10-16 12:46:06,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081223063] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:46:06,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092365532] [2022-10-16 12:46:06,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:06,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:46:06,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:46:06,771 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:46:06,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 12:46:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:07,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:46:07,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:46:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 12:46:07,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:46:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 12:46:07,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092365532] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:46:07,495 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:46:07,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-10-16 12:46:07,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770227620] [2022-10-16 12:46:07,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:46:07,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:46:07,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:07,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:46:07,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:46:07,497 INFO L87 Difference]: Start difference. First operand 70955 states and 97560 transitions. Second operand has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 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) [2022-10-16 12:46:25,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:25,732 INFO L93 Difference]: Finished difference Result 254151 states and 349749 transitions. [2022-10-16 12:46:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:46:25,733 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-10-16 12:46:25,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:27,142 INFO L225 Difference]: With dead ends: 254151 [2022-10-16 12:46:27,142 INFO L226 Difference]: Without dead ends: 254145 [2022-10-16 12:46:27,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:46:27,245 INFO L413 NwaCegarLoop]: 3202 mSDtfsCounter, 11161 mSDsluCounter, 7055 mSDsCounter, 0 mSdLazyCounter, 3406 mSolverCounterSat, 1174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11161 SdHoareTripleChecker+Valid, 10257 SdHoareTripleChecker+Invalid, 4580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1174 IncrementalHoareTripleChecker+Valid, 3406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:27,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11161 Valid, 10257 Invalid, 4580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1174 Valid, 3406 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-10-16 12:46:27,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254145 states.