/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--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:07:39,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:07:39,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:07:39,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:07:39,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:07:39,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:07:39,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:07:39,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:07:39,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:07:39,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:07:39,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:07:39,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:07:39,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:07:39,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:07:39,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:07:39,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:07:39,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:07:39,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:07:39,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:07:39,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:07:39,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:07:39,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:07:39,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:07:39,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:07:39,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:07:39,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:07:39,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:07:39,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:07:39,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:07:39,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:07:39,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:07:39,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:07:39,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:07:39,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:07:39,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:07:39,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:07:39,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:07:39,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:07:39,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:07:39,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:07:39,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:07:39,416 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 [2022-10-15 21:07:39,470 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:07:39,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:07:39,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:07:39,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:07:39,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:07:39,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:07:39,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:07:39,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:07:39,477 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:07:39,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:07:39,478 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:07:39,478 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:07:39,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:07:39,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:07:39,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:07:39,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:07:39,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:07:39,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:07:39,480 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:07:39,480 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:07:39,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:07:39,480 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:07:39,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:07:39,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:07:39,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:07:39,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:07:39,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:07:39,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:07:39,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:07:39,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:07:39,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:07:39,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:07:39,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:07:39,483 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:07:39,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:07:39,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:07:39,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:07:39,904 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:07:39,905 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:07:39,907 INFO L432 ainManager$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--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2022-10-15 21:07:40,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06380d8b/591e76299a3242db9418bee68a3fa4de/FLAG6ca35ed78 [2022-10-15 21:07:41,067 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:07:41,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2022-10-15 21:07:41,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06380d8b/591e76299a3242db9418bee68a3fa4de/FLAG6ca35ed78 [2022-10-15 21:07:41,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06380d8b/591e76299a3242db9418bee68a3fa4de [2022-10-15 21:07:41,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:07:41,555 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:07:41,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:07:41,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:07:41,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:07:41,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:07:41" (1/1) ... [2022-10-15 21:07:41,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a8f0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:41, skipping insertion in model container [2022-10-15 21:07:41,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:07:41" (1/1) ... [2022-10-15 21:07:41,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:07:41,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:07:43,226 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--pcmcia--pcmcia_rsrc.ko-main.cil.out.i[120339,120352] [2022-10-15 21:07:43,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:07:43,345 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:07:43,745 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--pcmcia--pcmcia_rsrc.ko-main.cil.out.i[120339,120352] [2022-10-15 21:07:43,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:07:43,824 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:07:43,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43 WrapperNode [2022-10-15 21:07:43,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:07:43,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:07:43,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:07:43,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:07:43,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:43,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:44,071 INFO L138 Inliner]: procedures = 152, calls = 622, calls flagged for inlining = 41, calls inlined = 41, statements flattened = 1778 [2022-10-15 21:07:44,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:07:44,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:07:44,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:07:44,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:07:44,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:44,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:44,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:44,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:44,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:44,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:44,294 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:44,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:44,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:07:44,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:07:44,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:07:44,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:07:44,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (1/1) ... [2022-10-15 21:07:44,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:07:44,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:07:44,390 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) [2022-10-15 21:07:44,412 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 [2022-10-15 21:07:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:07:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:07:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2022-10-15 21:07:44,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2022-10-15 21:07:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2022-10-15 21:07:44,462 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2022-10-15 21:07:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:07:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2022-10-15 21:07:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2022-10-15 21:07:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:07:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:07:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2022-10-15 21:07:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2022-10-15 21:07:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:07:44,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:07:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2022-10-15 21:07:44,464 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2022-10-15 21:07:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:07:44,465 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:07:44,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:07:44,465 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2022-10-15 21:07:44,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2022-10-15 21:07:44,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:07:44,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:07:44,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:07:44,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:07:44,466 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2022-10-15 21:07:44,467 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2022-10-15 21:07:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2022-10-15 21:07:44,467 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2022-10-15 21:07:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2022-10-15 21:07:44,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2022-10-15 21:07:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:07:44,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:07:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2022-10-15 21:07:44,468 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2022-10-15 21:07:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2022-10-15 21:07:44,468 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2022-10-15 21:07:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:07:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:07:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:07:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2022-10-15 21:07:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2022-10-15 21:07:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:07:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2022-10-15 21:07:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2022-10-15 21:07:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:07:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:07:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2022-10-15 21:07:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2022-10-15 21:07:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2022-10-15 21:07:44,471 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2022-10-15 21:07:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2022-10-15 21:07:44,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2022-10-15 21:07:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:07:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2022-10-15 21:07:44,472 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2022-10-15 21:07:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-10-15 21:07:44,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-10-15 21:07:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2022-10-15 21:07:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2022-10-15 21:07:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2022-10-15 21:07:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2022-10-15 21:07:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:07:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-15 21:07:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-15 21:07:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:07:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:07:44,474 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:07:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:07:44,474 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:07:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:07:44,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:07:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-15 21:07:44,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-15 21:07:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:07:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-10-15 21:07:44,476 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-10-15 21:07:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2022-10-15 21:07:44,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2022-10-15 21:07:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2022-10-15 21:07:44,476 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2022-10-15 21:07:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2022-10-15 21:07:44,477 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2022-10-15 21:07:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2022-10-15 21:07:44,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2022-10-15 21:07:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:07:44,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:07:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-10-15 21:07:44,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-10-15 21:07:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2022-10-15 21:07:44,478 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2022-10-15 21:07:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-10-15 21:07:44,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-10-15 21:07:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2022-10-15 21:07:44,479 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2022-10-15 21:07:45,094 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:07:45,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:07:47,017 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:07:47,034 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:07:47,034 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:07:47,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:07:47 BoogieIcfgContainer [2022-10-15 21:07:47,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:07:47,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:07:47,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:07:47,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:07:47,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:07:41" (1/3) ... [2022-10-15 21:07:47,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff1439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:07:47, skipping insertion in model container [2022-10-15 21:07:47,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:43" (2/3) ... [2022-10-15 21:07:47,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff1439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:07:47, skipping insertion in model container [2022-10-15 21:07:47,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:07:47" (3/3) ... [2022-10-15 21:07:47,049 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2022-10-15 21:07:47,072 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:07:47,072 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-15 21:07:47,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:07:47,167 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;@4be98364, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:07:47,168 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-15 21:07:47,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 781 states, 581 states have (on average 1.4888123924268502) internal successors, (865), 623 states have internal predecessors, (865), 123 states have call successors, (123), 42 states have call predecessors, (123), 42 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-10-15 21:07:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-15 21:07:47,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:47,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:47,192 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [do_validate_memErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, do_validate_memErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, show_mem_dbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:07:47,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:47,199 INFO L85 PathProgramCache]: Analyzing trace with hash -2129620663, now seen corresponding path program 1 times [2022-10-15 21:07:47,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:47,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106110608] [2022-10-15 21:07:47,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:47,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:47,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:47,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106110608] [2022-10-15 21:07:47,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106110608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:47,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:47,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:07:47,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618869221] [2022-10-15 21:07:47,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:47,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:07:47,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:47,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:07:47,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:07:47,794 INFO L87 Difference]: Start difference. First operand has 781 states, 581 states have (on average 1.4888123924268502) internal successors, (865), 623 states have internal predecessors, (865), 123 states have call successors, (123), 42 states have call predecessors, (123), 42 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-10-15 21:07:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:48,143 INFO L93 Difference]: Finished difference Result 2290 states and 3396 transitions. [2022-10-15 21:07:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:07:48,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-10-15 21:07:48,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:48,198 INFO L225 Difference]: With dead ends: 2290 [2022-10-15 21:07:48,199 INFO L226 Difference]: Without dead ends: 1476 [2022-10-15 21:07:48,214 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 [2022-10-15 21:07:48,219 INFO L413 NwaCegarLoop]: 1203 mSDtfsCounter, 1026 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 2269 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:48,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 2269 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:07:48,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2022-10-15 21:07:48,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1448. [2022-10-15 21:07:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1448 states, 1105 states have (on average 1.4633484162895927) internal successors, (1617), 1142 states have internal predecessors, (1617), 228 states have call successors, (228), 81 states have call predecessors, (228), 81 states have return successors, (228), 228 states have call predecessors, (228), 228 states have call successors, (228) [2022-10-15 21:07:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 2073 transitions. [2022-10-15 21:07:48,491 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 2073 transitions. Word has length 12 [2022-10-15 21:07:48,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:48,492 INFO L495 AbstractCegarLoop]: Abstraction has 1448 states and 2073 transitions. [2022-10-15 21:07:48,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-10-15 21:07:48,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 2073 transitions. [2022-10-15 21:07:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-15 21:07:48,496 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:48,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:48,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:07:48,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [do_validate_memErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, do_validate_memErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, show_mem_dbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:07:48,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:48,498 INFO L85 PathProgramCache]: Analyzing trace with hash -305525600, now seen corresponding path program 1 times [2022-10-15 21:07:48,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:48,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981648720] [2022-10-15 21:07:48,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:48,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:48,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:48,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981648720] [2022-10-15 21:07:48,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981648720] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:48,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:48,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:07:48,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531099823] [2022-10-15 21:07:48,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:48,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:07:48,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:48,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:07:48,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:07:48,671 INFO L87 Difference]: Start difference. First operand 1448 states and 2073 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-10-15 21:07:48,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:48,952 INFO L93 Difference]: Finished difference Result 4251 states and 6085 transitions. [2022-10-15 21:07:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:07:48,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2022-10-15 21:07:48,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:48,985 INFO L225 Difference]: With dead ends: 4251 [2022-10-15 21:07:48,985 INFO L226 Difference]: Without dead ends: 2806 [2022-10-15 21:07:48,996 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 [2022-10-15 21:07:48,998 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 1000 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 2283 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:48,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 2283 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:07:49,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2022-10-15 21:07:49,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2778. [2022-10-15 21:07:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 2142 states have (on average 1.4589169000933706) internal successors, (3125), 2183 states have internal predecessors, (3125), 444 states have call successors, (444), 158 states have call predecessors, (444), 158 states have return successors, (444), 444 states have call predecessors, (444), 444 states have call successors, (444) [2022-10-15 21:07:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 4013 transitions. [2022-10-15 21:07:49,308 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 4013 transitions. Word has length 14 [2022-10-15 21:07:49,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:49,309 INFO L495 AbstractCegarLoop]: Abstraction has 2778 states and 4013 transitions. [2022-10-15 21:07:49,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-10-15 21:07:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 4013 transitions. [2022-10-15 21:07:49,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-15 21:07:49,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:49,312 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] [2022-10-15 21:07:49,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:07:49,313 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting nonstatic_find_ioErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [do_validate_memErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, do_validate_memErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, show_mem_dbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:07:49,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:49,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1519915469, now seen corresponding path program 1 times [2022-10-15 21:07:49,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:49,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754107380] [2022-10-15 21:07:49,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:49,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:49,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:49,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754107380] [2022-10-15 21:07:49,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754107380] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:49,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:49,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:07:49,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874903940] [2022-10-15 21:07:49,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:49,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:07:49,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:49,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:07:49,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:07:49,434 INFO L87 Difference]: Start difference. First operand 2778 states and 4013 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-10-15 21:07:49,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:49,851 INFO L93 Difference]: Finished difference Result 8240 states and 11881 transitions. [2022-10-15 21:07:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:07:49,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 23 [2022-10-15 21:07:49,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:49,911 INFO L225 Difference]: With dead ends: 8240 [2022-10-15 21:07:49,911 INFO L226 Difference]: Without dead ends: 5465 [2022-10-15 21:07:49,935 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 [2022-10-15 21:07:49,936 INFO L413 NwaCegarLoop]: 1298 mSDtfsCounter, 1020 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 2346 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:49,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 2346 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:07:49,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5465 states. [2022-10-15 21:07:50,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5465 to 5431. [2022-10-15 21:07:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5431 states, 4213 states have (on average 1.455257536197484) internal successors, (6131), 4262 states have internal predecessors, (6131), 868 states have call successors, (868), 316 states have call predecessors, (868), 316 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2022-10-15 21:07:50,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5431 states to 5431 states and 7867 transitions. [2022-10-15 21:07:50,489 INFO L78 Accepts]: Start accepts. Automaton has 5431 states and 7867 transitions. Word has length 23 [2022-10-15 21:07:50,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:50,490 INFO L495 AbstractCegarLoop]: Abstraction has 5431 states and 7867 transitions. [2022-10-15 21:07:50,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-10-15 21:07:50,490 INFO L276 IsEmpty]: Start isEmpty. Operand 5431 states and 7867 transitions. [2022-10-15 21:07:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-15 21:07:50,496 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:50,496 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] [2022-10-15 21:07:50,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:07:50,506 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting nonstatic_find_ioErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [do_validate_memErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, do_validate_memErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, show_mem_dbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:07:50,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:50,507 INFO L85 PathProgramCache]: Analyzing trace with hash -524114274, now seen corresponding path program 1 times [2022-10-15 21:07:50,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:50,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377918661] [2022-10-15 21:07:50,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:50,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:50,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:50,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377918661] [2022-10-15 21:07:50,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377918661] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:50,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:50,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:07:50,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176282316] [2022-10-15 21:07:50,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:50,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:07:50,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:07:50,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:07:50,653 INFO L87 Difference]: Start difference. First operand 5431 states and 7867 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-10-15 21:07:51,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:51,344 INFO L93 Difference]: Finished difference Result 15391 states and 22259 transitions. [2022-10-15 21:07:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:07:51,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 25 [2022-10-15 21:07:51,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:51,451 INFO L225 Difference]: With dead ends: 15391 [2022-10-15 21:07:51,451 INFO L226 Difference]: Without dead ends: 9963 [2022-10-15 21:07:51,486 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 [2022-10-15 21:07:51,497 INFO L413 NwaCegarLoop]: 1818 mSDtfsCounter, 1018 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:51,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 2866 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:07:51,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9963 states. [2022-10-15 21:07:52,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9963 to 9929. [2022-10-15 21:07:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9929 states, 7703 states have (on average 1.4512527586654551) internal successors, (11179), 7768 states have internal predecessors, (11179), 1604 states have call successors, (1604), 588 states have call predecessors, (1604), 588 states have return successors, (1604), 1604 states have call predecessors, (1604), 1604 states have call successors, (1604) [2022-10-15 21:07:52,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9929 states to 9929 states and 14387 transitions. [2022-10-15 21:07:52,523 INFO L78 Accepts]: Start accepts. Automaton has 9929 states and 14387 transitions. Word has length 25 [2022-10-15 21:07:52,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:52,523 INFO L495 AbstractCegarLoop]: Abstraction has 9929 states and 14387 transitions. [2022-10-15 21:07:52,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-10-15 21:07:52,525 INFO L276 IsEmpty]: Start isEmpty. Operand 9929 states and 14387 transitions. [2022-10-15 21:07:52,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-15 21:07:52,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:52,528 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:52,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:07:52,529 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [do_validate_memErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, do_validate_memErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, show_mem_dbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:07:52,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:52,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1648657548, now seen corresponding path program 1 times [2022-10-15 21:07:52,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:52,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800462762] [2022-10-15 21:07:52,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:52,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:52,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:07:52,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:52,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800462762] [2022-10-15 21:07:52,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800462762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:52,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:52,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:07:52,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350355098] [2022-10-15 21:07:52,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:52,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:07:52,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:52,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:07:52,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:07:52,741 INFO L87 Difference]: Start difference. First operand 9929 states and 14387 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:07:53,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:53,803 INFO L93 Difference]: Finished difference Result 19855 states and 28771 transitions. [2022-10-15 21:07:53,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:07:53,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-10-15 21:07:53,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:53,970 INFO L225 Difference]: With dead ends: 19855 [2022-10-15 21:07:53,971 INFO L226 Difference]: Without dead ends: 19843 [2022-10-15 21:07:53,987 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 [2022-10-15 21:07:53,990 INFO L413 NwaCegarLoop]: 1176 mSDtfsCounter, 1026 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:53,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 2217 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:07:54,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19843 states. [2022-10-15 21:07:55,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19843 to 19821. [2022-10-15 21:07:55,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19821 states, 15403 states have (on average 1.4451080958254885) internal successors, (22259), 15500 states have internal predecessors, (22259), 3208 states have call successors, (3208), 1176 states have call predecessors, (3208), 1176 states have return successors, (3208), 3208 states have call predecessors, (3208), 3208 states have call successors, (3208) [2022-10-15 21:07:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19821 states to 19821 states and 28675 transitions. [2022-10-15 21:07:55,656 INFO L78 Accepts]: Start accepts. Automaton has 19821 states and 28675 transitions. Word has length 28 [2022-10-15 21:07:55,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:55,657 INFO L495 AbstractCegarLoop]: Abstraction has 19821 states and 28675 transitions. [2022-10-15 21:07:55,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:07:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 19821 states and 28675 transitions. [2022-10-15 21:07:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:07:55,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:55,660 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] [2022-10-15 21:07:55,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:07:55,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting show_io_dbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [do_validate_memErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, do_validate_memErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, show_mem_dbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:07:55,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:55,662 INFO L85 PathProgramCache]: Analyzing trace with hash -73785815, now seen corresponding path program 1 times [2022-10-15 21:07:55,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:55,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370469169] [2022-10-15 21:07:55,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:55,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:07:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:55,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:07:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:55,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:07:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:55,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:55,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370469169] [2022-10-15 21:07:55,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370469169] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:55,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:55,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:07:55,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545312507] [2022-10-15 21:07:55,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:55,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:07:55,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:55,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:07:55,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:07:55,936 INFO L87 Difference]: Start difference. First operand 19821 states and 28675 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:08:03,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:03,028 INFO L93 Difference]: Finished difference Result 75281 states and 112075 transitions. [2022-10-15 21:08:03,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:08:03,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2022-10-15 21:08:03,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:03,699 INFO L225 Difference]: With dead ends: 75281 [2022-10-15 21:08:03,699 INFO L226 Difference]: Without dead ends: 55463 [2022-10-15 21:08:03,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:08:03,859 INFO L413 NwaCegarLoop]: 1667 mSDtfsCounter, 2542 mSDsluCounter, 2094 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 895 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2666 SdHoareTripleChecker+Valid, 3761 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 895 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:03,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2666 Valid, 3761 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [895 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-15 21:08:03,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55463 states. [2022-10-15 21:08:07,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55463 to 38637. [2022-10-15 21:08:08,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38637 states, 30083 states have (on average 1.4422431273476715) internal successors, (43387), 30244 states have internal predecessors, (43387), 6176 states have call successors, (6176), 2344 states have call predecessors, (6176), 2344 states have return successors, (6176), 6176 states have call predecessors, (6176), 6176 states have call successors, (6176) [2022-10-15 21:08:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38637 states to 38637 states and 55739 transitions. [2022-10-15 21:08:08,450 INFO L78 Accepts]: Start accepts. Automaton has 38637 states and 55739 transitions. Word has length 37 [2022-10-15 21:08:08,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:08,451 INFO L495 AbstractCegarLoop]: Abstraction has 38637 states and 55739 transitions. [2022-10-15 21:08:08,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:08:08,452 INFO L276 IsEmpty]: Start isEmpty. Operand 38637 states and 55739 transitions. [2022-10-15 21:08:08,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-15 21:08:08,456 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:08,456 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] [2022-10-15 21:08:08,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:08:08,457 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting show_mem_dbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [do_validate_memErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, do_validate_memErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, show_mem_dbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:08:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1358958348, now seen corresponding path program 1 times [2022-10-15 21:08:08,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:08,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445507800] [2022-10-15 21:08:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:08,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:08:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:08:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:08,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:08:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:08:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:08:08,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:08,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445507800] [2022-10-15 21:08:08,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445507800] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:08,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:08,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:08:08,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969193557] [2022-10-15 21:08:08,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:08,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:08:08,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:08,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:08:08,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:08:08,598 INFO L87 Difference]: Start difference. First operand 38637 states and 55739 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:08:18,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:18,155 INFO L93 Difference]: Finished difference Result 141177 states and 209515 transitions. [2022-10-15 21:08:18,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:08:18,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2022-10-15 21:08:18,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:19,535 INFO L225 Difference]: With dead ends: 141177 [2022-10-15 21:08:19,535 INFO L226 Difference]: Without dead ends: 102543 [2022-10-15 21:08:19,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:08:19,799 INFO L413 NwaCegarLoop]: 1931 mSDtfsCounter, 2257 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2383 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 2259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:19,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2383 Valid, 4248 Invalid, 2259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [802 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-15 21:08:20,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102543 states.