/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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:00:36,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:00:36,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:00:36,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:00:36,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:00:36,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:00:36,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:00:36,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:00:36,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:00:36,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:00:36,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:00:36,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:00:36,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:00:36,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:00:36,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:00:36,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:00:36,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:00:36,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:00:36,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:00:36,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:00:36,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:00:36,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:00:36,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:00:36,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:00:36,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:00:36,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:00:36,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:00:36,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:00:36,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:00:36,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:00:36,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:00:36,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:00:36,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:00:36,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:00:36,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:00:36,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:00:36,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:00:36,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:00:36,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:00:36,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:00:36,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:00:36,915 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 21:00:36,969 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:00:36,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:00:36,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:00:36,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:00:36,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:00:36,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:00:36,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:00:36,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:00:36,973 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:00:36,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:00:36,974 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:00:36,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:00:36,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:00:36,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:00:36,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:00:36,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:00:36,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:00:36,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:00:36,976 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:00:36,976 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:00:36,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:00:36,976 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:00:36,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:00:36,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:00:36,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:00:36,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:00:36,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:00:36,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:00:36,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:00:36,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:00:36,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:00:36,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:00:36,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:00:36,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:00:37,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:00:37,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:00:37,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:00:37,500 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:00:37,501 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:00:37,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2022-10-15 21:00:37,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14853cb1/34e818e1798447ff90000c6eef8c527b/FLAGaa0c8fe09 [2022-10-15 21:00:38,778 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:00:38,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2022-10-15 21:00:38,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14853cb1/34e818e1798447ff90000c6eef8c527b/FLAGaa0c8fe09 [2022-10-15 21:00:39,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14853cb1/34e818e1798447ff90000c6eef8c527b [2022-10-15 21:00:39,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:00:39,208 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:00:39,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:00:39,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:00:39,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:00:39,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:00:39" (1/1) ... [2022-10-15 21:00:39,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba159f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:39, skipping insertion in model container [2022-10-15 21:00:39,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:00:39" (1/1) ... [2022-10-15 21:00:39,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:00:39,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:00:41,204 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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2022-10-15 21:00:41,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:00:41,386 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:00:41,950 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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2022-10-15 21:00:41,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:00:42,094 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:00:42,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42 WrapperNode [2022-10-15 21:00:42,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:00:42,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:00:42,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:00:42,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:00:42,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,423 INFO L138 Inliner]: procedures = 183, calls = 870, calls flagged for inlining = 82, calls inlined = 60, statements flattened = 1459 [2022-10-15 21:00:42,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:00:42,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:00:42,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:00:42,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:00:42,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,656 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:00:42,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:00:42,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:00:42,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:00:42,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (1/1) ... [2022-10-15 21:00:42,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:00:42,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:42,737 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 21:00:42,785 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 21:00:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-15 21:00:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-15 21:00:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:00:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2022-10-15 21:00:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2022-10-15 21:00:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:00:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2022-10-15 21:00:42,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2022-10-15 21:00:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2022-10-15 21:00:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2022-10-15 21:00:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:00:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:00:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-10-15 21:00:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-10-15 21:00:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:00:42,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:00:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-15 21:00:42,858 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-15 21:00:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:00:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:00:42,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:00:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 21:00:42,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 21:00:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:00:42,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:00:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-10-15 21:00:42,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-10-15 21:00:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:00:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:00:42,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:00:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:00:42,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:00:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:00:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-15 21:00:42,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-10-15 21:00:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:00:42,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 21:00:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:00:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:00:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:00:42,861 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:00:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2022-10-15 21:00:42,861 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2022-10-15 21:00:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2022-10-15 21:00:42,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2022-10-15 21:00:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:00:42,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:00:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:00:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-15 21:00:42,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-15 21:00:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2022-10-15 21:00:42,863 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2022-10-15 21:00:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2022-10-15 21:00:42,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2022-10-15 21:00:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 21:00:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 21:00:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:00:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2022-10-15 21:00:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2022-10-15 21:00:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:00:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-15 21:00:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-15 21:00:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2022-10-15 21:00:42,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2022-10-15 21:00:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2022-10-15 21:00:42,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2022-10-15 21:00:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-15 21:00:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-15 21:00:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:00:42,870 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:00:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:00:42,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:00:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:00:42,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:00:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-15 21:00:42,871 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-15 21:00:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-15 21:00:42,872 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-15 21:00:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:00:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:00:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:00:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-15 21:00:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-15 21:00:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:00:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:00:43,732 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:00:43,739 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:00:46,798 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:00:46,814 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:00:46,815 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:00:46,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:00:46 BoogieIcfgContainer [2022-10-15 21:00:46,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:00:46,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:00:46,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:00:46,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:00:46,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:00:39" (1/3) ... [2022-10-15 21:00:46,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c35c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:00:46, skipping insertion in model container [2022-10-15 21:00:46,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:42" (2/3) ... [2022-10-15 21:00:46,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c35c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:00:46, skipping insertion in model container [2022-10-15 21:00:46,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:00:46" (3/3) ... [2022-10-15 21:00:46,831 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2022-10-15 21:00:46,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:00:46,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-15 21:00:46,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:00:46,962 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;@775968c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:00:46,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-15 21:00:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 578 states, 395 states have (on average 1.2886075949367088) internal successors, (509), 417 states have internal predecessors, (509), 138 states have call successors, (138), 36 states have call predecessors, (138), 36 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2022-10-15 21:00:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-15 21:00:46,995 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:46,996 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] [2022-10-15 21:00:46,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:00:47,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:47,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2084507716, now seen corresponding path program 1 times [2022-10-15 21:00:47,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:47,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025649263] [2022-10-15 21:00:47,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:47,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:00:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:48,138 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 21:00:48,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:48,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025649263] [2022-10-15 21:00:48,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025649263] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:48,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:48,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:00:48,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300836729] [2022-10-15 21:00:48,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:48,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:00:48,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:48,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:00:48,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:00:48,200 INFO L87 Difference]: Start difference. First operand has 578 states, 395 states have (on average 1.2886075949367088) internal successors, (509), 417 states have internal predecessors, (509), 138 states have call successors, (138), 36 states have call predecessors, (138), 36 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:00:50,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:50,397 INFO L93 Difference]: Finished difference Result 1285 states and 1787 transitions. [2022-10-15 21:00:50,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:00:50,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-10-15 21:00:50,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:50,429 INFO L225 Difference]: With dead ends: 1285 [2022-10-15 21:00:50,429 INFO L226 Difference]: Without dead ends: 695 [2022-10-15 21:00:50,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:00:50,448 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 446 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:50,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1344 Invalid, 761 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [167 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 21:00:50,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2022-10-15 21:00:50,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 642. [2022-10-15 21:00:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 446 states have (on average 1.2937219730941705) internal successors, (577), 462 states have internal predecessors, (577), 155 states have call successors, (155), 35 states have call predecessors, (155), 35 states have return successors, (155), 153 states have call predecessors, (155), 155 states have call successors, (155) [2022-10-15 21:00:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 887 transitions. [2022-10-15 21:00:50,659 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 887 transitions. Word has length 28 [2022-10-15 21:00:50,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:50,661 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 887 transitions. [2022-10-15 21:00:50,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:00:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 887 transitions. [2022-10-15 21:00:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-15 21:00:50,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:50,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:50,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:00:50,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:00:50,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:50,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1047848143, now seen corresponding path program 1 times [2022-10-15 21:00:50,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:50,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208187532] [2022-10-15 21:00:50,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:51,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:51,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-15 21:00:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:51,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:00:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:51,340 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 21:00:51,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:51,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208187532] [2022-10-15 21:00:51,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208187532] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:51,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:51,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:00:51,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647693222] [2022-10-15 21:00:51,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:51,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:00:51,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:51,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:00:51,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:00:51,352 INFO L87 Difference]: Start difference. First operand 642 states and 887 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:00:51,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:51,502 INFO L93 Difference]: Finished difference Result 1549 states and 2187 transitions. [2022-10-15 21:00:51,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:00:51,506 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2022-10-15 21:00:51,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:51,523 INFO L225 Difference]: With dead ends: 1549 [2022-10-15 21:00:51,523 INFO L226 Difference]: Without dead ends: 915 [2022-10-15 21:00:51,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 21:00:51,533 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 160 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:51,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 1705 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:00:51,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2022-10-15 21:00:51,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 762. [2022-10-15 21:00:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 530 states have (on average 1.3150943396226416) internal successors, (697), 552 states have internal predecessors, (697), 191 states have call successors, (191), 35 states have call predecessors, (191), 35 states have return successors, (191), 189 states have call predecessors, (191), 191 states have call successors, (191) [2022-10-15 21:00:51,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1079 transitions. [2022-10-15 21:00:51,641 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1079 transitions. Word has length 42 [2022-10-15 21:00:51,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:51,642 INFO L495 AbstractCegarLoop]: Abstraction has 762 states and 1079 transitions. [2022-10-15 21:00:51,642 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:00:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1079 transitions. [2022-10-15 21:00:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 21:00:51,651 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:51,652 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:51,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:00:51,653 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:00:51,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:51,654 INFO L85 PathProgramCache]: Analyzing trace with hash -2105786146, now seen corresponding path program 1 times [2022-10-15 21:00:51,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:51,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677487796] [2022-10-15 21:00:51,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:51,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:52,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-15 21:00:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:52,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:00:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:00:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:52,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:00:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:00:52,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:52,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677487796] [2022-10-15 21:00:52,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677487796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:52,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:52,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:00:52,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47699157] [2022-10-15 21:00:52,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:52,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:00:52,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:52,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:00:52,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:00:52,431 INFO L87 Difference]: Start difference. First operand 762 states and 1079 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:00:52,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:52,527 INFO L93 Difference]: Finished difference Result 915 states and 1303 transitions. [2022-10-15 21:00:52,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:00:52,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2022-10-15 21:00:52,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:52,544 INFO L225 Difference]: With dead ends: 915 [2022-10-15 21:00:52,545 INFO L226 Difference]: Without dead ends: 914 [2022-10-15 21:00:52,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 21:00:52,555 INFO L413 NwaCegarLoop]: 911 mSDtfsCounter, 161 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 1605 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 [2022-10-15 21:00:52,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 1605 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:00:52,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2022-10-15 21:00:52,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 761. [2022-10-15 21:00:52,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 530 states have (on average 1.3113207547169812) internal successors, (695), 551 states have internal predecessors, (695), 191 states have call successors, (191), 35 states have call predecessors, (191), 35 states have return successors, (191), 189 states have call predecessors, (191), 191 states have call successors, (191) [2022-10-15 21:00:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1077 transitions. [2022-10-15 21:00:52,672 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1077 transitions. Word has length 65 [2022-10-15 21:00:52,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:52,676 INFO L495 AbstractCegarLoop]: Abstraction has 761 states and 1077 transitions. [2022-10-15 21:00:52,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:00:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1077 transitions. [2022-10-15 21:00:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 21:00:52,681 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:52,681 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:52,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:00:52,685 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:00:52,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:52,687 INFO L85 PathProgramCache]: Analyzing trace with hash -854860116, now seen corresponding path program 1 times [2022-10-15 21:00:52,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:52,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666031817] [2022-10-15 21:00:52,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:52,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-15 21:00:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:00:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:00:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:00:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 21:00:53,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:53,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666031817] [2022-10-15 21:00:53,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666031817] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:53,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372074831] [2022-10-15 21:00:53,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:53,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:53,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:53,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:53,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:00:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:54,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:00:54,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:54,252 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 21:00:54,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:00:54,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372074831] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:54,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:00:54,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-15 21:00:54,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655862073] [2022-10-15 21:00:54,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:54,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:00:54,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:54,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:00:54,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:00:54,257 INFO L87 Difference]: Start difference. First operand 761 states and 1077 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-15 21:00:54,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:54,628 INFO L93 Difference]: Finished difference Result 1063 states and 1521 transitions. [2022-10-15 21:00:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:00:54,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2022-10-15 21:00:54,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:54,639 INFO L225 Difference]: With dead ends: 1063 [2022-10-15 21:00:54,639 INFO L226 Difference]: Without dead ends: 1062 [2022-10-15 21:00:54,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:00:54,642 INFO L413 NwaCegarLoop]: 1080 mSDtfsCounter, 389 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:54,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 1968 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:00:54,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-10-15 21:00:54,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 642. [2022-10-15 21:00:54,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 448 states have (on average 1.2834821428571428) internal successors, (575), 462 states have internal predecessors, (575), 155 states have call successors, (155), 35 states have call predecessors, (155), 35 states have return successors, (155), 153 states have call predecessors, (155), 155 states have call successors, (155) [2022-10-15 21:00:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 885 transitions. [2022-10-15 21:00:54,713 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 885 transitions. Word has length 66 [2022-10-15 21:00:54,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:54,714 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 885 transitions. [2022-10-15 21:00:54,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-15 21:00:54,715 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 885 transitions. [2022-10-15 21:00:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 21:00:54,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:54,719 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:00:54,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 21:00:54,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:54,935 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:00:54,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:54,936 INFO L85 PathProgramCache]: Analyzing trace with hash -684344433, now seen corresponding path program 1 times [2022-10-15 21:00:54,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:54,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129752528] [2022-10-15 21:00:54,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:54,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:00:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:00:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:55,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:00:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:55,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 21:00:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:00:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:00:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:00:55,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:55,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129752528] [2022-10-15 21:00:55,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129752528] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:55,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:55,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:00:55,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554775425] [2022-10-15 21:00:55,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:55,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:00:55,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:55,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:00:55,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:00:55,630 INFO L87 Difference]: Start difference. First operand 642 states and 885 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:00:58,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:58,244 INFO L93 Difference]: Finished difference Result 1331 states and 1836 transitions. [2022-10-15 21:00:58,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:00:58,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 81 [2022-10-15 21:00:58,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:58,264 INFO L225 Difference]: With dead ends: 1331 [2022-10-15 21:00:58,264 INFO L226 Difference]: Without dead ends: 693 [2022-10-15 21:00:58,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:00:58,282 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 607 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 1789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:58,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 1521 Invalid, 1789 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [422 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 21:00:58,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2022-10-15 21:00:58,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 642. [2022-10-15 21:00:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 448 states have (on average 1.28125) internal successors, (574), 462 states have internal predecessors, (574), 155 states have call successors, (155), 35 states have call predecessors, (155), 35 states have return successors, (155), 153 states have call predecessors, (155), 155 states have call successors, (155) [2022-10-15 21:00:58,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 884 transitions. [2022-10-15 21:00:58,374 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 884 transitions. Word has length 81 [2022-10-15 21:00:58,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:58,375 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 884 transitions. [2022-10-15 21:00:58,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:00:58,376 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 884 transitions. [2022-10-15 21:00:58,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 21:00:58,383 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:58,383 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:00:58,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:00:58,384 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:00:58,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:58,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1898937343, now seen corresponding path program 1 times [2022-10-15 21:00:58,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:58,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662300928] [2022-10-15 21:00:58,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:58,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:58,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:00:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:58,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:00:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:59,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:00:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:59,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:00:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:59,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:59,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:00:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:00:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:00:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:59,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:00:59,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:59,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662300928] [2022-10-15 21:00:59,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662300928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:59,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:59,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:00:59,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885956655] [2022-10-15 21:00:59,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:59,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:00:59,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:59,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:00:59,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:00:59,129 INFO L87 Difference]: Start difference. First operand 642 states and 884 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-15 21:01:01,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:01:01,775 INFO L93 Difference]: Finished difference Result 1334 states and 1838 transitions. [2022-10-15 21:01:01,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:01:01,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 88 [2022-10-15 21:01:01,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:01:01,784 INFO L225 Difference]: With dead ends: 1334 [2022-10-15 21:01:01,784 INFO L226 Difference]: Without dead ends: 693 [2022-10-15 21:01:01,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:01:01,790 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 626 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:01:01,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 1725 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 1848 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 21:01:01,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2022-10-15 21:01:01,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 642. [2022-10-15 21:01:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 448 states have (on average 1.2790178571428572) internal successors, (573), 462 states have internal predecessors, (573), 155 states have call successors, (155), 35 states have call predecessors, (155), 35 states have return successors, (155), 153 states have call predecessors, (155), 155 states have call successors, (155) [2022-10-15 21:01:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 883 transitions. [2022-10-15 21:01:01,862 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 883 transitions. Word has length 88 [2022-10-15 21:01:01,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:01:01,863 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 883 transitions. [2022-10-15 21:01:01,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-15 21:01:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 883 transitions. [2022-10-15 21:01:01,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 21:01:01,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:01:01,868 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:01:01,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:01:01,868 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:01:01,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:01:01,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2016045457, now seen corresponding path program 1 times [2022-10-15 21:01:01,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:01:01,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526365014] [2022-10-15 21:01:01,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:01:01,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:01:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:01:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:01:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:01:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:01:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:01:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-15 21:01:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-15 21:01:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:01:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-15 21:01:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-15 21:01:02,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:01:02,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526365014] [2022-10-15 21:01:02,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526365014] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:01:02,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:01:02,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:01:02,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113379484] [2022-10-15 21:01:02,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:01:02,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:01:02,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:01:02,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:01:02,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:01:02,583 INFO L87 Difference]: Start difference. First operand 642 states and 883 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-15 21:01:05,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:01:05,415 INFO L93 Difference]: Finished difference Result 1334 states and 1836 transitions. [2022-10-15 21:01:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:01:05,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 102 [2022-10-15 21:01:05,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:01:05,424 INFO L225 Difference]: With dead ends: 1334 [2022-10-15 21:01:05,424 INFO L226 Difference]: Without dead ends: 693 [2022-10-15 21:01:05,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:01:05,429 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 660 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 2266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:01:05,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 1684 Invalid, 2266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1828 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-15 21:01:05,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2022-10-15 21:01:05,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 642. [2022-10-15 21:01:05,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 448 states have (on average 1.2767857142857142) internal successors, (572), 461 states have internal predecessors, (572), 155 states have call successors, (155), 35 states have call predecessors, (155), 35 states have return successors, (155), 153 states have call predecessors, (155), 155 states have call successors, (155) [2022-10-15 21:01:05,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 882 transitions. [2022-10-15 21:01:05,489 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 882 transitions. Word has length 102 [2022-10-15 21:01:05,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:01:05,489 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 882 transitions. [2022-10-15 21:01:05,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-15 21:01:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 882 transitions. [2022-10-15 21:01:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 21:01:05,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:01:05,494 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:01:05,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:01:05,494 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:01:05,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:01:05,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1723238073, now seen corresponding path program 1 times [2022-10-15 21:01:05,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:01:05,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965834799] [2022-10-15 21:01:05,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:01:05,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:01:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:01:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:05,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:01:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:05,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:01:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:05,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:01:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:01:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:01:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:01:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:06,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:01:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:06,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 21:01:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:06,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-15 21:01:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:06,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-15 21:01:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-15 21:01:06,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:01:06,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965834799] [2022-10-15 21:01:06,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965834799] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:01:06,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:01:06,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 21:01:06,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656863106] [2022-10-15 21:01:06,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:01:06,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:01:06,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:01:06,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:01:06,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:01:06,259 INFO L87 Difference]: Start difference. First operand 642 states and 882 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-15 21:01:09,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:01:09,526 INFO L93 Difference]: Finished difference Result 1337 states and 1839 transitions. [2022-10-15 21:01:09,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:01:09,527 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 114 [2022-10-15 21:01:09,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:01:09,535 INFO L225 Difference]: With dead ends: 1337 [2022-10-15 21:01:09,535 INFO L226 Difference]: Without dead ends: 693 [2022-10-15 21:01:09,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:01:09,542 INFO L413 NwaCegarLoop]: 687 mSDtfsCounter, 647 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 2619 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 3050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 2619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:01:09,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 2101 Invalid, 3050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [431 Valid, 2619 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-15 21:01:09,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2022-10-15 21:01:09,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 642. [2022-10-15 21:01:09,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 448 states have (on average 1.2723214285714286) internal successors, (570), 461 states have internal predecessors, (570), 155 states have call successors, (155), 35 states have call predecessors, (155), 35 states have return successors, (155), 153 states have call predecessors, (155), 155 states have call successors, (155) [2022-10-15 21:01:09,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 880 transitions. [2022-10-15 21:01:09,614 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 880 transitions. Word has length 114 [2022-10-15 21:01:09,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:01:09,614 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 880 transitions. [2022-10-15 21:01:09,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-15 21:01:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 880 transitions. [2022-10-15 21:01:09,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-15 21:01:09,620 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:01:09,620 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:01:09,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:01:09,621 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:01:09,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:01:09,622 INFO L85 PathProgramCache]: Analyzing trace with hash -461300661, now seen corresponding path program 1 times [2022-10-15 21:01:09,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:01:09,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711608434] [2022-10-15 21:01:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:01:09,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:01:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:01:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:01:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:01:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:01:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:01:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:01:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-15 21:01:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-15 21:01:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-15 21:01:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-15 21:01:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-15 21:01:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-15 21:01:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 21:01:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-15 21:01:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 21:01:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 21:01:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-15 21:01:10,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:01:10,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711608434] [2022-10-15 21:01:10,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711608434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:01:10,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:01:10,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-15 21:01:10,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904772226] [2022-10-15 21:01:10,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:01:10,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 21:01:10,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:01:10,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 21:01:10,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:01:10,791 INFO L87 Difference]: Start difference. First operand 642 states and 880 transitions. Second operand has 10 states, 10 states have (on average 10.5) internal successors, (105), 6 states have internal predecessors, (105), 3 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-10-15 21:01:15,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:01:15,048 INFO L93 Difference]: Finished difference Result 1430 states and 1983 transitions. [2022-10-15 21:01:15,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 21:01:15,049 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.5) internal successors, (105), 6 states have internal predecessors, (105), 3 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 155 [2022-10-15 21:01:15,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:01:15,059 INFO L225 Difference]: With dead ends: 1430 [2022-10-15 21:01:15,059 INFO L226 Difference]: Without dead ends: 786 [2022-10-15 21:01:15,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:01:15,066 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 987 mSDsluCounter, 1538 mSDsCounter, 0 mSdLazyCounter, 3137 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 2161 SdHoareTripleChecker+Invalid, 3924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 3137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:01:15,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 2161 Invalid, 3924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [787 Valid, 3137 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-15 21:01:15,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2022-10-15 21:01:15,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 642. [2022-10-15 21:01:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 448 states have (on average 1.2700892857142858) internal successors, (569), 461 states have internal predecessors, (569), 155 states have call successors, (155), 35 states have call predecessors, (155), 35 states have return successors, (155), 153 states have call predecessors, (155), 155 states have call successors, (155) [2022-10-15 21:01:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 879 transitions. [2022-10-15 21:01:15,149 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 879 transitions. Word has length 155 [2022-10-15 21:01:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:01:15,149 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 879 transitions. [2022-10-15 21:01:15,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.5) internal successors, (105), 6 states have internal predecessors, (105), 3 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-10-15 21:01:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 879 transitions. [2022-10-15 21:01:15,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-15 21:01:15,158 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:01:15,158 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:01:15,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:01:15,159 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:01:15,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:01:15,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1700235475, now seen corresponding path program 1 times [2022-10-15 21:01:15,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:01:15,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428188601] [2022-10-15 21:01:15,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:01:15,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:01:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:01:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:15,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:01:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:01:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:01:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:01:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:15,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:01:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:15,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-15 21:01:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-15 21:01:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-15 21:01:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:01:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 21:01:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:01:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-15 21:01:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-15 21:01:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-15 21:01:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-15 21:01:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-15 21:01:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-15 21:01:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 21:01:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:16,426 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-15 21:01:16,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:01:16,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428188601] [2022-10-15 21:01:16,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428188601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:01:16,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:01:16,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:01:16,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605627314] [2022-10-15 21:01:16,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:01:16,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:01:16,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:01:16,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:01:16,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:01:16,433 INFO L87 Difference]: Start difference. First operand 642 states and 879 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-15 21:01:20,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:01:20,280 INFO L93 Difference]: Finished difference Result 1513 states and 2117 transitions. [2022-10-15 21:01:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:01:20,281 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 171 [2022-10-15 21:01:20,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:01:20,291 INFO L225 Difference]: With dead ends: 1513 [2022-10-15 21:01:20,291 INFO L226 Difference]: Without dead ends: 879 [2022-10-15 21:01:20,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:01:20,298 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 1256 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 1952 mSolverCounterSat, 898 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 2171 SdHoareTripleChecker+Invalid, 2850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 898 IncrementalHoareTripleChecker+Valid, 1952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:01:20,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 2171 Invalid, 2850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [898 Valid, 1952 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-15 21:01:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2022-10-15 21:01:20,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 638. [2022-10-15 21:01:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 446 states have (on average 1.2690582959641257) internal successors, (566), 459 states have internal predecessors, (566), 153 states have call successors, (153), 35 states have call predecessors, (153), 35 states have return successors, (153), 151 states have call predecessors, (153), 153 states have call successors, (153) [2022-10-15 21:01:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 872 transitions. [2022-10-15 21:01:20,397 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 872 transitions. Word has length 171 [2022-10-15 21:01:20,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:01:20,398 INFO L495 AbstractCegarLoop]: Abstraction has 638 states and 872 transitions. [2022-10-15 21:01:20,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-15 21:01:20,399 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 872 transitions. [2022-10-15 21:01:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-10-15 21:01:20,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:01:20,406 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:01:20,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:01:20,407 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_request_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_request_releaseErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 21:01:20,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:01:20,408 INFO L85 PathProgramCache]: Analyzing trace with hash -707600202, now seen corresponding path program 1 times [2022-10-15 21:01:20,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:01:20,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444484535] [2022-10-15 21:01:20,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:01:20,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:01:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:01:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:01:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:01:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:01:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:01:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:01:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-15 21:01:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-15 21:01:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-15 21:01:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:01:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 21:01:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:01:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-15 21:01:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-15 21:01:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-15 21:01:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 21:01:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-15 21:01:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:22,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:01:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:23,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-15 21:01:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:23,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-15 21:01:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:23,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-15 21:01:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:01:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-15 21:01:23,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:01:23,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444484535] [2022-10-15 21:01:23,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444484535] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:01:23,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326150772] [2022-10-15 21:01:23,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:01:23,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:01:23,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:01:23,126 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) [2022-10-15 21:01:23,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process