/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:48:02,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:48:02,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:48:02,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:48:02,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:48:02,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:48:02,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:48:02,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:48:02,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:48:02,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:48:02,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:48:02,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:48:02,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:48:02,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:48:02,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:48:02,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:48:02,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:48:02,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:48:02,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:48:02,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:48:02,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:48:02,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:48:02,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:48:02,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:48:02,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:48:02,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:48:02,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:48:02,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:48:02,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:48:02,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:48:02,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:48:02,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:48:02,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:48:02,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:48:02,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:48:02,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:48:02,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:48:02,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:48:02,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:48:02,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:48:02,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:48:02,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:48:02,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:48:02,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:48:02,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:48:02,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:48:02,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:48:02,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:48:02,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:48:02,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:48:02,848 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:48:02,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:48:02,850 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:48:02,850 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:48:02,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:48:02,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:48:02,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:48:02,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:48:02,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:48:02,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:48:02,851 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:48:02,853 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:48:02,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:48:02,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:48:02,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:48:02,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:48:02,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:48:02,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:48:02,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:48:02,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:48:02,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:48:02,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:48:02,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:48:02,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:48:02,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:48:02,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:48:03,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:48:03,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:48:03,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:48:03,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:48:03,333 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:48:03,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-10-16 12:48:03,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373f7ac62/911985b22fb04d6abcd417136e0d13ad/FLAGd1e8e24eb [2022-10-16 12:48:04,503 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:48:04,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-10-16 12:48:04,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373f7ac62/911985b22fb04d6abcd417136e0d13ad/FLAGd1e8e24eb [2022-10-16 12:48:04,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373f7ac62/911985b22fb04d6abcd417136e0d13ad [2022-10-16 12:48:04,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:48:04,910 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:48:04,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:48:04,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:48:04,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:48:04,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:48:04" (1/1) ... [2022-10-16 12:48:04,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1a62c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:04, skipping insertion in model container [2022-10-16 12:48:04,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:48:04" (1/1) ... [2022-10-16 12:48:04,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:48:05,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:48:06,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2022-10-16 12:48:06,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:48:06,693 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:48:07,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2022-10-16 12:48:07,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:48:07,457 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:48:07,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07 WrapperNode [2022-10-16 12:48:07,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:48:07,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:48:07,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:48:07,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:48:07,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,694 INFO L138 Inliner]: procedures = 127, calls = 967, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 903 [2022-10-16 12:48:07,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:48:07,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:48:07,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:48:07,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:48:07,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,781 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:48:07,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:48:07,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:48:07,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:48:07,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (1/1) ... [2022-10-16 12:48:07,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:48:07,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:48:07,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:48:07,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:48:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-16 12:48:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-16 12:48:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2022-10-16 12:48:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2022-10-16 12:48:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-16 12:48:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-16 12:48:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:48:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 12:48:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 12:48:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:48:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:48:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2022-10-16 12:48:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2022-10-16 12:48:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:48:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:48:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:48:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:48:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:48:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2022-10-16 12:48:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2022-10-16 12:48:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:48:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:48:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:48:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:48:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2022-10-16 12:48:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2022-10-16 12:48:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:48:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-16 12:48:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-16 12:48:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:48:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:48:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:48:08,513 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:48:08,516 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:48:10,656 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:48:10,670 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:48:10,670 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:48:10,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:48:10 BoogieIcfgContainer [2022-10-16 12:48:10,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:48:10,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:48:10,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:48:10,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:48:10,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:48:04" (1/3) ... [2022-10-16 12:48:10,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46399273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:48:10, skipping insertion in model container [2022-10-16 12:48:10,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:07" (2/3) ... [2022-10-16 12:48:10,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46399273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:48:10, skipping insertion in model container [2022-10-16 12:48:10,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:48:10" (3/3) ... [2022-10-16 12:48:10,686 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-10-16 12:48:10,711 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:48:10,711 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-10-16 12:48:10,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:48:10,798 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;@7e98dcd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:48:10,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-10-16 12:48:10,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 208 states have (on average 1.4663461538461537) internal successors, (305), 237 states have internal predecessors, (305), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-10-16 12:48:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 12:48:10,820 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:10,821 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] [2022-10-16 12:48:10,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:10,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1694574358, now seen corresponding path program 1 times [2022-10-16 12:48:10,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:10,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989035231] [2022-10-16 12:48:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:10,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 12:48:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:48:11,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:11,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989035231] [2022-10-16 12:48:11,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989035231] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:11,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:11,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:48:11,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26101677] [2022-10-16 12:48:11,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:11,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:11,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:11,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:11,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:11,594 INFO L87 Difference]: Start difference. First operand has 268 states, 208 states have (on average 1.4663461538461537) internal successors, (305), 237 states have internal predecessors, (305), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:48:12,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:12,087 INFO L93 Difference]: Finished difference Result 554 states and 748 transitions. [2022-10-16 12:48:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:48:12,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-10-16 12:48:12,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:12,133 INFO L225 Difference]: With dead ends: 554 [2022-10-16 12:48:12,134 INFO L226 Difference]: Without dead ends: 260 [2022-10-16 12:48:12,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:12,162 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 106 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:12,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 773 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 12:48:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-10-16 12:48:12,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 257. [2022-10-16 12:48:12,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 208 states have (on average 1.4134615384615385) internal successors, (294), 227 states have internal predecessors, (294), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-10-16 12:48:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 336 transitions. [2022-10-16 12:48:12,316 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 336 transitions. Word has length 20 [2022-10-16 12:48:12,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:12,317 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 336 transitions. [2022-10-16 12:48:12,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:48:12,318 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 336 transitions. [2022-10-16 12:48:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 12:48:12,320 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:12,321 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] [2022-10-16 12:48:12,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:48:12,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:12,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:12,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1915533527, now seen corresponding path program 1 times [2022-10-16 12:48:12,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:12,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160582] [2022-10-16 12:48:12,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:12,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:48:12,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:12,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160582] [2022-10-16 12:48:12,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160582] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:12,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:12,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:48:12,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441461313] [2022-10-16 12:48:12,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:12,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:12,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:12,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:12,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:12,728 INFO L87 Difference]: Start difference. First operand 257 states and 336 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:48:13,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:13,161 INFO L93 Difference]: Finished difference Result 515 states and 677 transitions. [2022-10-16 12:48:13,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:48:13,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-10-16 12:48:13,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:13,168 INFO L225 Difference]: With dead ends: 515 [2022-10-16 12:48:13,169 INFO L226 Difference]: Without dead ends: 511 [2022-10-16 12:48:13,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:13,171 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 396 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:13,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 730 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 12:48:13,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-10-16 12:48:13,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 493. [2022-10-16 12:48:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 413 states have (on average 1.4067796610169492) internal successors, (581), 434 states have internal predecessors, (581), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-10-16 12:48:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 665 transitions. [2022-10-16 12:48:13,227 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 665 transitions. Word has length 32 [2022-10-16 12:48:13,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:13,227 INFO L495 AbstractCegarLoop]: Abstraction has 493 states and 665 transitions. [2022-10-16 12:48:13,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:48:13,228 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 665 transitions. [2022-10-16 12:48:13,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 12:48:13,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:13,230 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] [2022-10-16 12:48:13,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:48:13,231 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:13,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:13,231 INFO L85 PathProgramCache]: Analyzing trace with hash 536371035, now seen corresponding path program 1 times [2022-10-16 12:48:13,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:13,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264313707] [2022-10-16 12:48:13,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:13,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:13,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:48:13,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:13,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264313707] [2022-10-16 12:48:13,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264313707] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:13,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:13,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:48:13,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417973450] [2022-10-16 12:48:13,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:13,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:13,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:13,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:13,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:13,566 INFO L87 Difference]: Start difference. First operand 493 states and 665 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:48:13,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:13,909 INFO L93 Difference]: Finished difference Result 1060 states and 1423 transitions. [2022-10-16 12:48:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:48:13,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-10-16 12:48:13,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:13,918 INFO L225 Difference]: With dead ends: 1060 [2022-10-16 12:48:13,919 INFO L226 Difference]: Without dead ends: 570 [2022-10-16 12:48:13,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:13,937 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 342 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:13,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 642 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 12:48:13,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-10-16 12:48:14,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 560. [2022-10-16 12:48:14,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 471 states have (on average 1.3991507430997876) internal successors, (659), 492 states have internal predecessors, (659), 43 states have call successors, (43), 28 states have call predecessors, (43), 28 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-10-16 12:48:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 745 transitions. [2022-10-16 12:48:14,019 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 745 transitions. Word has length 35 [2022-10-16 12:48:14,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:14,020 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 745 transitions. [2022-10-16 12:48:14,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:48:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 745 transitions. [2022-10-16 12:48:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 12:48:14,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:14,032 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:14,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:48:14,033 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:14,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:14,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1904645204, now seen corresponding path program 1 times [2022-10-16 12:48:14,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:14,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636772459] [2022-10-16 12:48:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:14,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:14,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:14,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 12:48:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 12:48:14,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:14,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636772459] [2022-10-16 12:48:14,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636772459] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:14,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:14,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:48:14,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144148669] [2022-10-16 12:48:14,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:14,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:48:14,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:14,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:48:14,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:14,397 INFO L87 Difference]: Start difference. First operand 560 states and 745 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:48:14,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:14,998 INFO L93 Difference]: Finished difference Result 1338 states and 1767 transitions. [2022-10-16 12:48:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:48:14,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2022-10-16 12:48:15,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:15,009 INFO L225 Difference]: With dead ends: 1338 [2022-10-16 12:48:15,009 INFO L226 Difference]: Without dead ends: 1000 [2022-10-16 12:48:15,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:48:15,018 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 366 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:15,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 1557 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 12:48:15,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2022-10-16 12:48:15,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 564. [2022-10-16 12:48:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 475 states have (on average 1.3957894736842105) internal successors, (663), 496 states have internal predecessors, (663), 43 states have call successors, (43), 28 states have call predecessors, (43), 28 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-10-16 12:48:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 749 transitions. [2022-10-16 12:48:15,089 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 749 transitions. Word has length 50 [2022-10-16 12:48:15,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:15,089 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 749 transitions. [2022-10-16 12:48:15,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:48:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 749 transitions. [2022-10-16 12:48:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 12:48:15,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:15,091 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-10-16 12:48:15,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:48:15,092 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:15,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:15,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1848415247, now seen corresponding path program 1 times [2022-10-16 12:48:15,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:15,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121362552] [2022-10-16 12:48:15,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:15,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:15,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 12:48:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 12:48:15,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:15,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121362552] [2022-10-16 12:48:15,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121362552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:15,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:15,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:48:15,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829837749] [2022-10-16 12:48:15,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:15,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:15,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:15,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:15,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:15,469 INFO L87 Difference]: Start difference. First operand 564 states and 749 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:48:15,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:15,729 INFO L93 Difference]: Finished difference Result 1145 states and 1527 transitions. [2022-10-16 12:48:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:48:15,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 62 [2022-10-16 12:48:15,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:15,735 INFO L225 Difference]: With dead ends: 1145 [2022-10-16 12:48:15,735 INFO L226 Difference]: Without dead ends: 597 [2022-10-16 12:48:15,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:15,738 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 85 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:15,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 731 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:48:15,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2022-10-16 12:48:15,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 591. [2022-10-16 12:48:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 502 states have (on average 1.3864541832669324) internal successors, (696), 523 states have internal predecessors, (696), 43 states have call successors, (43), 28 states have call predecessors, (43), 28 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-10-16 12:48:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 782 transitions. [2022-10-16 12:48:15,787 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 782 transitions. Word has length 62 [2022-10-16 12:48:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:15,787 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 782 transitions. [2022-10-16 12:48:15,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:48:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 782 transitions. [2022-10-16 12:48:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 12:48:15,790 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:15,790 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-10-16 12:48:15,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:48:15,790 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:15,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:15,791 INFO L85 PathProgramCache]: Analyzing trace with hash 948657256, now seen corresponding path program 1 times [2022-10-16 12:48:15,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:15,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192143151] [2022-10-16 12:48:15,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:15,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:16,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 12:48:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 12:48:16,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:16,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192143151] [2022-10-16 12:48:16,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192143151] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:16,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:16,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:48:16,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21034465] [2022-10-16 12:48:16,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:16,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:16,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:16,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:16,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:16,122 INFO L87 Difference]: Start difference. First operand 591 states and 782 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:48:16,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:16,368 INFO L93 Difference]: Finished difference Result 597 states and 790 transitions. [2022-10-16 12:48:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:48:16,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 67 [2022-10-16 12:48:16,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:16,374 INFO L225 Difference]: With dead ends: 597 [2022-10-16 12:48:16,374 INFO L226 Difference]: Without dead ends: 596 [2022-10-16 12:48:16,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:16,376 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 75 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:16,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 729 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:48:16,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2022-10-16 12:48:16,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 590. [2022-10-16 12:48:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 502 states have (on average 1.3804780876494025) internal successors, (693), 522 states have internal predecessors, (693), 43 states have call successors, (43), 28 states have call predecessors, (43), 28 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-10-16 12:48:16,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 779 transitions. [2022-10-16 12:48:16,434 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 779 transitions. Word has length 67 [2022-10-16 12:48:16,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:16,434 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 779 transitions. [2022-10-16 12:48:16,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:48:16,435 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 779 transitions. [2022-10-16 12:48:16,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 12:48:16,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:16,437 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 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] [2022-10-16 12:48:16,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:48:16,437 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:16,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:16,438 INFO L85 PathProgramCache]: Analyzing trace with hash -291629634, now seen corresponding path program 1 times [2022-10-16 12:48:16,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:16,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442508267] [2022-10-16 12:48:16,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:16,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:16,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:16,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:16,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 12:48:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:16,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 12:48:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:48:16,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:16,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442508267] [2022-10-16 12:48:16,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442508267] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:16,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:16,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:48:16,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925679424] [2022-10-16 12:48:16,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:16,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:16,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:16,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:16,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:16,795 INFO L87 Difference]: Start difference. First operand 590 states and 779 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:48:17,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:17,091 INFO L93 Difference]: Finished difference Result 940 states and 1225 transitions. [2022-10-16 12:48:17,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:48:17,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2022-10-16 12:48:17,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:17,096 INFO L225 Difference]: With dead ends: 940 [2022-10-16 12:48:17,096 INFO L226 Difference]: Without dead ends: 585 [2022-10-16 12:48:17,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:17,098 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 208 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:17,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 783 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:48:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2022-10-16 12:48:17,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 577. [2022-10-16 12:48:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 489 states have (on average 1.3701431492842535) internal successors, (670), 509 states have internal predecessors, (670), 43 states have call successors, (43), 28 states have call predecessors, (43), 28 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-10-16 12:48:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 756 transitions. [2022-10-16 12:48:17,148 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 756 transitions. Word has length 68 [2022-10-16 12:48:17,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:17,148 INFO L495 AbstractCegarLoop]: Abstraction has 577 states and 756 transitions. [2022-10-16 12:48:17,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:48:17,149 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 756 transitions. [2022-10-16 12:48:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 12:48:17,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:17,150 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:48:17,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:48:17,151 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:17,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:17,151 INFO L85 PathProgramCache]: Analyzing trace with hash -656396059, now seen corresponding path program 1 times [2022-10-16 12:48:17,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:17,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37814300] [2022-10-16 12:48:17,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:17,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 12:48:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 12:48:17,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:17,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37814300] [2022-10-16 12:48:17,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37814300] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:48:17,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44840080] [2022-10-16 12:48:17,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:17,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:48:17,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:48:17,511 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:48:17,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 12:48:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:17,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 12:48:17,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:48:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 12:48:17,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:48:17,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44840080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:17,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:48:17,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 9 [2022-10-16 12:48:17,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75368927] [2022-10-16 12:48:17,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:17,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:48:17,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:17,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:48:17,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:48:17,984 INFO L87 Difference]: Start difference. First operand 577 states and 756 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 12:48:20,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:22,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:22,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:22,334 INFO L93 Difference]: Finished difference Result 1665 states and 2194 transitions. [2022-10-16 12:48:22,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:48:22,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 68 [2022-10-16 12:48:22,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:22,342 INFO L225 Difference]: With dead ends: 1665 [2022-10-16 12:48:22,343 INFO L226 Difference]: Without dead ends: 1104 [2022-10-16 12:48:22,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:48:22,346 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 446 mSDsluCounter, 2049 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:22,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 2638 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 12:48:22,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-16 12:48:22,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 585. [2022-10-16 12:48:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 495 states have (on average 1.3656565656565656) internal successors, (676), 515 states have internal predecessors, (676), 45 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-10-16 12:48:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 766 transitions. [2022-10-16 12:48:22,416 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 766 transitions. Word has length 68 [2022-10-16 12:48:22,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:22,417 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 766 transitions. [2022-10-16 12:48:22,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 12:48:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 766 transitions. [2022-10-16 12:48:22,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 12:48:22,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:22,419 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:48:22,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 12:48:22,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:48:22,635 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:22,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1905328007, now seen corresponding path program 1 times [2022-10-16 12:48:22,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:22,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365695108] [2022-10-16 12:48:22,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:22,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 12:48:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 12:48:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 12:48:23,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:23,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365695108] [2022-10-16 12:48:23,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365695108] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:23,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:23,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:48:23,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045432756] [2022-10-16 12:48:23,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:23,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:48:23,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:23,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:48:23,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:23,112 INFO L87 Difference]: Start difference. First operand 585 states and 766 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:48:25,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:27,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:27,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:27,623 INFO L93 Difference]: Finished difference Result 1316 states and 1746 transitions. [2022-10-16 12:48:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:48:27,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 76 [2022-10-16 12:48:27,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:27,629 INFO L225 Difference]: With dead ends: 1316 [2022-10-16 12:48:27,629 INFO L226 Difference]: Without dead ends: 747 [2022-10-16 12:48:27,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:48:27,635 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 477 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 51 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:27,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 832 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 213 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2022-10-16 12:48:27,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-10-16 12:48:27,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 585. [2022-10-16 12:48:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 495 states have (on average 1.3616161616161617) internal successors, (674), 513 states have internal predecessors, (674), 45 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-10-16 12:48:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 764 transitions. [2022-10-16 12:48:27,710 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 764 transitions. Word has length 76 [2022-10-16 12:48:27,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:27,711 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 764 transitions. [2022-10-16 12:48:27,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:48:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 764 transitions. [2022-10-16 12:48:27,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 12:48:27,719 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:27,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:27,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 12:48:27,721 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:27,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:27,721 INFO L85 PathProgramCache]: Analyzing trace with hash 74477910, now seen corresponding path program 1 times [2022-10-16 12:48:27,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:27,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110544268] [2022-10-16 12:48:27,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:27,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 12:48:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:48:28,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:28,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110544268] [2022-10-16 12:48:28,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110544268] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:28,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:28,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:48:28,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353760835] [2022-10-16 12:48:28,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:28,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:28,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:28,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:28,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:28,141 INFO L87 Difference]: Start difference. First operand 585 states and 764 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 12:48:28,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:28,361 INFO L93 Difference]: Finished difference Result 1160 states and 1515 transitions. [2022-10-16 12:48:28,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:48:28,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 82 [2022-10-16 12:48:28,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:28,365 INFO L225 Difference]: With dead ends: 1160 [2022-10-16 12:48:28,366 INFO L226 Difference]: Without dead ends: 591 [2022-10-16 12:48:28,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:28,368 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 316 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:28,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 493 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:48:28,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2022-10-16 12:48:28,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 585. [2022-10-16 12:48:28,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 495 states have (on average 1.3333333333333333) internal successors, (660), 513 states have internal predecessors, (660), 45 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-10-16 12:48:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 750 transitions. [2022-10-16 12:48:28,428 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 750 transitions. Word has length 82 [2022-10-16 12:48:28,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:28,429 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 750 transitions. [2022-10-16 12:48:28,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 12:48:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 750 transitions. [2022-10-16 12:48:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 12:48:28,431 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:28,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:28,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 12:48:28,432 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:28,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:28,432 INFO L85 PathProgramCache]: Analyzing trace with hash 735856474, now seen corresponding path program 1 times [2022-10-16 12:48:28,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:28,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580505084] [2022-10-16 12:48:28,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 12:48:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:48:28,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:28,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580505084] [2022-10-16 12:48:28,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580505084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:28,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:28,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:48:28,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323008733] [2022-10-16 12:48:28,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:28,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:28,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:28,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:28,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:28,773 INFO L87 Difference]: Start difference. First operand 585 states and 750 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:48:28,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:28,973 INFO L93 Difference]: Finished difference Result 892 states and 1136 transitions. [2022-10-16 12:48:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:48:28,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 82 [2022-10-16 12:48:28,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:28,976 INFO L225 Difference]: With dead ends: 892 [2022-10-16 12:48:28,976 INFO L226 Difference]: Without dead ends: 279 [2022-10-16 12:48:28,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:28,979 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 61 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:28,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 389 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:48:28,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-10-16 12:48:29,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 273. [2022-10-16 12:48:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 229 states have (on average 1.3275109170305677) internal successors, (304), 233 states have internal predecessors, (304), 23 states have call successors, (23), 16 states have call predecessors, (23), 16 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-10-16 12:48:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 350 transitions. [2022-10-16 12:48:29,007 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 350 transitions. Word has length 82 [2022-10-16 12:48:29,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:29,008 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 350 transitions. [2022-10-16 12:48:29,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:48:29,008 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 350 transitions. [2022-10-16 12:48:29,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 12:48:29,010 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:29,010 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:29,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 12:48:29,011 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:29,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:29,011 INFO L85 PathProgramCache]: Analyzing trace with hash -851947015, now seen corresponding path program 1 times [2022-10-16 12:48:29,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:29,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856823785] [2022-10-16 12:48:29,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:29,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 12:48:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 12:48:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 12:48:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 12:48:29,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:29,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856823785] [2022-10-16 12:48:29,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856823785] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:48:29,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159214391] [2022-10-16 12:48:29,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:29,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:48:29,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:48:29,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:48:29,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 12:48:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:29,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:48:29,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:48:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 12:48:29,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:48:29,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159214391] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:29,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:48:29,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 12:48:29,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048499576] [2022-10-16 12:48:29,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:29,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:29,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:29,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:29,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:48:29,825 INFO L87 Difference]: Start difference. First operand 273 states and 350 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 12:48:29,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:29,874 INFO L93 Difference]: Finished difference Result 273 states and 350 transitions. [2022-10-16 12:48:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:48:29,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 88 [2022-10-16 12:48:29,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:29,877 INFO L225 Difference]: With dead ends: 273 [2022-10-16 12:48:29,878 INFO L226 Difference]: Without dead ends: 272 [2022-10-16 12:48:29,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:48:29,879 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 34 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:29,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 448 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:48:29,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-10-16 12:48:29,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 264. [2022-10-16 12:48:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 221 states have (on average 1.330316742081448) internal successors, (294), 224 states have internal predecessors, (294), 23 states have call successors, (23), 16 states have call predecessors, (23), 16 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-10-16 12:48:29,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 340 transitions. [2022-10-16 12:48:29,905 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 340 transitions. Word has length 88 [2022-10-16 12:48:29,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:29,906 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 340 transitions. [2022-10-16 12:48:29,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 12:48:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 340 transitions. [2022-10-16 12:48:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 12:48:29,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:29,908 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:29,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 12:48:30,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-16 12:48:30,123 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:30,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:30,124 INFO L85 PathProgramCache]: Analyzing trace with hash -797407862, now seen corresponding path program 1 times [2022-10-16 12:48:30,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:30,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26927756] [2022-10-16 12:48:30,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 12:48:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 12:48:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 12:48:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:48:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 12:48:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 12:48:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 12:48:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-16 12:48:30,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:30,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26927756] [2022-10-16 12:48:30,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26927756] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:48:30,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126815265] [2022-10-16 12:48:30,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:30,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:48:30,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:48:30,551 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:48:30,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 12:48:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:30,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:48:30,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:48:31,163 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 12:48:31,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:48:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 12:48:31,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126815265] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:48:31,325 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:48:31,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2022-10-16 12:48:31,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864588482] [2022-10-16 12:48:31,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:48:31,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 12:48:31,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:31,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 12:48:31,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:48:31,327 INFO L87 Difference]: Start difference. First operand 264 states and 340 transitions. Second operand has 9 states, 9 states have (on average 24.11111111111111) internal successors, (217), 8 states have internal predecessors, (217), 6 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2022-10-16 12:48:32,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:32,396 INFO L93 Difference]: Finished difference Result 920 states and 1177 transitions. [2022-10-16 12:48:32,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 12:48:32,397 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 24.11111111111111) internal successors, (217), 8 states have internal predecessors, (217), 6 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 112 [2022-10-16 12:48:32,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:32,401 INFO L225 Difference]: With dead ends: 920 [2022-10-16 12:48:32,402 INFO L226 Difference]: Without dead ends: 745 [2022-10-16 12:48:32,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 12:48:32,404 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1239 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:32,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 678 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 12:48:32,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2022-10-16 12:48:32,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 524. [2022-10-16 12:48:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 443 states have (on average 1.309255079006772) internal successors, (580), 445 states have internal predecessors, (580), 46 states have call successors, (46), 32 states have call predecessors, (46), 32 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2022-10-16 12:48:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 672 transitions. [2022-10-16 12:48:32,465 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 672 transitions. Word has length 112 [2022-10-16 12:48:32,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:32,466 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 672 transitions. [2022-10-16 12:48:32,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.11111111111111) internal successors, (217), 8 states have internal predecessors, (217), 6 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2022-10-16 12:48:32,467 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 672 transitions. [2022-10-16 12:48:32,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 12:48:32,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:32,469 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:32,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 12:48:32,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:48:32,683 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:32,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:32,684 INFO L85 PathProgramCache]: Analyzing trace with hash -635100397, now seen corresponding path program 1 times [2022-10-16 12:48:32,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:32,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611122020] [2022-10-16 12:48:32,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:32,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 12:48:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 12:48:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 12:48:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:48:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 12:48:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 12:48:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 12:48:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-16 12:48:33,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:33,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611122020] [2022-10-16 12:48:33,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611122020] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:48:33,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525797988] [2022-10-16 12:48:33,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:33,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:48:33,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:48:33,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:48:33,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 12:48:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:33,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:48:33,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:48:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 12:48:33,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:48:33,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525797988] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:33,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:48:33,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 12:48:33,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965852882] [2022-10-16 12:48:33,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:33,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:33,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:33,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:33,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:48:33,949 INFO L87 Difference]: Start difference. First operand 524 states and 672 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 12:48:34,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:34,088 INFO L93 Difference]: Finished difference Result 597 states and 769 transitions. [2022-10-16 12:48:34,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:48:34,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 118 [2022-10-16 12:48:34,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:34,094 INFO L225 Difference]: With dead ends: 597 [2022-10-16 12:48:34,094 INFO L226 Difference]: Without dead ends: 595 [2022-10-16 12:48:34,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:48:34,095 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 211 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:34,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 330 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:48:34,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-10-16 12:48:34,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 449. [2022-10-16 12:48:34,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 380 states have (on average 1.2973684210526315) internal successors, (493), 380 states have internal predecessors, (493), 40 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-10-16 12:48:34,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 573 transitions. [2022-10-16 12:48:34,151 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 573 transitions. Word has length 118 [2022-10-16 12:48:34,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:34,152 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 573 transitions. [2022-10-16 12:48:34,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 12:48:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 573 transitions. [2022-10-16 12:48:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-16 12:48:34,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:34,156 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2022-10-16 12:48:34,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 12:48:34,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:48:34,371 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:34,372 INFO L85 PathProgramCache]: Analyzing trace with hash -2051079594, now seen corresponding path program 1 times [2022-10-16 12:48:34,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:34,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661719521] [2022-10-16 12:48:34,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:34,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 12:48:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 12:48:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:48:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 12:48:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:48:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 12:48:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 12:48:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 12:48:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-16 12:48:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 12:48:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-10-16 12:48:35,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:35,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661719521] [2022-10-16 12:48:35,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661719521] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:35,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:35,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:48:35,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293883411] [2022-10-16 12:48:35,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:35,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:35,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:35,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:35,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:35,043 INFO L87 Difference]: Start difference. First operand 449 states and 573 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 12:48:35,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:35,362 INFO L93 Difference]: Finished difference Result 1323 states and 1676 transitions. [2022-10-16 12:48:35,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:48:35,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 179 [2022-10-16 12:48:35,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:35,367 INFO L225 Difference]: With dead ends: 1323 [2022-10-16 12:48:35,367 INFO L226 Difference]: Without dead ends: 710 [2022-10-16 12:48:35,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:35,369 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 226 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:35,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 378 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:48:35,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-10-16 12:48:35,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 693. [2022-10-16 12:48:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 585 states have (on average 1.2854700854700856) internal successors, (752), 585 states have internal predecessors, (752), 63 states have call successors, (63), 44 states have call predecessors, (63), 44 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2022-10-16 12:48:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 878 transitions. [2022-10-16 12:48:35,450 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 878 transitions. Word has length 179 [2022-10-16 12:48:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:35,450 INFO L495 AbstractCegarLoop]: Abstraction has 693 states and 878 transitions. [2022-10-16 12:48:35,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 12:48:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 878 transitions. [2022-10-16 12:48:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-16 12:48:35,454 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:35,454 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 12:48:35,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 12:48:35,455 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-10-16 12:48:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:35,456 INFO L85 PathProgramCache]: Analyzing trace with hash 610806038, now seen corresponding path program 1 times [2022-10-16 12:48:35,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:35,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097483422] [2022-10-16 12:48:35,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:35,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:48:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 12:48:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 12:48:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:48:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 12:48:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:48:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 12:48:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 12:48:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 12:48:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-16 12:48:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 12:48:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-10-16 12:48:35,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:35,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097483422] [2022-10-16 12:48:35,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097483422] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:35,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:35,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:48:35,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581260023] [2022-10-16 12:48:35,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:35,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:35,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:35,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:35,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:35,935 INFO L87 Difference]: Start difference. First operand 693 states and 878 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 12:48:35,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:35,963 INFO L93 Difference]: Finished difference Result 698 states and 883 transitions. [2022-10-16 12:48:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:48:35,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 179 [2022-10-16 12:48:35,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:35,964 INFO L225 Difference]: With dead ends: 698 [2022-10-16 12:48:35,964 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 12:48:35,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:35,967 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:35,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:48:35,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 12:48:35,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 12:48:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:48:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 12:48:35,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2022-10-16 12:48:35,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:35,969 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 12:48:35,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 12:48:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 12:48:35,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 12:48:35,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2022-10-16 12:48:35,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2022-10-16 12:48:35,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2022-10-16 12:48:35,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2022-10-16 12:48:35,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2022-10-16 12:48:35,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2022-10-16 12:48:35,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2022-10-16 12:48:35,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2022-10-16 12:48:35,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2022-10-16 12:48:35,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2022-10-16 12:48:35,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2022-10-16 12:48:35,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2022-10-16 12:48:35,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2022-10-16 12:48:35,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2022-10-16 12:48:35,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2022-10-16 12:48:35,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2022-10-16 12:48:35,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2022-10-16 12:48:35,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2022-10-16 12:48:35,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2022-10-16 12:48:35,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2022-10-16 12:48:35,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2022-10-16 12:48:35,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2022-10-16 12:48:35,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2022-10-16 12:48:35,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2022-10-16 12:48:35,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 12:48:35,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 12:48:38,760 INFO L899 garLoopResultBuilder]: For program point L6655(line 6655) no Hoare annotation was computed. [2022-10-16 12:48:38,761 INFO L899 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2022-10-16 12:48:38,761 INFO L902 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2022-10-16 12:48:38,761 INFO L899 garLoopResultBuilder]: For program point L6655-2(lines 6655 6659) no Hoare annotation was computed. [2022-10-16 12:48:38,761 INFO L899 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2022-10-16 12:48:38,761 INFO L902 garLoopResultBuilder]: At program point get_dma_opsENTRY(lines 6650 6661) the Hoare annotation is: true [2022-10-16 12:48:38,761 INFO L899 garLoopResultBuilder]: For program point get_dma_opsFINAL(lines 6650 6661) no Hoare annotation was computed. [2022-10-16 12:48:38,762 INFO L902 garLoopResultBuilder]: At program point flexcop_device_kfreeENTRY(lines 8049 8051) the Hoare annotation is: true [2022-10-16 12:48:38,762 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeFINAL(lines 8049 8051) no Hoare annotation was computed. [2022-10-16 12:48:38,762 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2022-10-16 12:48:38,762 INFO L902 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6608 6614) the Hoare annotation is: true [2022-10-16 12:48:38,762 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataFINAL(lines 6608 6614) no Hoare annotation was computed. [2022-10-16 12:48:38,762 INFO L902 garLoopResultBuilder]: At program point L8040(lines 8039 8041) the Hoare annotation is: true [2022-10-16 12:48:38,763 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2022-10-16 12:48:38,763 INFO L902 garLoopResultBuilder]: At program point flexcop_device_exitENTRY(lines 8042 8044) the Hoare annotation is: true [2022-10-16 12:48:38,763 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitFINAL(lines 8042 8044) no Hoare annotation was computed. [2022-10-16 12:48:38,763 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2022-10-16 12:48:38,763 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbFINAL(lines 8107 8109) no Hoare annotation was computed. [2022-10-16 12:48:38,763 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2022-10-16 12:48:38,763 INFO L902 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8107 8109) the Hoare annotation is: true [2022-10-16 12:48:38,764 INFO L899 garLoopResultBuilder]: For program point L7232(line 7232) no Hoare annotation was computed. [2022-10-16 12:48:38,764 INFO L899 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2022-10-16 12:48:38,764 INFO L895 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,765 INFO L895 garLoopResultBuilder]: At program point L6749-2(lines 6727 6757) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,765 INFO L899 garLoopResultBuilder]: For program point L6749(lines 6749 6754) no Hoare annotation was computed. [2022-10-16 12:48:38,765 INFO L899 garLoopResultBuilder]: For program point L7224-2(lines 7224 7227) no Hoare annotation was computed. [2022-10-16 12:48:38,765 INFO L899 garLoopResultBuilder]: For program point L7224(lines 7224 7227) no Hoare annotation was computed. [2022-10-16 12:48:38,765 INFO L899 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2022-10-16 12:48:38,765 INFO L895 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,766 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7232) no Hoare annotation was computed. [2022-10-16 12:48:38,766 INFO L895 garLoopResultBuilder]: At program point L6568(lines 6541 6570) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,766 INFO L895 garLoopResultBuilder]: At program point L7237(lines 7219 7246) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,767 INFO L895 garLoopResultBuilder]: At program point L8096(lines 8095 8097) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (= |flexcop_usb_transfer_exit_~i~3#1| 0) (and (<= |flexcop_usb_transfer_exit_~i~3#1| 3) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|))) [2022-10-16 12:48:38,767 INFO L902 garLoopResultBuilder]: At program point L6560(lines 6557 6562) the Hoare annotation is: true [2022-10-16 12:48:38,767 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 12:48:38,767 INFO L895 garLoopResultBuilder]: At program point L7233(lines 7219 7246) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (= |flexcop_usb_transfer_exit_~i~3#1| 0) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,768 INFO L895 garLoopResultBuilder]: At program point L8026(lines 8025 8027) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,768 INFO L899 garLoopResultBuilder]: For program point L6742(lines 6742 6746) no Hoare annotation was computed. [2022-10-16 12:48:38,768 INFO L899 garLoopResultBuilder]: For program point L6775(lines 6775 6779) no Hoare annotation was computed. [2022-10-16 12:48:38,768 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2022-10-16 12:48:38,768 INFO L895 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,768 INFO L899 garLoopResultBuilder]: For program point L6775-2(lines 6775 6779) no Hoare annotation was computed. [2022-10-16 12:48:38,768 INFO L899 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2022-10-16 12:48:38,769 INFO L895 garLoopResultBuilder]: At program point L8093(lines 8092 8094) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (= |flexcop_usb_transfer_exit_~i~3#1| 0) (and (<= |flexcop_usb_transfer_exit_~i~3#1| 3) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|))) [2022-10-16 12:48:38,769 INFO L899 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2022-10-16 12:48:38,769 INFO L895 garLoopResultBuilder]: At program point L6574(lines 6571 6576) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,769 INFO L902 garLoopResultBuilder]: At program point flexcop_usb_transfer_exitENTRY(lines 7217 7247) the Hoare annotation is: true [2022-10-16 12:48:38,770 INFO L895 garLoopResultBuilder]: At program point L7235(lines 7219 7246) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (= |flexcop_usb_transfer_exit_~i~3#1| 0) (and (<= |flexcop_usb_transfer_exit_~i~3#1| 3) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|))) [2022-10-16 12:48:38,770 INFO L895 garLoopResultBuilder]: At program point L6781(lines 6771 6783) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,770 INFO L899 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2022-10-16 12:48:38,770 INFO L899 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2022-10-16 12:48:38,770 INFO L899 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2022-10-16 12:48:38,770 INFO L895 garLoopResultBuilder]: At program point L8111(lines 8110 8112) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,771 INFO L895 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 2)) (not (= 0 ~debug~0)) (not (<= 1 ~ref_cnt~0)) (not (= ~ldv_state_variable_0~0 3)) (not (<= ~ref_cnt~0 1)) (<= 1 |flexcop_usb_transfer_exit_~i~3#1|)) [2022-10-16 12:48:38,771 INFO L899 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2022-10-16 12:48:38,771 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7232) no Hoare annotation was computed. [2022-10-16 12:48:38,771 INFO L899 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2022-10-16 12:48:38,771 INFO L902 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6634 6639) the Hoare annotation is: true [2022-10-16 12:48:38,771 INFO L899 garLoopResultBuilder]: For program point __create_pipeFINAL(lines 6634 6639) no Hoare annotation was computed. [2022-10-16 12:48:38,772 INFO L899 garLoopResultBuilder]: For program point L6637-1(line 6637) no Hoare annotation was computed. [2022-10-16 12:48:38,772 INFO L899 garLoopResultBuilder]: For program point L6637(line 6637) no Hoare annotation was computed. [2022-10-16 12:48:38,772 INFO L899 garLoopResultBuilder]: For program point __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 6637) no Hoare annotation was computed. [2022-10-16 12:48:38,772 INFO L899 garLoopResultBuilder]: For program point __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 6637) no Hoare annotation was computed. [2022-10-16 12:48:38,772 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2022-10-16 12:48:38,772 INFO L899 garLoopResultBuilder]: For program point L8032(line 8032) no Hoare annotation was computed. [2022-10-16 12:48:38,773 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 8030 8034) the Hoare annotation is: (let ((.cse0 (not (= 0 ~debug~0))) (.cse1 (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) (.cse2 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 2)) .cse0 (not (<= 1 ~ref_cnt~0)) .cse1 .cse2 (not (<= ~ref_cnt~0 1))) (or .cse0 (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse1 .cse2 (not (<= ~ref_cnt~0 0))))) [2022-10-16 12:48:38,773 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 8030 8034) no Hoare annotation was computed. [2022-10-16 12:48:38,773 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2022-10-16 12:48:38,773 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 7668 7673) no Hoare annotation was computed. [2022-10-16 12:48:38,773 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 7668 7673) the Hoare annotation is: true [2022-10-16 12:48:38,773 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2022-10-16 12:48:38,774 INFO L902 garLoopResultBuilder]: At program point flexcop_usb_exitENTRY(lines 7382 7388) the Hoare annotation is: true [2022-10-16 12:48:38,774 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2022-10-16 12:48:38,774 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitFINAL(lines 7382 7388) no Hoare annotation was computed. [2022-10-16 12:48:38,774 INFO L899 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2022-10-16 12:48:38,774 INFO L902 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2022-10-16 12:48:38,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7285) no Hoare annotation was computed. [2022-10-16 12:48:38,774 INFO L895 garLoopResultBuilder]: At program point L6675(lines 6662 6677) the Hoare annotation is: false [2022-10-16 12:48:38,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7341) no Hoare annotation was computed. [2022-10-16 12:48:38,775 INFO L899 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2022-10-16 12:48:38,775 INFO L899 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2022-10-16 12:48:38,775 INFO L895 garLoopResultBuilder]: At program point L8063(lines 8062 8064) the Hoare annotation is: false [2022-10-16 12:48:38,775 INFO L899 garLoopResultBuilder]: For program point L6643(line 6643) no Hoare annotation was computed. [2022-10-16 12:48:38,775 INFO L895 garLoopResultBuilder]: At program point L6643-3(lines 6640 6645) the Hoare annotation is: false [2022-10-16 12:48:38,775 INFO L899 garLoopResultBuilder]: For program point L6643-2(line 6643) no Hoare annotation was computed. [2022-10-16 12:48:38,776 INFO L899 garLoopResultBuilder]: For program point L7337-2(lines 7337 7340) no Hoare annotation was computed. [2022-10-16 12:48:38,776 INFO L899 garLoopResultBuilder]: For program point L7337(lines 7337 7340) no Hoare annotation was computed. [2022-10-16 12:48:38,776 INFO L899 garLoopResultBuilder]: For program point L7536(line 7536) no Hoare annotation was computed. [2022-10-16 12:48:38,776 INFO L895 garLoopResultBuilder]: At program point L7437(lines 7395 7443) the Hoare annotation is: (and (= 0 ~debug~0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0) (= ~ldv_state_variable_0~0 3)) [2022-10-16 12:48:38,776 INFO L899 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2022-10-16 12:48:38,776 INFO L895 garLoopResultBuilder]: At program point L7305(line 7305) the Hoare annotation is: false [2022-10-16 12:48:38,777 INFO L899 garLoopResultBuilder]: For program point L6711(lines 6711 6714) no Hoare annotation was computed. [2022-10-16 12:48:38,777 INFO L899 garLoopResultBuilder]: For program point L7570(line 7570) no Hoare annotation was computed. [2022-10-16 12:48:38,777 INFO L899 garLoopResultBuilder]: For program point L7372-2(line 7372) no Hoare annotation was computed. [2022-10-16 12:48:38,777 INFO L899 garLoopResultBuilder]: For program point L7372(line 7372) no Hoare annotation was computed. [2022-10-16 12:48:38,777 INFO L895 garLoopResultBuilder]: At program point L8066(lines 8065 8067) the Hoare annotation is: false [2022-10-16 12:48:38,777 INFO L895 garLoopResultBuilder]: At program point L7439(lines 7395 7443) the Hoare annotation is: (let ((.cse0 (= 0 ~debug~0)) (.cse1 (= ~ldv_state_variable_1~0 1)) (.cse2 (= ~ldv_state_variable_0~0 3))) (or (and .cse0 (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) .cse1 (= ~ref_cnt~0 0) .cse2) (and .cse0 (<= ~ref_cnt~0 0) (<= (+ 19 |ULTIMATE.start_flexcop_usb_probe_~ret~2#1|) 0) (<= 0 ~ref_cnt~0) .cse1 .cse2 (<= (+ 19 |ULTIMATE.start_flexcop_usb_init_#res#1|) 0)))) [2022-10-16 12:48:38,777 INFO L899 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2022-10-16 12:48:38,778 INFO L895 garLoopResultBuilder]: At program point L8100(lines 8099 8101) the Hoare annotation is: (and (= 0 ~debug~0) (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0)) [2022-10-16 12:48:38,778 INFO L895 garLoopResultBuilder]: At program point L8001(lines 7995 8003) the Hoare annotation is: (and (= 0 ~debug~0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-10-16 12:48:38,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7323) no Hoare annotation was computed. [2022-10-16 12:48:38,778 INFO L899 garLoopResultBuilder]: For program point L7341(line 7341) no Hoare annotation was computed. [2022-10-16 12:48:38,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7323) no Hoare annotation was computed. [2022-10-16 12:48:38,778 INFO L895 garLoopResultBuilder]: At program point L7342(lines 7259 7356) the Hoare annotation is: false [2022-10-16 12:48:38,779 INFO L899 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2022-10-16 12:48:38,779 INFO L895 garLoopResultBuilder]: At program point L8036-2(lines 8035 8037) the Hoare annotation is: (and (= 0 ~debug~0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-10-16 12:48:38,779 INFO L899 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2022-10-16 12:48:38,779 INFO L895 garLoopResultBuilder]: At program point L8036(line 8036) the Hoare annotation is: (and (= 0 ~debug~0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-10-16 12:48:38,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7285) no Hoare annotation was computed. [2022-10-16 12:48:38,780 INFO L899 garLoopResultBuilder]: For program point L6715(lines 6715 6720) no Hoare annotation was computed. [2022-10-16 12:48:38,780 INFO L895 garLoopResultBuilder]: At program point L7442(lines 7389 7444) the Hoare annotation is: (let ((.cse0 (= 0 ~debug~0)) (.cse1 (= ~ldv_state_variable_1~0 1)) (.cse2 (= ~ldv_state_variable_0~0 3))) (or (and .cse0 .cse1 (= ~ref_cnt~0 0) (<= (+ |ULTIMATE.start_flexcop_usb_probe_#res#1| 12) 0) .cse2) (and .cse0 (<= ~ref_cnt~0 0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (<= 0 ~ref_cnt~0) .cse1 .cse2))) [2022-10-16 12:48:38,780 INFO L899 garLoopResultBuilder]: For program point L7310(line 7310) no Hoare annotation was computed. [2022-10-16 12:48:38,780 INFO L899 garLoopResultBuilder]: For program point L7310-1(line 7310) no Hoare annotation was computed. [2022-10-16 12:48:38,780 INFO L895 garLoopResultBuilder]: At program point L7344(lines 7259 7356) the Hoare annotation is: false [2022-10-16 12:48:38,781 INFO L895 garLoopResultBuilder]: At program point L7377(lines 7360 7380) the Hoare annotation is: (and (= 0 ~debug~0) (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) (= ~ldv_state_variable_0~0 3)) [2022-10-16 12:48:38,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7312) no Hoare annotation was computed. [2022-10-16 12:48:38,781 INFO L895 garLoopResultBuilder]: At program point L8104(lines 8103 8105) the Hoare annotation is: (and (= 0 ~debug~0) (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) (= ~ldv_state_variable_0~0 3)) [2022-10-16 12:48:38,781 INFO L899 garLoopResultBuilder]: For program point L6684-1(lines 6681 6693) no Hoare annotation was computed. [2022-10-16 12:48:38,781 INFO L899 garLoopResultBuilder]: For program point L6684(lines 6684 6687) no Hoare annotation was computed. [2022-10-16 12:48:38,781 INFO L899 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2022-10-16 12:48:38,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7522) no Hoare annotation was computed. [2022-10-16 12:48:38,782 INFO L895 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: (and (= 0 ~debug~0) (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) (= ~ldv_state_variable_0~0 3)) [2022-10-16 12:48:38,782 INFO L899 garLoopResultBuilder]: For program point L7312-2(line 7312) no Hoare annotation was computed. [2022-10-16 12:48:38,782 INFO L899 garLoopResultBuilder]: For program point L7312-1(line 7312) no Hoare annotation was computed. [2022-10-16 12:48:38,782 INFO L899 garLoopResultBuilder]: For program point L7312(line 7312) no Hoare annotation was computed. [2022-10-16 12:48:38,782 INFO L899 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2022-10-16 12:48:38,782 INFO L899 garLoopResultBuilder]: For program point L7312-3(line 7312) no Hoare annotation was computed. [2022-10-16 12:48:38,783 INFO L895 garLoopResultBuilder]: At program point L6619(lines 6615 6621) the Hoare annotation is: (and (= 0 ~debug~0) (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) (= ~ldv_state_variable_0~0 3)) [2022-10-16 12:48:38,783 INFO L899 garLoopResultBuilder]: For program point L6685-2(line 6685) no Hoare annotation was computed. [2022-10-16 12:48:38,783 INFO L899 garLoopResultBuilder]: For program point L6685(line 6685) no Hoare annotation was computed. [2022-10-16 12:48:38,783 INFO L899 garLoopResultBuilder]: For program point L6685-6(line 6685) no Hoare annotation was computed. [2022-10-16 12:48:38,783 INFO L899 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2022-10-16 12:48:38,783 INFO L899 garLoopResultBuilder]: For program point L6685-4(line 6685) no Hoare annotation was computed. [2022-10-16 12:48:38,783 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7522) no Hoare annotation was computed. [2022-10-16 12:48:38,784 INFO L899 garLoopResultBuilder]: For program point L7577(line 7577) no Hoare annotation was computed. [2022-10-16 12:48:38,784 INFO L895 garLoopResultBuilder]: At program point L7346(lines 7259 7356) the Hoare annotation is: false [2022-10-16 12:48:38,784 INFO L895 garLoopResultBuilder]: At program point L7379(lines 7358 7381) the Hoare annotation is: (let ((.cse0 (= 0 ~debug~0)) (.cse1 (= ~ldv_state_variable_1~0 1)) (.cse2 (= ~ldv_state_variable_0~0 3))) (or (and .cse0 (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) .cse1 .cse2 (<= (+ 19 |ULTIMATE.start_flexcop_usb_init_#res#1|) 0)) (and .cse0 (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) .cse1 (= ~ref_cnt~0 0) .cse2))) [2022-10-16 12:48:38,784 INFO L899 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2022-10-16 12:48:38,784 INFO L899 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2022-10-16 12:48:38,785 INFO L899 garLoopResultBuilder]: For program point L7512(lines 7512 7579) no Hoare annotation was computed. [2022-10-16 12:48:38,785 INFO L899 garLoopResultBuilder]: For program point L7546(lines 7546 7572) no Hoare annotation was computed. [2022-10-16 12:48:38,785 INFO L899 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2022-10-16 12:48:38,785 INFO L899 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2022-10-16 12:48:38,785 INFO L902 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: true [2022-10-16 12:48:38,785 INFO L899 garLoopResultBuilder]: For program point L6688(lines 6688 6691) no Hoare annotation was computed. [2022-10-16 12:48:38,785 INFO L899 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2022-10-16 12:48:38,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7310) no Hoare annotation was computed. [2022-10-16 12:48:38,786 INFO L899 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2022-10-16 12:48:38,786 INFO L895 garLoopResultBuilder]: At program point L7580(lines 7505 7585) the Hoare annotation is: (let ((.cse0 (= 0 ~debug~0)) (.cse1 (= ~ldv_state_variable_0~0 3))) (or (and .cse0 (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) .cse1) (and .cse0 (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) (and .cse0 (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) .cse1 (<= ~ref_cnt~0 1)))) [2022-10-16 12:48:38,786 INFO L899 garLoopResultBuilder]: For program point L7316-1(lines 7316 7319) no Hoare annotation was computed. [2022-10-16 12:48:38,786 INFO L899 garLoopResultBuilder]: For program point L6689-2(line 6689) no Hoare annotation was computed. [2022-10-16 12:48:38,786 INFO L899 garLoopResultBuilder]: For program point L6689(line 6689) no Hoare annotation was computed. [2022-10-16 12:48:38,787 INFO L899 garLoopResultBuilder]: For program point L6689-6(line 6689) no Hoare annotation was computed. [2022-10-16 12:48:38,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7310) no Hoare annotation was computed. [2022-10-16 12:48:38,787 INFO L899 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2022-10-16 12:48:38,787 INFO L899 garLoopResultBuilder]: For program point L6689-4(line 6689) no Hoare annotation was computed. [2022-10-16 12:48:38,787 INFO L899 garLoopResultBuilder]: For program point L7516(lines 7516 7538) no Hoare annotation was computed. [2022-10-16 12:48:38,787 INFO L899 garLoopResultBuilder]: For program point L7285-1(line 7285) no Hoare annotation was computed. [2022-10-16 12:48:38,788 INFO L899 garLoopResultBuilder]: For program point L7285(line 7285) no Hoare annotation was computed. [2022-10-16 12:48:38,788 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7341) no Hoare annotation was computed. [2022-10-16 12:48:38,788 INFO L895 garLoopResultBuilder]: At program point L6724(lines 6695 6726) the Hoare annotation is: false [2022-10-16 12:48:38,788 INFO L899 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2022-10-16 12:48:38,788 INFO L895 garLoopResultBuilder]: At program point L7451(line 7451) the Hoare annotation is: (and (= 0 ~debug~0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-10-16 12:48:38,788 INFO L899 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2022-10-16 12:48:38,789 INFO L895 garLoopResultBuilder]: At program point L7286(lines 7259 7356) the Hoare annotation is: false [2022-10-16 12:48:38,789 INFO L899 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2022-10-16 12:48:38,789 INFO L902 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: true [2022-10-16 12:48:38,789 INFO L895 garLoopResultBuilder]: At program point L6692(lines 6678 6694) the Hoare annotation is: false [2022-10-16 12:48:38,789 INFO L899 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2022-10-16 12:48:38,789 INFO L902 garLoopResultBuilder]: At program point L7584(lines 7501 7586) the Hoare annotation is: true [2022-10-16 12:48:38,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 12:48:38,790 INFO L899 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2022-10-16 12:48:38,790 INFO L895 garLoopResultBuilder]: At program point L7452(line 7452) the Hoare annotation is: (and (= 0 ~debug~0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-10-16 12:48:38,790 INFO L895 garLoopResultBuilder]: At program point L7485(lines 7481 7487) the Hoare annotation is: (and (= 0 ~debug~0) (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1)) [2022-10-16 12:48:38,790 INFO L895 garLoopResultBuilder]: At program point L8047(lines 8046 8048) the Hoare annotation is: (and (= 0 ~debug~0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= |ULTIMATE.start_flexcop_usb_probe_~ret~2#1| 0) (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0) (= ~ldv_state_variable_0~0 3)) [2022-10-16 12:48:38,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7312) no Hoare annotation was computed. [2022-10-16 12:48:38,791 INFO L899 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2022-10-16 12:48:38,791 INFO L899 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2022-10-16 12:48:38,791 INFO L899 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2022-10-16 12:48:38,791 INFO L895 garLoopResultBuilder]: At program point L7453(line 7453) the Hoare annotation is: (and (= 0 ~debug~0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-10-16 12:48:38,791 INFO L895 garLoopResultBuilder]: At program point L7288(lines 7259 7356) the Hoare annotation is: false [2022-10-16 12:48:38,791 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7312) no Hoare annotation was computed. [2022-10-16 12:48:38,792 INFO L895 garLoopResultBuilder]: At program point L7454(line 7454) the Hoare annotation is: (and (= 0 ~debug~0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-10-16 12:48:38,792 INFO L899 garLoopResultBuilder]: For program point L7520(lines 7520 7524) no Hoare annotation was computed. [2022-10-16 12:48:38,792 INFO L899 garLoopResultBuilder]: For program point L7322(line 7322) no Hoare annotation was computed. [2022-10-16 12:48:38,792 INFO L895 garLoopResultBuilder]: At program point L7355(lines 7248 7357) the Hoare annotation is: false [2022-10-16 12:48:38,792 INFO L899 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2022-10-16 12:48:38,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7532) no Hoare annotation was computed. [2022-10-16 12:48:38,792 INFO L899 garLoopResultBuilder]: For program point L7322-1(line 7322) no Hoare annotation was computed. [2022-10-16 12:48:38,793 INFO L895 garLoopResultBuilder]: At program point L7290(lines 7259 7356) the Hoare annotation is: false [2022-10-16 12:48:38,793 INFO L899 garLoopResultBuilder]: For program point L7323-1(line 7323) no Hoare annotation was computed. [2022-10-16 12:48:38,793 INFO L899 garLoopResultBuilder]: For program point L7323(line 7323) no Hoare annotation was computed. [2022-10-16 12:48:38,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7532) no Hoare annotation was computed. [2022-10-16 12:48:38,793 INFO L899 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2022-10-16 12:48:38,793 INFO L895 garLoopResultBuilder]: At program point L8083(line 8083) the Hoare annotation is: false [2022-10-16 12:48:38,793 INFO L902 garLoopResultBuilder]: At program point L8017-1(lines 8004 8021) the Hoare annotation is: true [2022-10-16 12:48:38,794 INFO L895 garLoopResultBuilder]: At program point L8083-2(lines 8082 8084) the Hoare annotation is: false [2022-10-16 12:48:38,794 INFO L902 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: true [2022-10-16 12:48:38,794 INFO L899 garLoopResultBuilder]: For program point L6762(lines 6762 6766) no Hoare annotation was computed. [2022-10-16 12:48:38,794 INFO L899 garLoopResultBuilder]: For program point L6762-2(lines 6762 6766) no Hoare annotation was computed. [2022-10-16 12:48:38,794 INFO L899 garLoopResultBuilder]: For program point L7522(line 7522) no Hoare annotation was computed. [2022-10-16 12:48:38,794 INFO L899 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2022-10-16 12:48:38,795 INFO L895 garLoopResultBuilder]: At program point L7456(lines 7445 7458) the Hoare annotation is: (and (= 0 ~debug~0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-10-16 12:48:38,795 INFO L899 garLoopResultBuilder]: For program point L7522-1(line 7522) no Hoare annotation was computed. [2022-10-16 12:48:38,795 INFO L895 garLoopResultBuilder]: At program point L7324(lines 7259 7356) the Hoare annotation is: false [2022-10-16 12:48:38,795 INFO L899 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2022-10-16 12:48:38,795 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 12:48:38,795 INFO L895 garLoopResultBuilder]: At program point L7656(lines 7647 7658) the Hoare annotation is: (and (= 0 ~debug~0) (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1)) [2022-10-16 12:48:38,795 INFO L895 garLoopResultBuilder]: At program point L7326(lines 7259 7356) the Hoare annotation is: false [2022-10-16 12:48:38,796 INFO L899 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2022-10-16 12:48:38,796 INFO L895 garLoopResultBuilder]: At program point L8053-2(lines 8052 8054) the Hoare annotation is: (and (= 0 ~debug~0) (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) (= ~ldv_state_variable_0~0 3)) [2022-10-16 12:48:38,796 INFO L899 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2022-10-16 12:48:38,796 INFO L895 garLoopResultBuilder]: At program point L8053(line 8053) the Hoare annotation is: (and (= 0 ~debug~0) (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) (= ~ldv_state_variable_0~0 3)) [2022-10-16 12:48:38,796 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7312) no Hoare annotation was computed. [2022-10-16 12:48:38,796 INFO L899 garLoopResultBuilder]: For program point L7558(lines 7558 7561) no Hoare annotation was computed. [2022-10-16 12:48:38,797 INFO L895 garLoopResultBuilder]: At program point L7492(lines 7488 7494) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2022-10-16 12:48:38,797 INFO L899 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2022-10-16 12:48:38,797 INFO L899 garLoopResultBuilder]: For program point L7261-1(line 7261) no Hoare annotation was computed. [2022-10-16 12:48:38,797 INFO L899 garLoopResultBuilder]: For program point L7261(line 7261) no Hoare annotation was computed. [2022-10-16 12:48:38,797 INFO L899 garLoopResultBuilder]: For program point L6667-1(lines 6667 6674) no Hoare annotation was computed. [2022-10-16 12:48:38,797 INFO L899 garLoopResultBuilder]: For program point L6667(lines 6667 6674) no Hoare annotation was computed. [2022-10-16 12:48:38,797 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7261) no Hoare annotation was computed. [2022-10-16 12:48:38,798 INFO L895 garLoopResultBuilder]: At program point L7328(lines 7259 7356) the Hoare annotation is: false [2022-10-16 12:48:38,798 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 12:48:38,798 INFO L899 garLoopResultBuilder]: For program point L6668(lines 6668 6672) no Hoare annotation was computed. [2022-10-16 12:48:38,798 INFO L899 garLoopResultBuilder]: For program point L7362(lines 7362 7376) no Hoare annotation was computed. [2022-10-16 12:48:38,798 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7261) no Hoare annotation was computed. [2022-10-16 12:48:38,798 INFO L899 garLoopResultBuilder]: For program point L7263(lines 7263 7267) no Hoare annotation was computed. [2022-10-16 12:48:38,798 INFO L899 garLoopResultBuilder]: For program point L7263-2(lines 7263 7267) no Hoare annotation was computed. [2022-10-16 12:48:38,799 INFO L895 garLoopResultBuilder]: At program point L8023(lines 8022 8024) the Hoare annotation is: false [2022-10-16 12:48:38,799 INFO L895 garLoopResultBuilder]: At program point L6768(lines 6758 6770) the Hoare annotation is: false [2022-10-16 12:48:38,799 INFO L899 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2022-10-16 12:48:38,799 INFO L899 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2022-10-16 12:48:38,799 INFO L902 garLoopResultBuilder]: At program point L8090(lines 8089 8091) the Hoare annotation is: true [2022-10-16 12:48:38,799 INFO L899 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2022-10-16 12:48:38,800 INFO L895 garLoopResultBuilder]: At program point L6703(line 6703) the Hoare annotation is: (and (= 0 ~debug~0) (= 32 |ULTIMATE.start_dma_alloc_attrs_~gfp#1|) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= |ULTIMATE.start_flexcop_usb_probe_~ret~2#1| 0) (= ~ldv_state_variable_1~0 1)) [2022-10-16 12:48:38,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7322) no Hoare annotation was computed. [2022-10-16 12:48:38,800 INFO L899 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2022-10-16 12:48:38,800 INFO L899 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2022-10-16 12:48:38,800 INFO L899 garLoopResultBuilder]: For program point L7298(lines 7298 7301) no Hoare annotation was computed. [2022-10-16 12:48:38,800 INFO L899 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2022-10-16 12:48:38,801 INFO L895 garLoopResultBuilder]: At program point L7331(line 7331) the Hoare annotation is: false [2022-10-16 12:48:38,801 INFO L899 garLoopResultBuilder]: For program point L7298-2(lines 7298 7301) no Hoare annotation was computed. [2022-10-16 12:48:38,801 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7322) no Hoare annotation was computed. [2022-10-16 12:48:38,801 INFO L895 garLoopResultBuilder]: At program point L6605(lines 6601 6607) the Hoare annotation is: (and (= 0 ~debug~0) (= |ULTIMATE.start_flexcop_usb_init_#res#1| 0) (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-10-16 12:48:38,801 INFO L895 garLoopResultBuilder]: At program point L7431(lines 7395 7443) the Hoare annotation is: false [2022-10-16 12:48:38,801 INFO L899 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2022-10-16 12:48:38,801 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 12:48:38,802 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2022-10-16 12:48:38,802 INFO L895 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: false [2022-10-16 12:48:38,802 INFO L895 garLoopResultBuilder]: At program point L8059(lines 8058 8060) the Hoare annotation is: false [2022-10-16 12:48:38,802 INFO L899 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2022-10-16 12:48:38,802 INFO L899 garLoopResultBuilder]: For program point L6705-2(line 6705) no Hoare annotation was computed. [2022-10-16 12:48:38,802 INFO L899 garLoopResultBuilder]: For program point L6705(line 6705) no Hoare annotation was computed. [2022-10-16 12:48:38,802 INFO L899 garLoopResultBuilder]: For program point L6705-6(line 6705) no Hoare annotation was computed. [2022-10-16 12:48:38,802 INFO L902 garLoopResultBuilder]: At program point L7564(lines 7505 7585) the Hoare annotation is: true [2022-10-16 12:48:38,803 INFO L899 garLoopResultBuilder]: For program point L6705-4(line 6705) no Hoare annotation was computed. [2022-10-16 12:48:38,803 INFO L899 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2022-10-16 12:48:38,803 INFO L899 garLoopResultBuilder]: For program point L6705-8(lines 6702 6725) no Hoare annotation was computed. [2022-10-16 12:48:38,803 INFO L895 garLoopResultBuilder]: At program point L7664(lines 7659 7666) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2022-10-16 12:48:38,803 INFO L899 garLoopResultBuilder]: For program point L6706-1(lines 6706 6709) no Hoare annotation was computed. [2022-10-16 12:48:38,803 INFO L899 garLoopResultBuilder]: For program point L7532-1(line 7532) no Hoare annotation was computed. [2022-10-16 12:48:38,803 INFO L899 garLoopResultBuilder]: For program point L7532(line 7532) no Hoare annotation was computed. [2022-10-16 12:48:38,804 INFO L895 garLoopResultBuilder]: At program point L7334(lines 7259 7356) the Hoare annotation is: false [2022-10-16 12:48:38,804 INFO L899 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2022-10-16 12:48:38,804 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 7675 7680) no Hoare annotation was computed. [2022-10-16 12:48:38,804 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 7675 7680) the Hoare annotation is: true [2022-10-16 12:48:38,804 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2022-10-16 12:48:38,809 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:38,812 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:48:38,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:48:38 BoogieIcfgContainer [2022-10-16 12:48:38,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:48:38,843 INFO L158 Benchmark]: Toolchain (without parser) took 33937.28ms. Allocated memory was 153.1MB in the beginning and 525.3MB in the end (delta: 372.2MB). Free memory was 117.5MB in the beginning and 442.6MB in the end (delta: -325.1MB). Peak memory consumption was 323.7MB. Max. memory is 8.0GB. [2022-10-16 12:48:38,843 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 153.1MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:48:38,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2546.13ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 117.3MB in the beginning and 123.2MB in the end (delta: -5.9MB). Peak memory consumption was 102.6MB. Max. memory is 8.0GB. [2022-10-16 12:48:38,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 235.96ms. Allocated memory is still 186.6MB. Free memory was 122.7MB in the beginning and 114.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-10-16 12:48:38,844 INFO L158 Benchmark]: Boogie Preprocessor took 110.69ms. Allocated memory is still 186.6MB. Free memory was 114.3MB in the beginning and 106.4MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-10-16 12:48:38,845 INFO L158 Benchmark]: RCFGBuilder took 2866.39ms. Allocated memory was 186.6MB in the beginning and 303.0MB in the end (delta: 116.4MB). Free memory was 106.4MB in the beginning and 241.8MB in the end (delta: -135.4MB). Peak memory consumption was 38.7MB. Max. memory is 8.0GB. [2022-10-16 12:48:38,845 INFO L158 Benchmark]: TraceAbstraction took 28165.39ms. Allocated memory was 303.0MB in the beginning and 525.3MB in the end (delta: 222.3MB). Free memory was 241.3MB in the beginning and 442.6MB in the end (delta: -201.3MB). Peak memory consumption was 296.7MB. Max. memory is 8.0GB. [2022-10-16 12:48:38,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 153.1MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2546.13ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 117.3MB in the beginning and 123.2MB in the end (delta: -5.9MB). Peak memory consumption was 102.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 235.96ms. Allocated memory is still 186.6MB. Free memory was 122.7MB in the beginning and 114.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 110.69ms. Allocated memory is still 186.6MB. Free memory was 114.3MB in the beginning and 106.4MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 2866.39ms. Allocated memory was 186.6MB in the beginning and 303.0MB in the end (delta: 116.4MB). Free memory was 106.4MB in the beginning and 241.8MB in the end (delta: -135.4MB). Peak memory consumption was 38.7MB. Max. memory is 8.0GB. * TraceAbstraction took 28165.39ms. Allocated memory was 303.0MB in the beginning and 525.3MB in the end (delta: 222.3MB). Free memory was 241.3MB in the beginning and 442.6MB in the end (delta: -201.3MB). Peak memory consumption was 296.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7232]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7232]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7261]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7261]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7285]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7285]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7310]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7310]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7312]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7312]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7312]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7312]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7322]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7322]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7323]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7323]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7341]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7341]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7522]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7522]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7532]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7532]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 268 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 28.0s, OverallIterations: 16, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 4734 SdHoareTripleChecker+Valid, 12.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4588 mSDsluCounter, 12211 SdHoareTripleChecker+Invalid, 11.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7415 mSDsCounter, 707 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2259 IncrementalHoareTripleChecker+Invalid, 2970 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 707 mSolverCounterUnsat, 4796 mSDtfsCounter, 2259 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 762 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=693occurred in iteration=15, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 1572 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 1212 PreInvPairs, 1278 NumberOfFragments, 1004 HoareAnnotationTreeSize, 1212 FomulaSimplifications, 1929 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 90 FomulaSimplificationsInter, 5991 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1704 NumberOfCodeBlocks, 1704 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1795 ConstructedInterpolants, 0 QuantifiedInterpolants, 3020 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4437 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 21 InterpolantComputations, 15 PerfectInterpolantSequences, 766/815 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 8052]: Loop Invariant Derived loop invariant: (((0 == debug && ref_cnt <= 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 1) && ldv_state_variable_0 == 3 - InvariantResult [Line: 8062]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6615]: Loop Invariant Derived loop invariant: (((0 == debug && ref_cnt <= 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 1) && ldv_state_variable_0 == 3 - InvariantResult [Line: 8103]: Loop Invariant Derived loop invariant: (((0 == debug && ref_cnt <= 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 1) && ldv_state_variable_0 == 3 - InvariantResult [Line: 8039]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: (((0 == debug && \result == 0) && ldv_state_variable_1 == 1) && ref_cnt == 0) && ldv_state_variable_0 == 3 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8099]: Loop Invariant Derived loop invariant: (0 == debug && ref_cnt <= 0) && 0 <= ref_cnt - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: ((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || 1 <= i - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7647]: Loop Invariant Derived loop invariant: ((0 == debug && ref_cnt <= 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 1 - InvariantResult [Line: 6727]: Loop Invariant Derived loop invariant: ((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || 1 <= i - InvariantResult [Line: 7659]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8089]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8110]: Loop Invariant Derived loop invariant: ((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || 1 <= i - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((((0 == debug && \result == 0) && ldv_state_variable_1 == 1) && ref_cnt == 0) && ldv_state_variable_0 == 3) || ((((((0 == debug && ref_cnt <= 0) && 19 + ret <= 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 1) && ldv_state_variable_0 == 3) && 19 + \result <= 0) - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8065]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6571]: Loop Invariant Derived loop invariant: ((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || 1 <= i - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: (((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || i == 0) || (i <= 3 && 1 <= i) - InvariantResult [Line: 6541]: Loop Invariant Derived loop invariant: ((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || 1 <= i - InvariantResult [Line: 7995]: Loop Invariant Derived loop invariant: (0 == debug && ldv_state_variable_1 == 0) && ref_cnt == 0 - InvariantResult [Line: 6640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8035]: Loop Invariant Derived loop invariant: ((((0 == debug && \result == 0) && ldv_state_variable_1 == 2) && 1 <= ref_cnt) && ldv_state_variable_0 == 3) && ref_cnt <= 1 - InvariantResult [Line: 7501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8092]: Loop Invariant Derived loop invariant: (((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || i == 0) || (i <= 3 && 1 <= i) - InvariantResult [Line: 8025]: Loop Invariant Derived loop invariant: ((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || 1 <= i - InvariantResult [Line: 6678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7360]: Loop Invariant Derived loop invariant: (((0 == debug && ref_cnt <= 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 1) && ldv_state_variable_0 == 3 - InvariantResult [Line: 7488]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0 - InvariantResult [Line: 8022]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7358]: Loop Invariant Derived loop invariant: (((((0 == debug && ref_cnt <= 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 1) && ldv_state_variable_0 == 3) && 19 + \result <= 0) || ((((0 == debug && \result == 0) && ldv_state_variable_1 == 1) && ref_cnt == 0) && ldv_state_variable_0 == 3) - InvariantResult [Line: 7445]: Loop Invariant Derived loop invariant: ((((0 == debug && \result == 0) && ldv_state_variable_1 == 2) && 1 <= ref_cnt) && ldv_state_variable_0 == 3) && ref_cnt <= 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8095]: Loop Invariant Derived loop invariant: (((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || i == 0) || (i <= 3 && 1 <= i) - InvariantResult [Line: 8058]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8082]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8046]: Loop Invariant Derived loop invariant: ((((0 == debug && \result == 0) && ret == 0) && ldv_state_variable_1 == 1) && ref_cnt == 0) && ldv_state_variable_0 == 3 - InvariantResult [Line: 6771]: Loop Invariant Derived loop invariant: ((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || 1 <= i - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: (((((0 == debug && ref_cnt <= 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 1) && ldv_state_variable_0 == 3) || ((0 == debug && ldv_state_variable_1 == 0) && ref_cnt == 0)) || (((((0 == debug && \result == 0) && ldv_state_variable_1 == 2) && 1 <= ref_cnt) && ldv_state_variable_0 == 3) && ref_cnt <= 1) - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7481]: Loop Invariant Derived loop invariant: ((0 == debug && ref_cnt <= 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6601]: Loop Invariant Derived loop invariant: ((((0 == debug && \result == 0) && ldv_state_variable_1 == 2) && 1 <= ref_cnt) && ldv_state_variable_0 == 3) && ref_cnt <= 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: (((((!(ldv_state_variable_1 == 2) || !(0 == debug)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) || i == 0) || 1 <= i - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7389]: Loop Invariant Derived loop invariant: ((((0 == debug && ldv_state_variable_1 == 1) && ref_cnt == 0) && \result + 12 <= 0) && ldv_state_variable_0 == 3) || (((((0 == debug && ref_cnt <= 0) && \result == 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 1) && ldv_state_variable_0 == 3) - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-10-16 12:48:38,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...