./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:51:53,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:51:53,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:51:53,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:51:53,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:51:53,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:51:53,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:51:53,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:51:53,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:51:53,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:51:53,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:51:53,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:51:53,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:51:53,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:51:53,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:51:53,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:51:53,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:51:53,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:51:53,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:51:53,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:51:53,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:51:53,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:51:53,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:51:53,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:51:53,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:51:53,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:51:53,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:51:53,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:51:53,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:51:53,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:51:53,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:51:53,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:51:53,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:51:53,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:51:53,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:51:53,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:51:53,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:51:53,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:51:53,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:51:53,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:51:53,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:51:53,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:51:53,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:51:53,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:51:53,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:51:53,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:51:53,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:51:53,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:51:53,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:51:53,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:51:53,879 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:51:53,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:51:53,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:51:53,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:51:53,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:51:53,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:51:53,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:51:53,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:51:53,881 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:51:53,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:51:53,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:51:53,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:51:53,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:51:53,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:51:53,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:51:53,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:51:53,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:51:53,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:51:53,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:51:53,883 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:51:53,884 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:51:53,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:51:53,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:51:53,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 [2021-12-14 17:51:54,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:51:54,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:51:54,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:51:54,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:51:54,151 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:51:54,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-12-14 17:51:54,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3153aab39/eedc07b1516a48a680d6066417b810a8/FLAG1707fb66a [2021-12-14 17:51:54,909 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:51:54,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-12-14 17:51:54,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3153aab39/eedc07b1516a48a680d6066417b810a8/FLAG1707fb66a [2021-12-14 17:51:55,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3153aab39/eedc07b1516a48a680d6066417b810a8 [2021-12-14 17:51:55,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:51:55,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:51:55,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:51:55,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:51:55,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:51:55,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:51:55" (1/1) ... [2021-12-14 17:51:55,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f453d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:55, skipping insertion in model container [2021-12-14 17:51:55,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:51:55" (1/1) ... [2021-12-14 17:51:55,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:51:55,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:51:55,550 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2021-12-14 17:51:55,551 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2021-12-14 17:51:55,759 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2021-12-14 17:51:56,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:51:56,555 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:51:56,653 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2021-12-14 17:51:56,655 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2021-12-14 17:51:56,664 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2021-12-14 17:51:56,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:51:56,988 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:51:56,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56 WrapperNode [2021-12-14 17:51:56,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:51:56,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:51:56,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:51:56,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:51:56,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (1/1) ... [2021-12-14 17:51:57,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (1/1) ... [2021-12-14 17:51:57,265 INFO L137 Inliner]: procedures = 245, calls = 3249, calls flagged for inlining = 96, calls inlined = 88, statements flattened = 4871 [2021-12-14 17:51:57,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:51:57,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:51:57,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:51:57,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:51:57,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (1/1) ... [2021-12-14 17:51:57,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (1/1) ... [2021-12-14 17:51:57,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (1/1) ... [2021-12-14 17:51:57,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (1/1) ... [2021-12-14 17:51:57,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (1/1) ... [2021-12-14 17:51:57,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (1/1) ... [2021-12-14 17:51:57,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (1/1) ... [2021-12-14 17:51:57,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:51:57,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:51:57,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:51:57,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:51:57,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (1/1) ... [2021-12-14 17:51:57,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:51:57,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:51:57,544 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) [2021-12-14 17:51:57,568 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 [2021-12-14 17:51:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2021-12-14 17:51:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2021-12-14 17:51:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2021-12-14 17:51:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2021-12-14 17:51:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2021-12-14 17:51:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2021-12-14 17:51:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2021-12-14 17:51:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2021-12-14 17:51:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2021-12-14 17:51:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2021-12-14 17:51:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:51:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:51:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:51:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:51:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-12-14 17:51:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-12-14 17:51:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 17:51:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 17:51:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:51:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:51:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-14 17:51:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-14 17:51:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure ep_open [2021-12-14 17:51:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_open [2021-12-14 17:51:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2021-12-14 17:51:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2021-12-14 17:51:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-14 17:51:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-14 17:51:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-14 17:51:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-14 17:51:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:51:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:51:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:51:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:51:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:51:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:51:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_write_fifo [2021-12-14 17:51:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_write_fifo [2021-12-14 17:51:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure __orr32 [2021-12-14 17:51:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __orr32 [2021-12-14 17:51:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_read_frameno [2021-12-14 17:51:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_read_frameno [2021-12-14 17:51:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure our_ep [2021-12-14 17:51:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure our_ep [2021-12-14 17:51:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_dump [2021-12-14 17:51:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_dump [2021-12-14 17:51:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_core_init [2021-12-14 17:51:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_core_init [2021-12-14 17:51:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2021-12-14 17:51:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2021-12-14 17:51:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:51:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-12-14 17:51:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-12-14 17:51:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:51:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:51:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsotg [2021-12-14 17:51:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsotg [2021-12-14 17:51:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-14 17:51:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-14 17:51:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:51:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_enqueue_setup [2021-12-14 17:51:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_enqueue_setup [2021-12-14 17:51:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_start [2021-12-14 17:51:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_start [2021-12-14 17:51:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 17:51:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 17:51:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:51:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:51:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2021-12-14 17:51:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2021-12-14 17:51:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:51:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:51:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure our_req [2021-12-14 17:51:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure our_req [2021-12-14 17:51:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure ep_from_windex [2021-12-14 17:51:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_from_windex [2021-12-14 17:51:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2021-12-14 17:51:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2021-12-14 17:51:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-14 17:51:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-14 17:51:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2021-12-14 17:51:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2021-12-14 17:51:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_enable [2021-12-14 17:51:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_enable [2021-12-14 17:51:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_queue [2021-12-14 17:51:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_queue [2021-12-14 17:51:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure get_ep_head [2021-12-14 17:51:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ep_head [2021-12-14 17:51:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:51:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:51:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-12-14 17:51:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-12-14 17:51:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_open [2021-12-14 17:51:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_open [2021-12-14 17:51:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure phy_exit [2021-12-14 17:51:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_exit [2021-12-14 17:51:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-12-14 17:51:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-12-14 17:51:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_alloc_request [2021-12-14 17:51:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_alloc_request [2021-12-14 17:51:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_init_fifo [2021-12-14 17:51:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_init_fifo [2021-12-14 17:51:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:51:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:51:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:51:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_send_reply [2021-12-14 17:51:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_send_reply [2021-12-14 17:51:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-12-14 17:51:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-12-14 17:51:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_free_request [2021-12-14 17:51:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_free_request [2021-12-14 17:51:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-14 17:51:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-14 17:51:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2021-12-14 17:51:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2021-12-14 17:51:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 17:51:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 17:51:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:51:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep0_mps [2021-12-14 17:51:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep0_mps [2021-12-14 17:51:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt_lock [2021-12-14 17:51:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt_lock [2021-12-14 17:51:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2021-12-14 17:51:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2021-12-14 17:51:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2021-12-14 17:51:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2021-12-14 17:51:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:51:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-14 17:51:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-14 17:51:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_txfifo_flush [2021-12-14 17:51:57,619 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_txfifo_flush [2021-12-14 17:51:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt [2021-12-14 17:51:57,619 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt [2021-12-14 17:51:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 17:51:57,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 17:51:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2021-12-14 17:51:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2021-12-14 17:51:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_corereset [2021-12-14 17:51:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_corereset [2021-12-14 17:51:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:51:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:51:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_gadget_getframe [2021-12-14 17:51:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_gadget_getframe [2021-12-14 17:51:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-14 17:51:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-14 17:51:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 17:51:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 17:51:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:51:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-14 17:51:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-14 17:51:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure state_open [2021-12-14 17:51:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure state_open [2021-12-14 17:51:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure __bic32 [2021-12-14 17:51:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __bic32 [2021-12-14 17:51:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:51:57,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:51:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ctrl_epint [2021-12-14 17:51:57,623 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ctrl_epint [2021-12-14 17:51:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:51:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_en_gsint [2021-12-14 17:51:57,623 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_en_gsint [2021-12-14 17:51:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-14 17:51:57,624 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-14 17:51:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:51:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:51:57,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:51:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:51:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_set_ep_maxpacket [2021-12-14 17:51:57,624 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_set_ep_maxpacket [2021-12-14 17:51:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:51:57,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:51:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:51:57,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:51:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2021-12-14 17:51:57,625 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2021-12-14 17:51:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 17:51:57,626 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 17:51:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2021-12-14 17:51:57,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2021-12-14 17:51:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2021-12-14 17:51:57,626 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2021-12-14 17:51:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-14 17:51:57,626 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-14 17:51:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:51:57,627 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:51:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure using_dma [2021-12-14 17:51:57,627 INFO L138 BoogieDeclarations]: Found implementation of procedure using_dma [2021-12-14 17:51:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:51:57,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:51:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:51:57,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:51:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2021-12-14 17:51:57,628 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2021-12-14 17:51:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-14 17:51:57,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-14 17:51:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_start_req [2021-12-14 17:51:57,628 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_start_req [2021-12-14 17:51:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 17:51:57,629 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 17:51:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 17:51:57,629 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 17:51:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:51:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:51:57,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:51:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_stall_ep0 [2021-12-14 17:51:57,630 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_stall_ep0 [2021-12-14 17:51:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:51:57,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:51:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 17:51:57,630 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 17:51:58,444 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:51:58,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:51:59,104 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:52:02,433 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:52:02,456 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:52:02,456 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 17:52:02,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:52:02 BoogieIcfgContainer [2021-12-14 17:52:02,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:52:02,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:52:02,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:52:02,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:52:02,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:51:55" (1/3) ... [2021-12-14 17:52:02,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a57837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:52:02, skipping insertion in model container [2021-12-14 17:52:02,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:56" (2/3) ... [2021-12-14 17:52:02,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a57837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:52:02, skipping insertion in model container [2021-12-14 17:52:02,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:52:02" (3/3) ... [2021-12-14 17:52:02,468 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-12-14 17:52:02,473 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:52:02,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:52:02,528 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:52:02,533 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:52:02,534 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:52:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 1843 states, 1252 states have (on average 1.3210862619808306) internal successors, (1654), 1289 states have internal predecessors, (1654), 494 states have call successors, (494), 97 states have call predecessors, (494), 96 states have return successors, (486), 483 states have call predecessors, (486), 486 states have call successors, (486) [2021-12-14 17:52:02,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-14 17:52:02,583 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:52:02,584 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:52:02,584 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:52:02,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:52:02,589 INFO L85 PathProgramCache]: Analyzing trace with hash -2012223446, now seen corresponding path program 1 times [2021-12-14 17:52:02,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:52:02,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88648195] [2021-12-14 17:52:02,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:52:02,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:52:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:52:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:52:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:52:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:52:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:52:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:52:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:52:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:52:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:52:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 17:52:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:03,281 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-14 17:52:03,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:52:03,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88648195] [2021-12-14 17:52:03,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88648195] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:52:03,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:52:03,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:52:03,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290640733] [2021-12-14 17:52:03,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:52:03,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:52:03,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:52:03,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:52:03,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:52:03,321 INFO L87 Difference]: Start difference. First operand has 1843 states, 1252 states have (on average 1.3210862619808306) internal successors, (1654), 1289 states have internal predecessors, (1654), 494 states have call successors, (494), 97 states have call predecessors, (494), 96 states have return successors, (486), 483 states have call predecessors, (486), 486 states have call successors, (486) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-14 17:52:11,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:52:11,361 INFO L93 Difference]: Finished difference Result 5706 states and 8391 transitions. [2021-12-14 17:52:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:52:11,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 79 [2021-12-14 17:52:11,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:52:11,409 INFO L225 Difference]: With dead ends: 5706 [2021-12-14 17:52:11,409 INFO L226 Difference]: Without dead ends: 3827 [2021-12-14 17:52:11,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:52:11,435 INFO L933 BasicCegarLoop]: 2601 mSDtfsCounter, 4239 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 2961 mSolverCounterSat, 3061 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4555 SdHoareTripleChecker+Valid, 6523 SdHoareTripleChecker+Invalid, 6022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3061 IncrementalHoareTripleChecker+Valid, 2961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-12-14 17:52:11,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4555 Valid, 6523 Invalid, 6022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3061 Valid, 2961 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-12-14 17:52:11,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2021-12-14 17:52:11,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3563. [2021-12-14 17:52:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 2426 states have (on average 1.311624072547403) internal successors, (3182), 2479 states have internal predecessors, (3182), 947 states have call successors, (947), 190 states have call predecessors, (947), 189 states have return successors, (946), 939 states have call predecessors, (946), 946 states have call successors, (946) [2021-12-14 17:52:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 5075 transitions. [2021-12-14 17:52:11,782 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 5075 transitions. Word has length 79 [2021-12-14 17:52:11,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:52:11,783 INFO L470 AbstractCegarLoop]: Abstraction has 3563 states and 5075 transitions. [2021-12-14 17:52:11,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-14 17:52:11,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 5075 transitions. [2021-12-14 17:52:11,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-14 17:52:11,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:52:11,803 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:52:11,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:52:11,804 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:52:11,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:52:11,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2050837602, now seen corresponding path program 1 times [2021-12-14 17:52:11,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:52:11,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616086937] [2021-12-14 17:52:11,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:52:11,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:52:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:52:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:52:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:52:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:52:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:52:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:52:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:52:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:52:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:52:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 17:52:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 17:52:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 17:52:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 17:52:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 17:52:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 17:52:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 17:52:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-14 17:52:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 17:52:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-14 17:52:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 17:52:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 17:52:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:12,437 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2021-12-14 17:52:12,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:52:12,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616086937] [2021-12-14 17:52:12,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616086937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:52:12,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:52:12,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:52:12,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979372324] [2021-12-14 17:52:12,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:52:12,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:52:12,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:52:12,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:52:12,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:52:12,442 INFO L87 Difference]: Start difference. First operand 3563 states and 5075 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-14 17:52:20,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:52:20,543 INFO L93 Difference]: Finished difference Result 5955 states and 8534 transitions. [2021-12-14 17:52:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:52:20,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2021-12-14 17:52:20,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:52:20,580 INFO L225 Difference]: With dead ends: 5955 [2021-12-14 17:52:20,581 INFO L226 Difference]: Without dead ends: 5952 [2021-12-14 17:52:20,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:52:20,586 INFO L933 BasicCegarLoop]: 3054 mSDtfsCounter, 2942 mSDsluCounter, 3815 mSDsCounter, 0 mSdLazyCounter, 2760 mSolverCounterSat, 2169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3165 SdHoareTripleChecker+Valid, 6869 SdHoareTripleChecker+Invalid, 4929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2169 IncrementalHoareTripleChecker+Valid, 2760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-14 17:52:20,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3165 Valid, 6869 Invalid, 4929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2169 Valid, 2760 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-12-14 17:52:20,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5952 states. [2021-12-14 17:52:20,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5952 to 5581. [2021-12-14 17:52:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5581 states, 3780 states have (on average 1.294179894179894) internal successors, (4892), 3871 states have internal predecessors, (4892), 1477 states have call successors, (1477), 320 states have call predecessors, (1477), 323 states have return successors, (1527), 1459 states have call predecessors, (1527), 1476 states have call successors, (1527) [2021-12-14 17:52:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 5581 states and 7896 transitions. [2021-12-14 17:52:20,877 INFO L78 Accepts]: Start accepts. Automaton has 5581 states and 7896 transitions. Word has length 165 [2021-12-14 17:52:20,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:52:20,878 INFO L470 AbstractCegarLoop]: Abstraction has 5581 states and 7896 transitions. [2021-12-14 17:52:20,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-14 17:52:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 7896 transitions. [2021-12-14 17:52:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-14 17:52:20,889 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:52:20,889 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:52:20,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:52:20,890 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:52:20,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:52:20,890 INFO L85 PathProgramCache]: Analyzing trace with hash 987581138, now seen corresponding path program 1 times [2021-12-14 17:52:20,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:52:20,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111293821] [2021-12-14 17:52:20,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:52:20,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:52:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:52:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:52:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:52:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:52:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:52:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:52:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:52:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:52:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:52:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 17:52:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 17:52:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 17:52:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 17:52:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 17:52:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:52:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 17:52:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 17:52:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:52:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 17:52:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 17:52:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:52:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-14 17:52:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 17:52:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 17:52:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-14 17:52:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:21,319 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-12-14 17:52:21,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:52:21,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111293821] [2021-12-14 17:52:21,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111293821] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:52:21,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:52:21,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:52:21,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485208568] [2021-12-14 17:52:21,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:52:21,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:52:21,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:52:21,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:52:21,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:52:21,323 INFO L87 Difference]: Start difference. First operand 5581 states and 7896 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-14 17:52:32,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:52:32,941 INFO L93 Difference]: Finished difference Result 17380 states and 24791 transitions. [2021-12-14 17:52:32,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 17:52:32,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 206 [2021-12-14 17:52:32,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:52:33,006 INFO L225 Difference]: With dead ends: 17380 [2021-12-14 17:52:33,006 INFO L226 Difference]: Without dead ends: 11826 [2021-12-14 17:52:33,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-14 17:52:33,040 INFO L933 BasicCegarLoop]: 3795 mSDtfsCounter, 4734 mSDsluCounter, 4432 mSDsCounter, 0 mSdLazyCounter, 6333 mSolverCounterSat, 4187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5102 SdHoareTripleChecker+Valid, 8227 SdHoareTripleChecker+Invalid, 10520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4187 IncrementalHoareTripleChecker+Valid, 6333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:52:33,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5102 Valid, 8227 Invalid, 10520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4187 Valid, 6333 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2021-12-14 17:52:33,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11826 states. [2021-12-14 17:52:33,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11826 to 10950. [2021-12-14 17:52:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10950 states, 7403 states have (on average 1.2933945697690126) internal successors, (9575), 7580 states have internal predecessors, (9575), 2906 states have call successors, (2906), 615 states have call predecessors, (2906), 640 states have return successors, (3019), 2894 states have call predecessors, (3019), 2905 states have call successors, (3019) [2021-12-14 17:52:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10950 states to 10950 states and 15500 transitions. [2021-12-14 17:52:33,541 INFO L78 Accepts]: Start accepts. Automaton has 10950 states and 15500 transitions. Word has length 206 [2021-12-14 17:52:33,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:52:33,542 INFO L470 AbstractCegarLoop]: Abstraction has 10950 states and 15500 transitions. [2021-12-14 17:52:33,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-14 17:52:33,544 INFO L276 IsEmpty]: Start isEmpty. Operand 10950 states and 15500 transitions. [2021-12-14 17:52:33,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-14 17:52:33,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:52:33,563 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:52:33,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:52:33,564 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:52:33,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:52:33,564 INFO L85 PathProgramCache]: Analyzing trace with hash -39776023, now seen corresponding path program 1 times [2021-12-14 17:52:33,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:52:33,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952206845] [2021-12-14 17:52:33,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:52:33,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:52:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:52:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:52:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:52:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:52:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:52:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:52:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:52:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:52:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:52:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 17:52:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:52:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 17:52:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 17:52:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 17:52:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-14 17:52:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:52:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 17:52:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 17:52:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:52:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-14 17:52:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 17:52:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:52:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 17:52:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 17:52:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 17:52:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-14 17:52:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-12-14 17:52:33,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:52:33,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952206845] [2021-12-14 17:52:33,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952206845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:52:33,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:52:33,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:52:33,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545433482] [2021-12-14 17:52:33,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:52:33,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:52:33,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:52:33,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:52:33,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:52:33,988 INFO L87 Difference]: Start difference. First operand 10950 states and 15500 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-14 17:52:43,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:52:43,805 INFO L93 Difference]: Finished difference Result 31791 states and 45334 transitions. [2021-12-14 17:52:43,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 17:52:43,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 216 [2021-12-14 17:52:43,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:52:43,960 INFO L225 Difference]: With dead ends: 31791 [2021-12-14 17:52:43,961 INFO L226 Difference]: Without dead ends: 20877 [2021-12-14 17:52:44,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-14 17:52:44,004 INFO L933 BasicCegarLoop]: 2350 mSDtfsCounter, 6660 mSDsluCounter, 3459 mSDsCounter, 0 mSdLazyCounter, 5282 mSolverCounterSat, 5475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7038 SdHoareTripleChecker+Valid, 5809 SdHoareTripleChecker+Invalid, 10757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5475 IncrementalHoareTripleChecker+Valid, 5282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-12-14 17:52:44,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7038 Valid, 5809 Invalid, 10757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5475 Valid, 5282 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2021-12-14 17:52:44,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20877 states. [2021-12-14 17:52:44,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20877 to 19345. [2021-12-14 17:52:44,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19345 states, 13097 states have (on average 1.294342215774605) internal successors, (16952), 13409 states have internal predecessors, (16952), 5115 states have call successors, (5115), 1088 states have call predecessors, (5115), 1132 states have return successors, (5321), 5094 states have call predecessors, (5321), 5114 states have call successors, (5321) [2021-12-14 17:52:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19345 states to 19345 states and 27388 transitions. [2021-12-14 17:52:44,911 INFO L78 Accepts]: Start accepts. Automaton has 19345 states and 27388 transitions. Word has length 216 [2021-12-14 17:52:44,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:52:44,912 INFO L470 AbstractCegarLoop]: Abstraction has 19345 states and 27388 transitions. [2021-12-14 17:52:44,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-14 17:52:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 19345 states and 27388 transitions. [2021-12-14 17:52:44,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-12-14 17:52:44,939 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:52:44,940 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:52:44,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 17:52:44,940 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:52:44,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:52:44,941 INFO L85 PathProgramCache]: Analyzing trace with hash -492455745, now seen corresponding path program 1 times [2021-12-14 17:52:44,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:52:44,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32349387] [2021-12-14 17:52:44,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:52:44,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:52:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:52:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:52:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:52:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:52:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:52:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:52:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:52:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:52:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:52:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 17:52:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 17:52:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:52:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 17:52:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 17:52:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 17:52:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:52:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 17:52:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 17:52:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:52:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-14 17:52:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-14 17:52:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:52:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 17:52:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-14 17:52:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 17:52:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 17:52:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-12-14 17:52:45,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:52:45,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32349387] [2021-12-14 17:52:45,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32349387] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:52:45,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:52:45,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:52:45,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280528919] [2021-12-14 17:52:45,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:52:45,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:52:45,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:52:45,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:52:45,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:52:45,350 INFO L87 Difference]: Start difference. First operand 19345 states and 27388 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)