./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.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 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:29:07,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:29:07,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:29:07,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:29:07,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:29:07,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:29:07,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:29:07,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:29:07,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:29:07,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:29:07,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:29:07,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:29:07,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:29:07,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:29:07,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:29:07,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:29:07,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:29:07,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:29:07,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:29:07,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:29:07,603 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:29:07,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:29:07,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:29:07,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:29:07,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:29:07,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:29:07,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:29:07,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:29:07,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:29:07,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:29:07,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:29:07,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:29:07,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:29:07,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:29:07,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:29:07,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:29:07,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:29:07,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:29:07,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:29:07,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:29:07,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:29:07,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:29:07,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:29:07,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:29:07,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:29:07,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:29:07,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:29:07,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:29:07,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:29:07,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:29:07,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:29:07,653 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:29:07,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:29:07,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:29:07,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:29:07,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:29:07,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:29:07,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:29:07,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:29:07,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:29:07,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:29:07,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:29:07,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:29:07,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:29:07,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:29:07,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:29:07,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:29:07,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:29:07,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:29:07,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:29:07,657 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:29:07,657 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:29:07,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:29:07,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 [2022-07-14 01:29:07,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:29:07,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:29:07,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:29:07,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:29:07,935 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:29:07,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-14 01:29:07,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eaed78d2/f2bdd00de45e4ddf9bdf70f187733087/FLAGa1b9b8f65 [2022-07-14 01:29:08,699 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:29:08,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-14 01:29:08,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eaed78d2/f2bdd00de45e4ddf9bdf70f187733087/FLAGa1b9b8f65 [2022-07-14 01:29:08,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eaed78d2/f2bdd00de45e4ddf9bdf70f187733087 [2022-07-14 01:29:08,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:29:08,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:29:08,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:29:08,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:29:08,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:29:08,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:29:08" (1/1) ... [2022-07-14 01:29:08,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c71b871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:08, skipping insertion in model container [2022-07-14 01:29:08,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:29:08" (1/1) ... [2022-07-14 01:29:08,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:29:08,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:29:12,266 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-07-14 01:29:12,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:29:12,583 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:29:13,011 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-07-14 01:29:13,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:29:13,170 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:29:13,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13 WrapperNode [2022-07-14 01:29:13,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:29:13,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:29:13,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:29:13,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:29:13,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (1/1) ... [2022-07-14 01:29:13,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (1/1) ... [2022-07-14 01:29:13,460 INFO L137 Inliner]: procedures = 504, calls = 2646, calls flagged for inlining = 220, calls inlined = 169, statements flattened = 6234 [2022-07-14 01:29:13,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:29:13,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:29:13,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:29:13,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:29:13,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (1/1) ... [2022-07-14 01:29:13,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (1/1) ... [2022-07-14 01:29:13,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (1/1) ... [2022-07-14 01:29:13,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (1/1) ... [2022-07-14 01:29:13,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (1/1) ... [2022-07-14 01:29:13,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (1/1) ... [2022-07-14 01:29:13,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (1/1) ... [2022-07-14 01:29:13,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:29:13,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:29:13,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:29:13,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:29:13,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (1/1) ... [2022-07-14 01:29:13,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:29:13,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:29:13,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 01:29:13,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 01:29:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-07-14 01:29:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-07-14 01:29:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-14 01:29:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-14 01:29:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-14 01:29:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-14 01:29:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-14 01:29:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-14 01:29:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-14 01:29:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-14 01:29:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:29:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:29:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-14 01:29:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-14 01:29:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 01:29:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 01:29:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-07-14 01:29:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-07-14 01:29:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:29:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:29:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-07-14 01:29:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-07-14 01:29:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-07-14 01:29:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-07-14 01:29:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-14 01:29:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-14 01:29:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-14 01:29:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-14 01:29:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-14 01:29:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-14 01:29:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-14 01:29:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-14 01:29:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-14 01:29:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-14 01:29:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-14 01:29:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-14 01:29:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-14 01:29:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-14 01:29:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 01:29:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 01:29:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-14 01:29:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-14 01:29:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 01:29:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 01:29:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-14 01:29:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-14 01:29:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-07-14 01:29:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-07-14 01:29:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-14 01:29:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-14 01:29:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 01:29:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 01:29:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-14 01:29:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-14 01:29:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-07-14 01:29:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-07-14 01:29:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-14 01:29:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-14 01:29:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-14 01:29:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-14 01:29:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-14 01:29:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-14 01:29:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-14 01:29:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-14 01:29:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 01:29:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 01:29:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 01:29:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 01:29:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 01:29:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 01:29:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 01:29:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 01:29:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-14 01:29:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-14 01:29:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 01:29:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 01:29:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-14 01:29:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-14 01:29:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:29:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-14 01:29:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-14 01:29:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 01:29:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 01:29:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-07-14 01:29:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-07-14 01:29:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 01:29:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 01:29:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-14 01:29:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-14 01:29:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 01:29:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 01:29:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 01:29:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 01:29:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-14 01:29:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-14 01:29:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 01:29:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-07-14 01:29:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-07-14 01:29:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 01:29:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 01:29:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 01:29:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-14 01:29:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-14 01:29:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 01:29:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 01:29:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 01:29:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-14 01:29:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-14 01:29:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 01:29:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 01:29:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-07-14 01:29:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-07-14 01:29:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 01:29:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 01:29:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-07-14 01:29:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-07-14 01:29:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 01:29:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 01:29:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-07-14 01:29:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-07-14 01:29:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-14 01:29:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-14 01:29:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-14 01:29:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-14 01:29:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-14 01:29:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-14 01:29:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-14 01:29:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-14 01:29:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:29:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:29:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-14 01:29:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-14 01:29:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-14 01:29:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-14 01:29:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-14 01:29:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-14 01:29:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-07-14 01:29:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-07-14 01:29:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-07-14 01:29:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-07-14 01:29:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:29:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-14 01:29:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-14 01:29:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-14 01:29:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-14 01:29:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-14 01:29:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-14 01:29:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:29:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 01:29:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 01:29:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-14 01:29:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-14 01:29:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 01:29:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 01:29:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:29:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:29:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:29:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-07-14 01:29:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-07-14 01:29:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 01:29:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 01:29:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-14 01:29:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-14 01:29:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 01:29:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 01:29:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-14 01:29:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-14 01:29:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 01:29:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 01:29:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-07-14 01:29:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-07-14 01:29:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-14 01:29:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-14 01:29:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-14 01:29:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-14 01:29:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-14 01:29:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-14 01:29:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-14 01:29:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-14 01:29:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-14 01:29:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-14 01:29:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-14 01:29:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-14 01:29:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 01:29:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 01:29:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-07-14 01:29:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-07-14 01:29:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:29:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:29:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 01:29:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 01:29:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 01:29:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 01:29:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-14 01:29:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-14 01:29:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 01:29:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 01:29:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:29:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:29:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:29:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:29:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-14 01:29:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-14 01:29:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-14 01:29:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-14 01:29:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-14 01:29:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-14 01:29:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 01:29:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 01:29:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-07-14 01:29:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-07-14 01:29:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-14 01:29:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-14 01:29:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-07-14 01:29:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-07-14 01:29:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-14 01:29:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-14 01:29:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:29:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:29:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-07-14 01:29:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-07-14 01:29:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-14 01:29:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-14 01:29:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:29:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:29:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-14 01:29:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-14 01:29:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:29:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:29:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:29:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:29:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 01:29:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 01:29:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-14 01:29:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-14 01:29:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-14 01:29:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-14 01:29:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-07-14 01:29:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-07-14 01:29:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-07-14 01:29:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-07-14 01:29:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 01:29:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 01:29:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:29:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-14 01:29:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-14 01:29:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 01:29:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 01:29:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-07-14 01:29:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-07-14 01:29:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 01:29:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 01:29:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:29:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-14 01:29:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-14 01:29:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-14 01:29:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-14 01:29:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-14 01:29:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-14 01:29:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:29:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-14 01:29:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-14 01:29:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-14 01:29:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-14 01:29:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 01:29:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 01:29:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 01:29:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 01:29:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-07-14 01:29:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-07-14 01:29:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 01:29:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 01:29:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-07-14 01:29:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-07-14 01:29:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-14 01:29:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-14 01:29:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-14 01:29:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-14 01:29:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-14 01:29:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-14 01:29:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-07-14 01:29:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-07-14 01:29:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-14 01:29:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-14 01:29:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_control_of_r8152 [2022-07-14 01:29:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_control_of_r8152 [2022-07-14 01:29:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 01:29:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 01:29:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-14 01:29:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-14 01:29:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 01:29:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 01:29:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-14 01:29:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-14 01:29:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-07-14 01:29:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-07-14 01:29:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 01:29:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 01:29:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 01:29:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 01:29:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-07-14 01:29:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-07-14 01:29:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 01:29:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 01:29:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:29:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:29:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-07-14 01:29:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-07-14 01:29:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-14 01:29:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-14 01:29:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 01:29:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-14 01:29:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-14 01:29:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-14 01:29:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-14 01:29:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:29:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:29:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-14 01:29:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-14 01:29:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-14 01:29:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-14 01:29:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-14 01:29:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-14 01:29:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-14 01:29:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-14 01:29:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:29:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:29:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-14 01:29:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-14 01:29:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_control_of_r8152 [2022-07-14 01:29:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_control_of_r8152 [2022-07-14 01:29:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-14 01:29:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-14 01:29:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-14 01:29:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-14 01:29:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_control_of_r8152 [2022-07-14 01:29:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_control_of_r8152 [2022-07-14 01:29:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-14 01:29:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-14 01:29:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-14 01:29:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-14 01:29:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-14 01:29:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-14 01:29:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-14 01:29:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-14 01:29:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-14 01:29:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-14 01:29:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 01:29:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 01:29:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 01:29:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 01:29:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-14 01:29:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-14 01:29:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 01:29:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-14 01:29:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-14 01:29:14,719 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:29:14,724 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:29:14,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:29:57,849 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:29:57,874 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:29:57,874 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:29:57,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:29:57 BoogieIcfgContainer [2022-07-14 01:29:57,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:29:57,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:29:57,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:29:57,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:29:57,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:29:08" (1/3) ... [2022-07-14 01:29:57,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d8034b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:29:57, skipping insertion in model container [2022-07-14 01:29:57,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:29:13" (2/3) ... [2022-07-14 01:29:57,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d8034b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:29:57, skipping insertion in model container [2022-07-14 01:29:57,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:29:57" (3/3) ... [2022-07-14 01:29:57,885 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-14 01:29:57,895 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:29:57,895 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:29:57,972 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:29:57,976 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6368b765, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@526b2894 [2022-07-14 01:29:57,977 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:29:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 3335 states, 2252 states have (on average 1.4591474245115452) internal successors, (3286), 2318 states have internal predecessors, (3286), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) [2022-07-14 01:29:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-14 01:29:58,002 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:29:58,003 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:29:58,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:29:58,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:29:58,008 INFO L85 PathProgramCache]: Analyzing trace with hash 743549358, now seen corresponding path program 1 times [2022-07-14 01:29:58,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:29:58,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342038008] [2022-07-14 01:29:58,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:29:58,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:29:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:29:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:29:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:29:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:29:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:29:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:29:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:29:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:29:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:29:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:29:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:29:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:29:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:29:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:29:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:29:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:29:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:29:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:29:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:29:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:29:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:29:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:29:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:29:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:29:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:29:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:29:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:29:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:29:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:29:59,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:29:59,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342038008] [2022-07-14 01:29:59,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342038008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:29:59,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:29:59,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 01:29:59,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520818974] [2022-07-14 01:29:59,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:29:59,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 01:29:59,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:29:59,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 01:29:59,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 01:29:59,610 INFO L87 Difference]: Start difference. First operand has 3335 states, 2252 states have (on average 1.4591474245115452) internal successors, (3286), 2318 states have internal predecessors, (3286), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:30:01,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:30:03,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:30:09,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:30:13,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:30:28,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:30:28,850 INFO L93 Difference]: Finished difference Result 7389 states and 12111 transitions. [2022-07-14 01:30:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 01:30:28,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 250 [2022-07-14 01:30:28,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:30:28,921 INFO L225 Difference]: With dead ends: 7389 [2022-07-14 01:30:28,922 INFO L226 Difference]: Without dead ends: 4045 [2022-07-14 01:30:28,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:30:28,968 INFO L413 NwaCegarLoop]: 4659 mSDtfsCounter, 2561 mSDsluCounter, 6392 mSDsCounter, 0 mSdLazyCounter, 2978 mSolverCounterSat, 2574 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 11051 SdHoareTripleChecker+Invalid, 5555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2574 IncrementalHoareTripleChecker+Valid, 2978 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2022-07-14 01:30:28,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 11051 Invalid, 5555 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2574 Valid, 2978 Invalid, 3 Unknown, 0 Unchecked, 28.3s Time] [2022-07-14 01:30:28,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4045 states. [2022-07-14 01:30:29,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4045 to 3321. [2022-07-14 01:30:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3321 states, 2246 states have (on average 1.3000890471950133) internal successors, (2920), 2304 states have internal predecessors, (2920), 906 states have call successors, (906), 169 states have call predecessors, (906), 168 states have return successors, (899), 885 states have call predecessors, (899), 899 states have call successors, (899) [2022-07-14 01:30:29,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 3321 states and 4725 transitions. [2022-07-14 01:30:29,269 INFO L78 Accepts]: Start accepts. Automaton has 3321 states and 4725 transitions. Word has length 250 [2022-07-14 01:30:29,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:30:29,270 INFO L495 AbstractCegarLoop]: Abstraction has 3321 states and 4725 transitions. [2022-07-14 01:30:29,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:30:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 4725 transitions. [2022-07-14 01:30:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-14 01:30:29,276 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:30:29,276 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:30:29,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 01:30:29,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:30:29,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:30:29,278 INFO L85 PathProgramCache]: Analyzing trace with hash 566049344, now seen corresponding path program 1 times [2022-07-14 01:30:29,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:30:29,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693960093] [2022-07-14 01:30:29,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:30:29,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:30:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:30:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:30:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:30:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:29,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:30:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:30:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:30:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:30:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:30:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:30:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:30:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:30:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:30:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:30:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:30:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:30:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:30:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:30:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:30:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:30:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:30:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:30:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:30:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:30:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:30:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:30:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:30:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:30:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:30:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:30:30,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:30:30,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693960093] [2022-07-14 01:30:30,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693960093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:30:30,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:30:30,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:30:30,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765685857] [2022-07-14 01:30:30,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:30:30,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:30:30,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:30:30,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:30:30,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:30:30,576 INFO L87 Difference]: Start difference. First operand 3321 states and 4725 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-14 01:30:32,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:30:34,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:30:39,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:31:16,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:31:16,942 INFO L93 Difference]: Finished difference Result 11292 states and 16504 transitions. [2022-07-14 01:31:16,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:31:16,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 250 [2022-07-14 01:31:16,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:31:17,042 INFO L225 Difference]: With dead ends: 11292 [2022-07-14 01:31:17,042 INFO L226 Difference]: Without dead ends: 8014 [2022-07-14 01:31:17,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:31:17,207 INFO L413 NwaCegarLoop]: 5316 mSDtfsCounter, 10588 mSDsluCounter, 8610 mSDsCounter, 0 mSdLazyCounter, 5249 mSolverCounterSat, 6270 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11037 SdHoareTripleChecker+Valid, 13926 SdHoareTripleChecker+Invalid, 11521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6270 IncrementalHoareTripleChecker+Valid, 5249 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:31:17,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11037 Valid, 13926 Invalid, 11521 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6270 Valid, 5249 Invalid, 2 Unknown, 0 Unchecked, 45.1s Time] [2022-07-14 01:31:17,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8014 states. [2022-07-14 01:31:17,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8014 to 6564. [2022-07-14 01:31:17,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6564 states, 4447 states have (on average 1.3015516078255003) internal successors, (5788), 4557 states have internal predecessors, (5788), 1781 states have call successors, (1781), 336 states have call predecessors, (1781), 335 states have return successors, (1774), 1746 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-14 01:31:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6564 states to 6564 states and 9343 transitions. [2022-07-14 01:31:17,517 INFO L78 Accepts]: Start accepts. Automaton has 6564 states and 9343 transitions. Word has length 250 [2022-07-14 01:31:17,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:31:17,520 INFO L495 AbstractCegarLoop]: Abstraction has 6564 states and 9343 transitions. [2022-07-14 01:31:17,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-14 01:31:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 6564 states and 9343 transitions. [2022-07-14 01:31:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-07-14 01:31:17,528 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:31:17,528 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:31:17,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 01:31:17,528 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:31:17,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:31:17,529 INFO L85 PathProgramCache]: Analyzing trace with hash -452090653, now seen corresponding path program 1 times [2022-07-14 01:31:17,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:31:17,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812391678] [2022-07-14 01:31:17,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:31:17,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:31:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:31:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:31:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:31:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:31:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:31:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:31:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:31:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:31:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:31:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:31:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:31:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:31:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:31:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:31:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:31:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:31:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:31:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:31:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:31:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:31:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:31:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:31:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:31:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:31:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:31:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:31:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:31:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-14 01:31:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:31:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:31:18,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:31:18,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812391678] [2022-07-14 01:31:18,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812391678] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:31:18,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:31:18,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:31:18,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284308408] [2022-07-14 01:31:18,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:31:18,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:31:18,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:31:18,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:31:18,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:31:18,580 INFO L87 Difference]: Start difference. First operand 6564 states and 9343 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 01:31:20,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:31:22,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:31:27,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:31:29,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:32:05,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:32:05,122 INFO L93 Difference]: Finished difference Result 22334 states and 32602 transitions. [2022-07-14 01:32:05,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:32:05,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 257 [2022-07-14 01:32:05,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:32:05,332 INFO L225 Difference]: With dead ends: 22334 [2022-07-14 01:32:05,333 INFO L226 Difference]: Without dead ends: 15813 [2022-07-14 01:32:05,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:32:05,411 INFO L413 NwaCegarLoop]: 7076 mSDtfsCounter, 9264 mSDsluCounter, 10372 mSDsCounter, 0 mSdLazyCounter, 5503 mSolverCounterSat, 5251 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9696 SdHoareTripleChecker+Valid, 17448 SdHoareTripleChecker+Invalid, 10757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5251 IncrementalHoareTripleChecker+Valid, 5503 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:32:05,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9696 Valid, 17448 Invalid, 10757 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5251 Valid, 5503 Invalid, 3 Unknown, 0 Unchecked, 45.1s Time] [2022-07-14 01:32:05,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15813 states. [2022-07-14 01:32:06,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15813 to 12909. [2022-07-14 01:32:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12909 states, 8758 states have (on average 1.300753596711578) internal successors, (11392), 8966 states have internal predecessors, (11392), 3481 states have call successors, (3481), 670 states have call predecessors, (3481), 669 states have return successors, (3474), 3420 states have call predecessors, (3474), 3474 states have call successors, (3474) [2022-07-14 01:32:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12909 states to 12909 states and 18347 transitions. [2022-07-14 01:32:06,202 INFO L78 Accepts]: Start accepts. Automaton has 12909 states and 18347 transitions. Word has length 257 [2022-07-14 01:32:06,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:32:06,203 INFO L495 AbstractCegarLoop]: Abstraction has 12909 states and 18347 transitions. [2022-07-14 01:32:06,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 01:32:06,203 INFO L276 IsEmpty]: Start isEmpty. Operand 12909 states and 18347 transitions. [2022-07-14 01:32:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-14 01:32:06,206 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:32:06,206 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:32:06,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 01:32:06,207 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:32:06,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:32:06,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1341581725, now seen corresponding path program 1 times [2022-07-14 01:32:06,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:32:06,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743962080] [2022-07-14 01:32:06,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:32:06,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:32:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:32:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:32:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:32:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:32:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:32:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:32:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:32:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:32:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:32:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:32:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:32:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:32:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:32:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:32:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:32:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:32:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:32:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-14 01:32:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:32:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:32:07,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:32:07,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743962080] [2022-07-14 01:32:07,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743962080] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:32:07,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:32:07,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:32:07,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679402867] [2022-07-14 01:32:07,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:32:07,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:32:07,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:32:07,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:32:07,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:32:07,438 INFO L87 Difference]: Start difference. First operand 12909 states and 18347 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-14 01:32:09,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:32:11,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:32:25,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:32:26,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:32:51,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:32:51,490 INFO L93 Difference]: Finished difference Result 42016 states and 61240 transitions. [2022-07-14 01:32:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:32:51,491 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 264 [2022-07-14 01:32:51,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:32:51,766 INFO L225 Difference]: With dead ends: 42016 [2022-07-14 01:32:51,767 INFO L226 Difference]: Without dead ends: 29150 [2022-07-14 01:32:51,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:32:51,858 INFO L413 NwaCegarLoop]: 5385 mSDtfsCounter, 8555 mSDsluCounter, 9148 mSDsCounter, 0 mSdLazyCounter, 5110 mSolverCounterSat, 5356 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8949 SdHoareTripleChecker+Valid, 14533 SdHoareTripleChecker+Invalid, 10469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5356 IncrementalHoareTripleChecker+Valid, 5110 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:32:51,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8949 Valid, 14533 Invalid, 10469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5356 Valid, 5110 Invalid, 3 Unknown, 0 Unchecked, 42.2s Time] [2022-07-14 01:32:51,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29150 states. [2022-07-14 01:32:52,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29150 to 23866. [2022-07-14 01:32:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23866 states, 16142 states have (on average 1.2978565233552224) internal successors, (20950), 16546 states have internal predecessors, (20950), 6444 states have call successors, (6444), 1280 states have call predecessors, (6444), 1279 states have return successors, (6437), 6329 states have call predecessors, (6437), 6437 states have call successors, (6437) [2022-07-14 01:32:52,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23866 states to 23866 states and 33831 transitions. [2022-07-14 01:32:52,967 INFO L78 Accepts]: Start accepts. Automaton has 23866 states and 33831 transitions. Word has length 264 [2022-07-14 01:32:52,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:32:52,968 INFO L495 AbstractCegarLoop]: Abstraction has 23866 states and 33831 transitions. [2022-07-14 01:32:52,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-14 01:32:52,968 INFO L276 IsEmpty]: Start isEmpty. Operand 23866 states and 33831 transitions. [2022-07-14 01:32:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-14 01:32:52,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:32:52,972 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:32:52,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 01:32:52,972 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:32:52,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:32:52,973 INFO L85 PathProgramCache]: Analyzing trace with hash -455166264, now seen corresponding path program 1 times [2022-07-14 01:32:52,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:32:52,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6243172] [2022-07-14 01:32:52,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:32:52,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:32:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:32:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:32:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:32:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:32:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:32:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:32:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:32:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:32:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:32:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:32:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:32:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:53,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:32:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:32:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:32:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:32:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:32:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:32:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:32:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:32:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-14 01:32:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-14 01:32:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:32:54,134 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:32:54,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:32:54,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6243172] [2022-07-14 01:32:54,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6243172] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:32:54,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:32:54,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:32:54,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706796937] [2022-07-14 01:32:54,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:32:54,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:32:54,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:32:54,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:32:54,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:32:54,136 INFO L87 Difference]: Start difference. First operand 23866 states and 33831 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-14 01:32:56,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:33:10,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []