./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.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 cac198808750b06b4323badfd457155abf5b06080e3172b359793331e4f6845f --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:41:59,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:41:59,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:41:59,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:41:59,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:41:59,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:41:59,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:41:59,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:41:59,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:41:59,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:41:59,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:41:59,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:41:59,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:41:59,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:41:59,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:41:59,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:41:59,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:41:59,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:41:59,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:41:59,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:41:59,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:41:59,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:41:59,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:41:59,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:41:59,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:41:59,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:41:59,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:41:59,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:41:59,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:41:59,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:41:59,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:41:59,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:41:59,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:41:59,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:41:59,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:41:59,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:41:59,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:41:59,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:41:59,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:41:59,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:41:59,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:41:59,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:41:59,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:41:59,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:41:59,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:41:59,681 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:41:59,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:41:59,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:41:59,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:41:59,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:41:59,683 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:41:59,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:41:59,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:41:59,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:41:59,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:41:59,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:41:59,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:41:59,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:41:59,685 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:41:59,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:41:59,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:41:59,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:41:59,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:41:59,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:41:59,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:41:59,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:41:59,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:41:59,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:41:59,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:41:59,688 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:41:59,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:41:59,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:41:59,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:41:59,688 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cac198808750b06b4323badfd457155abf5b06080e3172b359793331e4f6845f [2021-12-14 18:41:59,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:41:59,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:41:59,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:41:59,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:41:59,977 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:41:59,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i [2021-12-14 18:42:00,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98dd4554/c066ffa44d7c4c01b9f83ef10d629e82/FLAG64cecb5fc [2021-12-14 18:42:00,884 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:42:00,885 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i [2021-12-14 18:42:00,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98dd4554/c066ffa44d7c4c01b9f83ef10d629e82/FLAG64cecb5fc [2021-12-14 18:42:01,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98dd4554/c066ffa44d7c4c01b9f83ef10d629e82 [2021-12-14 18:42:01,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:42:01,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:42:01,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:42:01,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:42:01,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:42:01,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:42:01" (1/1) ... [2021-12-14 18:42:01,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d54ff4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:01, skipping insertion in model container [2021-12-14 18:42:01,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:42:01" (1/1) ... [2021-12-14 18:42:01,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:42:01,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:42:03,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314606,314619] [2021-12-14 18:42:03,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314753,314766] [2021-12-14 18:42:03,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314892,314905] [2021-12-14 18:42:03,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[315050,315063] [2021-12-14 18:42:04,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:42:04,064 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:42:04,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314606,314619] [2021-12-14 18:42:04,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314753,314766] [2021-12-14 18:42:04,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314892,314905] [2021-12-14 18:42:04,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[315050,315063] [2021-12-14 18:42:04,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:42:04,600 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:42:04,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04 WrapperNode [2021-12-14 18:42:04,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:42:04,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:42:04,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:42:04,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:42:04,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (1/1) ... [2021-12-14 18:42:04,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (1/1) ... [2021-12-14 18:42:04,919 INFO L137 Inliner]: procedures = 351, calls = 2103, calls flagged for inlining = 195, calls inlined = 189, statements flattened = 5021 [2021-12-14 18:42:04,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:42:04,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:42:04,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:42:04,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:42:04,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (1/1) ... [2021-12-14 18:42:04,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (1/1) ... [2021-12-14 18:42:04,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (1/1) ... [2021-12-14 18:42:04,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (1/1) ... [2021-12-14 18:42:05,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (1/1) ... [2021-12-14 18:42:05,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (1/1) ... [2021-12-14 18:42:05,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (1/1) ... [2021-12-14 18:42:05,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:42:05,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:42:05,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:42:05,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:42:05,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (1/1) ... [2021-12-14 18:42:05,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:42:05,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:42:05,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:42:05,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:42:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2021-12-14 18:42:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2021-12-14 18:42:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-14 18:42:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-14 18:42:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:42:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:42:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:42:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:42:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:42:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:42:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_exit [2021-12-14 18:42:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_exit [2021-12-14 18:42:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:42:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:42:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2021-12-14 18:42:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2021-12-14 18:42:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:42:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:42:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:42:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:42:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-14 18:42:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-14 18:42:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2021-12-14 18:42:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2021-12-14 18:42:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2021-12-14 18:42:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2021-12-14 18:42:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:42:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:42:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2021-12-14 18:42:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2021-12-14 18:42:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:42:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:42:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:42:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:42:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2021-12-14 18:42:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2021-12-14 18:42:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:42:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:42:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-14 18:42:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-14 18:42:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:42:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:42:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2021-12-14 18:42:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2021-12-14 18:42:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:42:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2021-12-14 18:42:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2021-12-14 18:42:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:42:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:42:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_29 [2021-12-14 18:42:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_29 [2021-12-14 18:42:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:42:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:42:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:42:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:42:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:42:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:42:05,262 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:42:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:42:05,262 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:42:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:42:05,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:42:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_cleanup [2021-12-14 18:42:05,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_cleanup [2021-12-14 18:42:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:42:05,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:42:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:42:05,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:42:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:42:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:42:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2021-12-14 18:42:05,264 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2021-12-14 18:42:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 18:42:05,264 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 18:42:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2021-12-14 18:42:05,265 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2021-12-14 18:42:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-14 18:42:05,265 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-14 18:42:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:42:05,265 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:42:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-14 18:42:05,265 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-14 18:42:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:42:05,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:42:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:42:05,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:42:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-14 18:42:05,267 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-14 18:42:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2021-12-14 18:42:05,268 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2021-12-14 18:42:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2021-12-14 18:42:05,268 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2021-12-14 18:42:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2021-12-14 18:42:05,268 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2021-12-14 18:42:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:42:05,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:42:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2021-12-14 18:42:05,269 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2021-12-14 18:42:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-14 18:42:05,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-14 18:42:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2021-12-14 18:42:05,269 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2021-12-14 18:42:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2021-12-14 18:42:05,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2021-12-14 18:42:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2021-12-14 18:42:05,270 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2021-12-14 18:42:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:42:05,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:42:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:42:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:42:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:42:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:42:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:42:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:42:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:42:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:42:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:42:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:42:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:42:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:42:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:42:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2021-12-14 18:42:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2021-12-14 18:42:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2021-12-14 18:42:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2021-12-14 18:42:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2021-12-14 18:42:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2021-12-14 18:42:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-14 18:42:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-14 18:42:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2021-12-14 18:42:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2021-12-14 18:42:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2021-12-14 18:42:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2021-12-14 18:42:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:42:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:42:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:42:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:42:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:42:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2021-12-14 18:42:05,284 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2021-12-14 18:42:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2021-12-14 18:42:05,284 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2021-12-14 18:42:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2021-12-14 18:42:05,284 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2021-12-14 18:42:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:42:05,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:42:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2021-12-14 18:42:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2021-12-14 18:42:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2021-12-14 18:42:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2021-12-14 18:42:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:42:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-12-14 18:42:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-12-14 18:42:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-12-14 18:42:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-12-14 18:42:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:42:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:42:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2021-12-14 18:42:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2021-12-14 18:42:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 18:42:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 18:42:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:42:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2021-12-14 18:42:05,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2021-12-14 18:42:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:42:05,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:42:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:42:05,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:42:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:42:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:42:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:42:05,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:42:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2021-12-14 18:42:05,288 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2021-12-14 18:42:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2021-12-14 18:42:05,288 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2021-12-14 18:42:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2021-12-14 18:42:05,289 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2021-12-14 18:42:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:42:05,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:42:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2021-12-14 18:42:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2021-12-14 18:42:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:42:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:42:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:42:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:42:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2021-12-14 18:42:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2021-12-14 18:42:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:42:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:42:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-14 18:42:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-14 18:42:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-14 18:42:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-14 18:42:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-14 18:42:05,292 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-14 18:42:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2021-12-14 18:42:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2021-12-14 18:42:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:42:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-14 18:42:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2021-12-14 18:42:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2021-12-14 18:42:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-14 18:42:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-14 18:42:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:42:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:42:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 18:42:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 18:42:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_detect [2021-12-14 18:42:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_detect [2021-12-14 18:42:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:42:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:42:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-14 18:42:05,335 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-14 18:42:06,083 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:42:06,102 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:42:06,852 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:42:09,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6908: assume 0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616; [2021-12-14 18:42:09,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6908: assume !(0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616); [2021-12-14 18:42:09,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret338#1;havoc tlan_eisa_probe_#t~ret338#1; [2021-12-14 18:42:09,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: SUMMARY for call tlan_eisa_probe_#t~ret338#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:42:09,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6980: SUMMARY for call tlan_eisa_probe_#t~ret343#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2021-12-14 18:42:09,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6917: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6987: assume -2147483648 <= tlan_eisa_probe_#t~ret343#1 && tlan_eisa_probe_#t~ret343#1 <= 2147483647;tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret343#1;havoc tlan_eisa_probe_#t~ret343#1; [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret339#1;havoc tlan_eisa_probe_#t~ret339#1; [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: SUMMARY for call tlan_eisa_probe_#t~ret339#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6999-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6933-1: tlan_eisa_probe_~tmp___3~2#1 := tlan_eisa_probe_#t~ret340#1;havoc tlan_eisa_probe_#t~ret340#1; [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6933: SUMMARY for call tlan_eisa_probe_#t~ret340#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: assume 1 != tlan_eisa_probe_~tmp___3~2#1 % 256 % 4294967296; [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: assume !(1 != tlan_eisa_probe_~tmp___3~2#1 % 256 % 4294967296); [2021-12-14 18:42:09,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937-1: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet345#1; [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937-1: assume !(16 == ~debug~0); [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet341#1; [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942: assume !(16 == ~debug~0); [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7008: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7008: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942-2: SUMMARY for call tlan_eisa_probe_#t~ret342#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7010: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7010: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret342#1;havoc tlan_eisa_probe_#t~ret342#1; [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-1: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: SUMMARY for call tlan_eisa_probe_#t~ret332#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:42:09,579 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume !(16 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret332#1;havoc tlan_eisa_probe_#t~ret332#1;havoc tlan_eisa_probe_#t~nondet333#1; [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6953: tlan_eisa_probe_~irq~0#1 := 5; [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume !(32 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-1: assume 0 != ~bitwiseAnd(~debug~0, 16);havoc tlan_eisa_probe_#t~nondet336#1; [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6957: tlan_eisa_probe_~irq~0#1 := 9; [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6893-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~nondet335#1; [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6893: SUMMARY for call tlan_eisa_probe_#t~ret334#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960: assume 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960: assume !(64 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6961: tlan_eisa_probe_~irq~0#1 := 10; [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: assume 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-14 18:42:09,580 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: assume !(128 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-14 18:42:09,581 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: call tlan_eisa_probe_#t~ret337#1.base, tlan_eisa_probe_#t~ret337#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret337#1.base, tlan_eisa_probe_#t~ret337#1.offset;havoc tlan_eisa_probe_#t~ret337#1.base, tlan_eisa_probe_#t~ret337#1.offset; [2021-12-14 18:42:09,581 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:42:09,581 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6965: tlan_eisa_probe_~irq~0#1 := 11; [2021-12-14 18:42:09,581 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6968: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet344#1; [2021-12-14 18:42:09,581 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6968: assume !(16 == ~debug~0); [2021-12-14 18:42:09,670 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:42:09,693 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:42:09,693 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:42:09,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:42:09 BoogieIcfgContainer [2021-12-14 18:42:09,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:42:09,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:42:09,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:42:09,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:42:09,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:42:01" (1/3) ... [2021-12-14 18:42:09,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9beb30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:42:09, skipping insertion in model container [2021-12-14 18:42:09,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:04" (2/3) ... [2021-12-14 18:42:09,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9beb30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:42:09, skipping insertion in model container [2021-12-14 18:42:09,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:42:09" (3/3) ... [2021-12-14 18:42:09,705 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i [2021-12-14 18:42:09,712 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:42:09,712 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-14 18:42:09,774 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:42:09,788 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:42:09,789 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-14 18:42:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 2073 states, 1372 states have (on average 1.2653061224489797) internal successors, (1736), 1415 states have internal predecessors, (1736), 600 states have call successors, (600), 100 states have call predecessors, (600), 99 states have return successors, (595), 581 states have call predecessors, (595), 595 states have call successors, (595) [2021-12-14 18:42:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-14 18:42:09,856 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:42:09,857 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:42:09,857 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:42:09,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:42:09,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2008765258, now seen corresponding path program 1 times [2021-12-14 18:42:09,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:42:09,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750153361] [2021-12-14 18:42:09,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:42:09,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:42:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:42:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:42:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:42:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:42:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:42:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:42:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:42:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:42:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 18:42:10,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:42:10,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750153361] [2021-12-14 18:42:10,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750153361] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:42:10,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:42:10,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:42:10,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601321267] [2021-12-14 18:42:10,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:42:10,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:42:10,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:42:10,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:42:10,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:42:10,733 INFO L87 Difference]: Start difference. First operand has 2073 states, 1372 states have (on average 1.2653061224489797) internal successors, (1736), 1415 states have internal predecessors, (1736), 600 states have call successors, (600), 100 states have call predecessors, (600), 99 states have return successors, (595), 581 states have call predecessors, (595), 595 states have call successors, (595) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-14 18:42:20,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:42:20,491 INFO L93 Difference]: Finished difference Result 6778 states and 10975 transitions. [2021-12-14 18:42:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:42:20,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 89 [2021-12-14 18:42:20,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:42:20,563 INFO L225 Difference]: With dead ends: 6778 [2021-12-14 18:42:20,564 INFO L226 Difference]: Without dead ends: 4711 [2021-12-14 18:42:20,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:42:20,598 INFO L933 BasicCegarLoop]: 3364 mSDtfsCounter, 4142 mSDsluCounter, 3837 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 2444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4588 SdHoareTripleChecker+Valid, 7201 SdHoareTripleChecker+Invalid, 4793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2444 IncrementalHoareTripleChecker+Valid, 2349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:42:20,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4588 Valid, 7201 Invalid, 4793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2444 Valid, 2349 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2021-12-14 18:42:20,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4711 states. [2021-12-14 18:42:20,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4711 to 4043. [2021-12-14 18:42:20,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4043 states, 2676 states have (on average 1.257473841554559) internal successors, (3365), 2760 states have internal predecessors, (3365), 1169 states have call successors, (1169), 197 states have call predecessors, (1169), 196 states have return successors, (1167), 1139 states have call predecessors, (1167), 1167 states have call successors, (1167) [2021-12-14 18:42:20,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4043 states to 4043 states and 5701 transitions. [2021-12-14 18:42:21,004 INFO L78 Accepts]: Start accepts. Automaton has 4043 states and 5701 transitions. Word has length 89 [2021-12-14 18:42:21,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:42:21,006 INFO L470 AbstractCegarLoop]: Abstraction has 4043 states and 5701 transitions. [2021-12-14 18:42:21,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-14 18:42:21,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4043 states and 5701 transitions. [2021-12-14 18:42:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-14 18:42:21,019 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:42:21,019 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:42:21,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:42:21,020 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:42:21,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:42:21,025 INFO L85 PathProgramCache]: Analyzing trace with hash 324861074, now seen corresponding path program 1 times [2021-12-14 18:42:21,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:42:21,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939924434] [2021-12-14 18:42:21,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:42:21,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:42:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:42:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:42:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:42:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:42:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:42:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:42:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:42:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 18:42:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:42:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 18:42:21,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:42:21,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939924434] [2021-12-14 18:42:21,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939924434] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:42:21,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:42:21,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:42:21,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711973722] [2021-12-14 18:42:21,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:42:21,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:42:21,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:42:21,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:42:21,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:42:21,411 INFO L87 Difference]: Start difference. First operand 4043 states and 5701 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-12-14 18:42:32,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:42:32,422 INFO L93 Difference]: Finished difference Result 9732 states and 14338 transitions. [2021-12-14 18:42:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:42:32,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 115 [2021-12-14 18:42:32,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:42:32,474 INFO L225 Difference]: With dead ends: 9732 [2021-12-14 18:42:32,474 INFO L226 Difference]: Without dead ends: 5706 [2021-12-14 18:42:32,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:42:32,498 INFO L933 BasicCegarLoop]: 2875 mSDtfsCounter, 4809 mSDsluCounter, 2217 mSDsCounter, 0 mSdLazyCounter, 3215 mSolverCounterSat, 3485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5145 SdHoareTripleChecker+Valid, 5092 SdHoareTripleChecker+Invalid, 6700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3485 IncrementalHoareTripleChecker+Valid, 3215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:42:32,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5145 Valid, 5092 Invalid, 6700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3485 Valid, 3215 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2021-12-14 18:42:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5706 states. [2021-12-14 18:42:32,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5706 to 4731. [2021-12-14 18:42:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4731 states, 3179 states have (on average 1.2510223340673168) internal successors, (3977), 3286 states have internal predecessors, (3977), 1301 states have call successors, (1301), 264 states have call predecessors, (1301), 249 states have return successors, (1316), 1240 states have call predecessors, (1316), 1299 states have call successors, (1316) [2021-12-14 18:42:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4731 states to 4731 states and 6594 transitions. [2021-12-14 18:42:32,846 INFO L78 Accepts]: Start accepts. Automaton has 4731 states and 6594 transitions. Word has length 115 [2021-12-14 18:42:32,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:42:32,848 INFO L470 AbstractCegarLoop]: Abstraction has 4731 states and 6594 transitions. [2021-12-14 18:42:32,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-12-14 18:42:32,848 INFO L276 IsEmpty]: Start isEmpty. Operand 4731 states and 6594 transitions. [2021-12-14 18:42:32,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-14 18:42:32,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:42:32,859 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:42:32,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:42:32,859 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:42:32,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:42:32,860 INFO L85 PathProgramCache]: Analyzing trace with hash 132311183, now seen corresponding path program 1 times [2021-12-14 18:42:32,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:42:32,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430812977] [2021-12-14 18:42:32,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:42:32,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:42:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:42:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:42:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:42:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:42:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:42:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:42:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:42:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 18:42:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-14 18:42:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 18:42:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:42:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-14 18:42:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-14 18:42:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-14 18:42:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-12-14 18:42:33,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:42:33,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430812977] [2021-12-14 18:42:33,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430812977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:42:33,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:42:33,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:42:33,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656110974] [2021-12-14 18:42:33,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:42:33,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:42:33,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:42:33,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:42:33,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:42:33,202 INFO L87 Difference]: Start difference. First operand 4731 states and 6594 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:42:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:42:39,986 INFO L93 Difference]: Finished difference Result 12089 states and 17768 transitions. [2021-12-14 18:42:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:42:39,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 145 [2021-12-14 18:42:39,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:42:40,081 INFO L225 Difference]: With dead ends: 12089 [2021-12-14 18:42:40,082 INFO L226 Difference]: Without dead ends: 8831 [2021-12-14 18:42:40,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:42:40,107 INFO L933 BasicCegarLoop]: 4835 mSDtfsCounter, 3504 mSDsluCounter, 4535 mSDsCounter, 0 mSdLazyCounter, 2361 mSolverCounterSat, 1964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3950 SdHoareTripleChecker+Valid, 9370 SdHoareTripleChecker+Invalid, 4325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1964 IncrementalHoareTripleChecker+Valid, 2361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:42:40,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3950 Valid, 9370 Invalid, 4325 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1964 Valid, 2361 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-12-14 18:42:40,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8831 states. [2021-12-14 18:42:40,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8831 to 7853. [2021-12-14 18:42:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7853 states, 5280 states have (on average 1.2505681818181817) internal successors, (6603), 5460 states have internal predecessors, (6603), 2157 states have call successors, (2157), 442 states have call predecessors, (2157), 414 states have return successors, (2189), 2050 states have call predecessors, (2189), 2155 states have call successors, (2189) [2021-12-14 18:42:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7853 states to 7853 states and 10949 transitions. [2021-12-14 18:42:40,820 INFO L78 Accepts]: Start accepts. Automaton has 7853 states and 10949 transitions. Word has length 145 [2021-12-14 18:42:40,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:42:40,822 INFO L470 AbstractCegarLoop]: Abstraction has 7853 states and 10949 transitions. [2021-12-14 18:42:40,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:42:40,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7853 states and 10949 transitions. [2021-12-14 18:42:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-14 18:42:40,827 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:42:40,828 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:42:40,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:42:40,828 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:42:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:42:40,829 INFO L85 PathProgramCache]: Analyzing trace with hash -685337267, now seen corresponding path program 1 times [2021-12-14 18:42:40,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:42:40,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870771088] [2021-12-14 18:42:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:42:40,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:42:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:42:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:42:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:42:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:42:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:42:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:42:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:42:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 18:42:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-14 18:42:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 18:42:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:42:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-14 18:42:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-14 18:42:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-14 18:42:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-12-14 18:42:41,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:42:41,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870771088] [2021-12-14 18:42:41,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870771088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:42:41,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:42:41,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:42:41,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101241916] [2021-12-14 18:42:41,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:42:41,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:42:41,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:42:41,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:42:41,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:42:41,201 INFO L87 Difference]: Start difference. First operand 7853 states and 10949 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 18:42:45,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:42:45,224 INFO L93 Difference]: Finished difference Result 8825 states and 13230 transitions. [2021-12-14 18:42:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:42:45,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 145 [2021-12-14 18:42:45,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:42:45,292 INFO L225 Difference]: With dead ends: 8825 [2021-12-14 18:42:45,292 INFO L226 Difference]: Without dead ends: 8139 [2021-12-14 18:42:45,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:42:45,312 INFO L933 BasicCegarLoop]: 2790 mSDtfsCounter, 3392 mSDsluCounter, 3706 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 1623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3684 SdHoareTripleChecker+Valid, 6496 SdHoareTripleChecker+Invalid, 3169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1623 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:42:45,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3684 Valid, 6496 Invalid, 3169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1623 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-14 18:42:45,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8139 states. [2021-12-14 18:42:45,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8139 to 7158. [2021-12-14 18:42:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7158 states, 4780 states have (on average 1.238284518828452) internal successors, (5919), 4929 states have internal predecessors, (5919), 1975 states have call successors, (1975), 427 states have call predecessors, (1975), 402 states have return successors, (1997), 1892 states have call predecessors, (1997), 1975 states have call successors, (1997) [2021-12-14 18:42:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7158 states to 7158 states and 9891 transitions. [2021-12-14 18:42:45,995 INFO L78 Accepts]: Start accepts. Automaton has 7158 states and 9891 transitions. Word has length 145 [2021-12-14 18:42:45,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:42:45,997 INFO L470 AbstractCegarLoop]: Abstraction has 7158 states and 9891 transitions. [2021-12-14 18:42:45,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 18:42:45,997 INFO L276 IsEmpty]: Start isEmpty. Operand 7158 states and 9891 transitions. [2021-12-14 18:42:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-14 18:42:46,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:42:46,011 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:42:46,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:42:46,011 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:42:46,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:42:46,012 INFO L85 PathProgramCache]: Analyzing trace with hash 111027983, now seen corresponding path program 1 times [2021-12-14 18:42:46,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:42:46,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344268161] [2021-12-14 18:42:46,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:42:46,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:42:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:42:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:42:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:42:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:42:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:42:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:42:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:42:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 18:42:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-14 18:42:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 18:42:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:42:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:42:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:42:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-14 18:42:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:42:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-14 18:42:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-14 18:42:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:42:46,381 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-12-14 18:42:46,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:42:46,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344268161] [2021-12-14 18:42:46,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344268161] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:42:46,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:42:46,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:42:46,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105748419] [2021-12-14 18:42:46,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:42:46,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:42:46,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:42:46,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:42:46,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:42:46,384 INFO L87 Difference]: Start difference. First operand 7158 states and 9891 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)